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Pennsylvania Railroad, "The Standard Railroad Of The World"

Last revised: November 6, 2024

By: Adam Burns

The illustrious Pennsylvania Railroad was an institutional icon for more than a century.  Its many years of success achieved it an impeccable credit rating and vaunted status on Wall Street, which aided the future Penn Central's ability to continue securing loans in the face of a doomed destiny.  

The history of the PRR could fill libraries ranging from its corporate heritage to its different business sectors.  In short, the company's scope is far too broad to cover in detail here.  The Pennsy was born through a need by the state of Pennsylvania to maintain a competitive edge.  

It was clear by the 1840s railroads were the future of transportation and the PRR was created as a result.  It constructed a well-engineered route from Harrisburg to Pittsburgh and then expanded largely through acquisition.  

At its peak the PRR operated thousands of miles, served millions of travelers, and is widely regarded as the greatest of all American railroads.  

Sadly, history will remember it as also creating the ill-fated Penn Central Transportation Company.  Today, many of the PRR's key routes carry on under Amtrak and Norfolk Southern.

293752735858723823895872325923689347098.jpgIn this striking Electro-Motive photo, recently completed Pennsylvania F7's, led by #9690-A, bask in sun during April of 1949. The structure running the roof line on the A units is Pennsy's trademark, "Trainphone" system, an early type of radio. Author's collection.

History

Unlike the other major eastern trunk lines the Pennsylvania Railroad got off to a relatively late start.  The Baltimore & Ohio, Erie, and New York Central could all trace their corporate heritage back to the 1820s and early 1830s.  

The PRR was not formed until a decade later.  According to Mike Schafer and Brian Solomon's book, "Pennsylvania Railroad," on March 19, 1846 the Pennsylvania state House passed a bill to organize the Pennsylvania Railroad while their counterparts in the Senate did so on March 26th.  

Finally, on April 13th Governor Francis R. Shunk signed into law the charter for the Pennsylvania Railroad, authorizing the new company to construct a rail line from the state capital at Harrisburg to Pittsburgh.  

The state's delay in organizing its own railroad began years earlier when many believed canals were the future in transportation.  

On October 26, 1825 New York's heralded Erie Canal had opened for service, Virginia's Chesapeake & Ohio Canal followed a few years later, and numerous other similar projects were either under construction or in the planning process.

At A Glance

Headquarters
PRR Office Building, 3161 Market Street (Philadelphia, Pennsylvania)
States Served
New York, New Jersey, Maryland, Virginia, Pennsylvania, Virginia, West Virginia, Ohio, Michigan, Indiana, Kentucky (Louisville), Illinois, Missouri (St. Louis)
Dates Of Operation
1849 - January 31, 1968
Track Gauge
4 Feet, 8 ½ Inches
Founder
Pennsylvania State Legislature
First President
Samuel Vaughan Merrick
First Chief Engineer
John Edgar Thomson
Charter Date
April 13, 1846
Route Miles

10,000 (1950)

9,756 (1962)

Locomotives Owned (1963)

Diesels: 2,402

Electric: 254

Rolling Stock (1963)

Freight Cars: 139,356

Passenger Cars: 3,546

Most Notable President
Alexander Johnston Cassatt
Slogan
Standard Railroad Of The World
Reporting Mark
PRR
Successor
Penn Central Transportation Company

The fledgling United States in 1830 comprise only a few dozen states while the original thirteen contained the largest commercial and port centers such as Charleston, Wilmington, Baltimore, Philadelphia, New York, and Boston. 

These cities fiercely competed with one another in an attempt to establish themselves as the preeminent eastern port.  Naturally, maintaining an efficient inland transportation system was also important in opening trade to the North American interior.  

As canal fever caught hold many of these major cities, and their home states, studied the possibility of constructing their own waterway.  

This included Pennsylvania and the legislature authorized construction of a canal (officially known as the Pennsylvania Canal) on February 25, 1826 linking Harrisburg with Pittsburgh, running nearly the entire length of the state.  A few years later plans extended its eastern connection to Philadelphia. 

In an interesting design, engineers came up with a system that utilized both waterways and early, interlinking railroads which were collectively known as the Main Line of Public Works.  

It was a somewhat profitable venture although by the time it got underway railroads, faster with an ability to operate in all types of weather, were already under construction.

The Delaware & Hudson Canal Company opened an early gravity railroad as part of its canal system to move anthracite coal in 1829 while the Baltimore & Ohio operated its first train in 1830 and was pushing west towards the Ohio River.  

In addition, the Mohawk & Hudson inaugurated 16 miles between Albany and Schenectady on August 9, 1831 and the New York & Erie (predecessor to the Erie) officially began construction in 1836, completing about 40 miles from Piermont to Goshen, New York in September of 1841.  

The B&O was most worrying as state and business leaders feared it could propel Baltimore past Philadelphia as the region's top port.  The legislature hurriedly chartered the Pennsylvania Railroad on April 13, 1846 and work began quickly to construct an all-rail corridor across the state.  

The Pennsylvania Railroad logo in classic Tuscan Red. Author's work.
The Pennsylvania Railroad logo. Author's work.

The company's first engineer was John E. Thomson who conceived an excellent route maintaining moderately gentle grades following the Susquehanna and Juniata Rivers before reaching what later became Altoona, a major maintenance and terminal facility.  

The railroad then struck out for Pittsburgh, connecting such towns as Gallitzin and Johnstown, while its fabled Horseshoe Curve was built just west of Altoona.  Officially, construction of the PRR commenced in 1847 at Harrisburg and by 1849 had reached Lewistown.  A year later it opened to Duncansville, near Altoona.  

At the same time work was commencing east of Pittsburgh and finished to Cresson in late 1852, completing the original charter.  The first train running from the Steel City to Philadelphia did so on December 10, 1852.  

The ability to reach the latter city came via the PRR's acquisition of the Harrisburg, Portsmouth, Mount Joy & Lancaster Railroad (1848) while utilizing the Maine Line of Public Works' Philadelphia & Columbia to Columbia.  From there the HPMtJ&L continued westward to the PRR's eastern terminus at Harrisburg.  

A 1960s postcard featuring one of the Pennsylvania's famous GG-1 electrics. Normally used on passenger assignments they were also powerful enough to handle freight duties. Author's collection.

Direct rail service across the state was now established although much work remained to make the PRR a superior railroad. In 1851 it began construction of a new and improved crossing of the Allegheny summit via the appropriately-named Mountain Division.  

The most notable engineering achievement along this roughly 40-mile stretch was Horseshoe Curve, another noteworthy accomplishment of Mr. Thomson.  With its completion and opening on February 15, 1854 the PRR flourished.

The state came to realize that, much like New York's Erie Canal, its Main Line of Public Works could not compete against the iron horse.  As a result it sold the project to the private PRR in 1857, which used the eastern segments to offer a wholly-owned route across its home state.  

At around the same time the PRR was already looking beyond Pittsburgh with an eye towards Chicago and St. Louis.  In a similar case of Vanderbilt's New York Central multiple leases, acquisitions, and new construction were all happening almost simultaneously as the Pennsy blossomed during the latter 19th century.

System Map (1930)

Expansion

Its two most important Midwestern acquisitions included the Pittsburgh, Fort Wayne & Chicago Rail Road (PFtW&C) and Pittsburgh, Cincinnati & St. Louis Railway (PC&StL).  

The former carried a history tracing back to three small roads that were having little success in fulfilling their charters:

  • Ohio & Pennsylvania was created in 1848 to link Pittsburgh and Crestline, Ohio

  • Ohio & Indiana Railroad was chartered between 1850-1851 to continue westward from Crestline to Fort Wayne, Indiana

  • Finally, the Fort Wayne & Chicago was formed in 1852 to complete the link to Chicago

After a few years of sputtering construction the financially troubled trio joined to form the PFtW&C in 1856.  By this time, Thomson was president of the PRR and held sway in the newly merged company.  He helped oversee its completion into the Windy City, which occurred on January 1, 1859.  

The growing success of the PRR was becoming quite evident as it was the first major trunk line to reach Chicago; the B&O did not arrive until 1874, the New York Central in 1877 via stock control of the Lake Shore & Michigan Southern, and the Erie in 1883.

Pennsylvania Railroad RF16 "Sharks" and an F7A-F3B set are seen here lined up for service at Erie, Pennsylvania during October of 1958. William Volkmer photo.

After Chicago the PRR sought another western gateway, St. Louis.  The PC&StL was created by the Pennsy during the spring of 1868 to merge three different properties; the Pittsburgh & Steubenville, Steubenville & Indiana, and the Hollidays Cove Railroad (HCRR).  

They carried financial difficulties similar to the PFtW&C's predecessors, requiring the PRR's deeper pockets to see the project completed.  The S&I had been chartered on February 24, 1848 to connect Steubenville, Ohio along the Ohio River with the Indiana state line.

It was the first PRR acquisition of the three, acquiring stock in the road during the mid-1850s.  The P&S was chartered on March 24, 1849 and planned a line from Pittsburgh running across the northern Panhandle of Virginia (West Virginia after June 20, 1863), terminating at Steubenville.  

The Hollidays Cove was a Congressional requirement mandating that Virginia allow access to the P&S across its northern panhandle.  The state had been fighting its construction since it would compete against the already established Baltimore & Ohio, which served nearby Wheeling.

82359723572635782689289773.jpgA handsome Pennsylvania E8A, #5897-A, at St. Louis Union Station, circa 1955. Fred Byerly photo. American-Rails.com collection.

The HCRR's charter stipulated it build across the panhandle although it was ultimately only used to construct the bridge spanning the Ohio River.  Following this political hurdle and PRR's financial backing, service opened from Pittsburgh to Columbus in 1865.  

While the Pennsy had a stake in the new line it did not directly control the properties, which continued to struggle even after their completion.  

During January of 1868 the Panhandle Railway was formed to operate the route, which subsequently fell under PRR's ownership later that May when the PC&StL was formed.  

Extensions westward to Indianapolis, Cincinnati, St. Louis, and other Midwestern cities was a long list of additional subsidiaries and small systems.  

The most notable included the Little Miami Railroad (incorporated on March 11, 1836) connecting Cincinnati with Columbus and the Columbus, Chicago & Indiana Central (created in 1868 through predecessors), which opened service to Indianapolis and another link to Chicago via Logansport, Indiana.

The final push into St. Louis came by way of two additional roads, the Terre Haute & Indianapolis (TH&I) and St. Louis, Vandalia & Terre Haute (StLV&TH).  The TH&I was originally chartered as the Terre Haute & Richmond, which opened between Terre Haute and Indianapolis in 1851.  

It later changed its name during March of 1865 to better reflect the territories it served.  Through various business dealings the PRR undertook a lease of the TH&I using its StLV&TH subsidiary as early as 1868 and directly purchased it on August 18, 1893 according to the Indiana Historical Society.

The Vanadalia Line was a wholly-owned arm of the PRR, created by the company to complete its own extension into St. Louis.  

The line ran via Terre Haute, Vandalia, and Highland to East St. Louis/St. Louis, opening for service in 1870.  The Pennsy's expansion across the Midwest was thanks largely, again, to Thomson who was arguably the company's most influential president.  

Thomson wanted the PRR to own, not lease, its properties which gave it more control and power.  Interestingly, despite the many systems comprising its St. Louis corridor the line was always known as the "Panhandle."  It remained a vital, busy route until the Conrail era.

t14610108jliryprr81110875718.jpgA rare color photograph, taken by the Baldwin Locomotive Works, featuring a new 4-4-4-4 "Duplex Drive" (T-1), #6110, at the manufacturer's plant in Eddystone, Pennsylvania (Philadelphia) during 1942. Author's collection.

Its last great extension in the Midwest was the Grand Rapids & Indiana Railroad, chartered during 1854 and 1855 to construct a line from Fort Wayne, Indiana to the northern tip of Michigan's Lower Peninsula at Mackinaw City via Grand Rapids.  

The original promoters hoped the GR&I would tap the state's rich natural resources (notably timber) while car ferry service could be provided across the Straits of Mackinac.  The railroad was not having a great deal of success and slipped into bankruptcy in 1869.  

That same year the PRR became involved and through the Continental Improvement Company completed the line to Traverse City in 1870.  During 1873 the PFtW&C acquired most of the GR&I stock, pushing rails to Petoskey in late 1873.  Finally, the final link to Mackinaw City opened on July 3, 1882.  

The GR&I was the PRR's only notable presence in Michigan aside from its extension to Detroit, which did not come until 1922 through its Pennsylvania-Detroit Railroad.  

The P-DRR, created in 1917, extended north from the PRR at Toledo (an important port town it had reached in 1879 by leasing the Northwestern Ohio Railway).

Pennsylvania 2-C-2 #4769 (P-5a) at Enola, Pennsylvania; August 22, 1962. Bill Volkmer photo. American-Rails.com collection.

Eastern Growth

Throughout the years Michigan eluded the Pennsy as a stronghold and even its Motor City presence lagged behind the New York Central and Baltimore & Ohio.  

The road, however, dominated its home state like no other and while its Midwestern extensions were taking shape it built up its presence throughout the east.

Once again, there were numerous predecessors comprising its eventual network here but four are noteworthy; its route to Buffalo, lines into the Delmarva Peninsula, service to New York, and an extension to Baltimore/Washington, D.C.  

The first effort to reach our nation's capital and the B&O's home city came by way of the Northern Central Railroad, created in 1854 through the reorganization of the Buffalo & Susquehanna.  The B&S carried a long history, dating back to 1828, and eventually opened to Harrisburg in 1851.  

Following the NCRR's creation it was completed to Sunbury in 1858 and continued to expand throughout central Pennsylvania into the early 20th century.  The PRR's earliest influence took root in 1875 and it gained full control by leasing the property in 1910. 

Pennsylvania F7A #1493 leads empties westbound at Cove, Pennsylvania, circa 1960s. American-Rails.com collection.

The Pennsy's next move was to establish its own route to the Port of New York, fast becoming the largest on the east coast.  Not surprisingly, Thomson was once more directly involved in this endeavor.  

The PRR pushed eastward beyond Philadelphia during the Civil War by acquiring the Philadelphia & Trenton and United Canal & Railroad Companies through lease in 1871.  

The UC&RC comprised several smaller systems (Camden & Amboy, New Jersey Railroad, Belvidere-Delaware Rail Road, West Jersey Railroad, Cape May & Millville, and Delaware & Raritan Canal Company) which offered through service as far as Jersey City, New Jersey.

Along the waterfront the PRR opened the massive Exchange Place Terminal with ferry service provided across the Hudson into downtown Manhattan.  It was one of several facilities that sprang up along the waterfront between Edgewater and Jersey City.  

Collectively, the above-mentioned lines became the northern end of PRR's Northeast Corridor (NEC), a route that blossomed into a four-track high-speed thoroughfare handling dozens of freight and passenger trains every day.

Pennsylvania GG-1's #4925 and #4886 hustle westbound through Paoli, Pennsylvania on their way to Harrisburg with what appears to be a long mail/express train just after the Penn Central merger in February of 1968. Don Sims photo.

The southern end of the NEC was constructed by the Philadelphia, Wilmington & Baltimore Railroad.  The PW&B was chartered on April 2, 1831 as the Philadelphia and Delaware County Rail-Road Company.  It later changed its name as the Philadelphia, Wilmington & Baltimore during March of 1836.  

The road's construction commenced quickly, it opened from Baltimore to Wilmington in 1837 and was largely completed to Philadelphia by 1838.  Control for this important artery broke out with the B&O, a fight eventually won by the PRR in 1880.

Next, its sights veered southward and a connection with the Richmond, Fredericksburg & Potomac.  To do this it acquired stakes in the Baltimore & Potomac Railroad during 1867, a system chartered in 1853 with intentions of connecting Baltimore with Washington, D.C at the confluence of the Potomac and Anacostia Rivers. 

The project got underway in 1859 and was completed to Washington on July 2, 1872 while the spur to Popes Creek, Maryland opened on January 1, 1873.  The latter town was actually stipulated as the B&P's original terminus although fine engineering enabled planners to extend a branch to the capital.  

The charter had required that any branch could not exceed 20 miles from the main line; engineers got around this by locating the connection at Bowie, Maryland. 

System Map (1950)

Beyond the Northeast Corridor were the PRR's lines to the Delmarva Peninsula and across New Jersey.  The Delmarva Lines extended southward through Wilmington, down the heart of Delaware, and through Maryland's southeastern tip to Cape Charles.  

They were predominantly constructed by the New York, Philadelphia & Norfolk Railroad, which opened for service in 1884.  

The region was populated with farms, general agricultural, and seafood companies while car-ferry service from Cape Charles across the lower Chesapeake Bay provided access to the Virginian/Chesapeake & Ohio/Norfolk & Western at Norfolk/Newport News/Portsmouth.  

The New Jersey lines were a collection of properties located in the northern and southern regions of the state serving coastal communities and vacationing beaches.  

In the north was the New York & Long Branch, opened in 1875 by the Central Railroad of New Jersey to connect Perth Amboy, Long Branch, Sea Girt, and Bay Head.

In early 1882 the CNJ agreed to allow PRR use of the NY&LB, which was later split in a joint-ownership partnership in 1930.  The PRR had further service in this region through subsidiary New Jersey Southern with other extensions built through the United Canal & Railroad Companies.

The southern territories were a series of branches and through routes constructed by several small roads during the mid-19th century, such as the the Camden & Atlantic and West Jersey Railroad.  

As a group, the lines connected Philadelphia and Camden, New Jersey with the resort town of Atlantic City as well as the beaches of Ocean City, Cape May, and Wildwood.  In addition, other spurs reached Bridgeton, Maurice River, and Salem.

In 1896, all properties involved became the West Jersey & Seashore Railroad, formally leased by the PRR in 1930.  In 1933 the Pennsy signed an agreement with the Reading to create the Pennsylvania-Reading Seashore Lines, a jointly-owned system which operated all of their properties here.  

The PRR's last notable expansions occurred around its home state of Pennsylvania and included the Cumberland Valley Railroad (CVRR), Philadelphia & Erie (P&E), and the Western New York & Pennsylvania (WNY&P).  

The CVRR, chartered in 1831, was acquired by the PRR just prior to the Civil War.  It had completed a route from Harrisburg to Hagerstown, Maryland in 1841 and then was later extended to Winchester, Virginia.

Pennsylvania 2-8-2 #1343 (L1) in service at Enola, Pennsylvania, circa 1952. Many of these units were built at PRR's Juniata Shops (344) with others manufactured by Baldwin (205); another 25 were produced by Lima. Fred Byerly photo. American-Rails.com collection.

The P&E was PRR's extension to Erie, Pennsylvania, first leased in 1862.  The system dated back to the Sunbury & Erie, chartered by the state in 1837 to link Sunbury (north of Harrisburg) with Erie.  

There were sections from the east and west opened through the 1850s although a large, 100+ mile central gap remained unfinished.  During 1861 the road was renamed as the Philadelphia & Erie and completed during the fall of 1864.  

Due to stiff competition from the New York Central the PRR never garnered significant traffic from the port of Erie but did handle coal, ore, and other freight.  

Finally, the WNY&P provided access to the important gateway of Buffalo where several eastern roads met including the Central.  

The system's heritage traced back to its incorporation in 1887 as a reorganization of the Buffalo, New York, and Philadelphia.  In total, the WNY&P operated more than 500 miles linking Emporium, Pennsylvania with Buffalo and Rochester, splitting at Olean, New York.  

It was never strong, financially, and acquired by the PRR in 1900.  Interestingly, the Pennsy never made any inroads into New England like the NYC.  Instead, its influence stopped at New York and it worked with the New Haven to serve the region.

2860230852735628638947803809.jpgPennsylvania GP35 #2276, U25B #2604, Cotton Belt GP35 #6509, and another Pennsy U25B at East St. Louis, Illinois, circa 1967. American-Rails.com collection.

20th Century

At the turn of the 20th century the PRR was a powerful American corporation.  The above-mentioned predecessors are only a selection of those which helped form the modern-day PRR.  It continued to modernize and upgrade its system through World War II.  

At its peak the railroad operated more than 10,000 route miles with total track miles at a staggering 28,000.  It was described by Fortune magazine as "...a nation into itself."  

In 1899, Alexander Cassatt finally achieved the presidency and set about correcting the road's last glaring weakness, entry into downtown Manhattan.  The PRR is remembered for many things and two of its most lasting achievements was iconic Pennsylvania Station and the regal, Broadway Limited.  

In 1900 it acquired the Long Island Rail Road for $6 million, part of Cassatt's long range plan to provide efficient commuter service throughout New York.  The terminal project launched in 1901.  While it would provide direct service into downtown New York it was also designed to handle extensive commuter traffic.  

The LIRR was incorporated into the station's master plan via four tunnels constructed beneath the East River to connect Long Island (two others were built under the Hudson to link Pennsy's main line at Newark, New Jersey). 

Pennsylvania Railroad E8A #5700 and E7A #5878 between assignments in Louisville, Kentucky on May 1, 1965. Note the cosmetic condition of these locomotives. By this date, the once mighty PRR was in a declining financial state. Author's collection.

The grand Pennsylvania Station opened to the public during two stages in 1910; the LIRR commenced service on September 8th while the terminal officially opened for all rail traffic on November 27th.

The flagship Broadway Limited served the hotly contested New York-Chicago corridor on a schedule of right around 16 hours.  The train differed from NYC’s 20th Century Limited, which was bedecked in a more business-like atmosphere (cool grays, blacks, and whites were featured inside and out).  

Instead, the Broadway carried soft and relaxing tones.  The Pennsylvania also had the most extensive electrified operations of any large railroad in the country at that time; most of these lines are still used today by Amtrak and regional commuter systems.  Beginning in 1915 it electrified portions of its eastern network, containing the greatest concentration of travelers.

By the late 1930s the PRR's electrification had reached as far south as Washington, D.C., westward to Harrisburg, and terminated at New York City. In all, most of its system east of Harrisburg was energized.  It was during this time, 1935, that the Pennsylvania Railroad unveiled an all time classic, the legendary GG1 electric.

Passenger Trains

"Fleet of Modernism"

"Broadway Limited"

"General"

"Cincinnati Limited"

"Pennsylvania Limited"

"Jeffersonian"

"Spirit Of St. Louis"

"Liberty Limited"

"Red Arrow"

"The American"

Admiral: (New York - Chicago)

Akronite: (New York - Pittsburgh - Akron)

Clevelander: (New York - Cleveland)

Colonial: (Boston - Washington)

Congressional: (New York - Washington)

Duquesne: (New York - Pittsburgh)

East Wind:  (Washington - Bangor, Maine)

Edison: (New York - Washington)

Gotham Limited: (New York - Chicago)

Golden Triangle: (Chicago - Pittsburgh)

Kentuckian: (Chicago - Louisville)

Manhattan Limited: (New York - Chicago)

Montrealer/Washingtonian: (Washington - New York - Montreal)

Penn Texas: (New York - St. Louis)

Pittsburgher: (New York - Pittsburgh)

Senator: (Boston - New York - Washington)

South Wind: (Chicago - Miami)

St. Louisan: (New York/Washington - St. Louis)

Trail Blazer: (New York - Chicago)

Union: (Chicago - Columbus)

2968023752362893788994089308.jpgPennsylvania GP7 #8585 is seen here with the Valparaiso Local in Chicago on August 15, 1964. Fred Byerly photo. Amercian-Rails.com collection.

Able to operate bi-directionally, cruise along effortlessly at over 100 mph, the locomotive's sleek design was the work of Raymond Loewy's firm (his company also conceived the famous “cat whisker” pinstripes, which adorned Pennsy locomotives through the 1950s).  

The "G's" owned the rails through their territory and were a common sight for nearly a half-century.  Incredibly, the motors outlived the Pennsy herself, surviving into the early Conrail era.  Despite the PRR’s enormous success, following World War II and the traffic downturn of the 1950s, its future delved into uncertainty.  

In 1946 it lost money for the first time and as the situation worsened management's attitude was one of little concern.  Nothing could happen to the mighty PRR, or so they thought...  

This narcissistic belief eventually did cause the railroad's ruin.  The Pennsy had always maintained a strict, militaristic corporate structure.  It was one of adherence and knowing one's place in the chain of command; new ideas were shunned and orders came down from higher ups. 

The final years of the Pennsylvania Railroad leading up to the Penn Central merger were quite sad as illustrated here with E8A #4272 leading this eastbound mail/express train at Canton, Ohio on August 24, 1967. Author's collection.

Postwar Decline

According to Rush Loving, Jr.'s book, "The Men Who Loved Trains," the PRR was not warmly received throughout the industry.  

He states: "The Pennsylvania and its managers were disliked almost universally among railroads.  It was so large that the Pennsy dominated rate-making policies in the East at the expense of other carriers.  

Its officers were unbearably arrogant, viewing their property as inherently superior to all other railroads."

This rate-making policy did have its drawbacks.  As Loving states elsewhere the railroad, in an effort to gain new business, sometimes set freight rates so low it lost money on movements!  This problem would plague the later Penn Central.  By the 1950s things were getting desperate.  

To alleviate the crisis, PRR began exploring the idea of a union with longtime rival New York Central in 1957.  By then, the merger movement was stirring as systems attempted to cut costs in the face of declining traffic and strict government regulations.  

The Norfolk & Western (a long-time PRR subsidiary) had acquired rival Virginian in 1959 (and purchased the Wabash and Nickel Plate a few years later); the Erie/Delaware, Lackawanna & Western merged in 1960 to form Erie Lackawanna; and Chesapeake & Ohio was eyeing the Baltimore & Ohio.  

The NYC looked long and hard for another partner but failed to woo the C&O/B&O regarding some type of union.  In the end, despite NYC's long search it eventually decided a merger with the Pennsylvania Railroad was the only option.

Diesel Roster

The PRR was not immediately sold on diesels, continuing to stick with the proven steam locomotive well into the 1940s.  The railroad was always slow to change and this stubbornness to change or adapt ultimately doomed the company when it merged with the New York Central

In their book, "Pennsylvania Railroad," authors Mike Schafer and Brian Solomon note the company's very first diesel was an Electro-Motive model SW switcher, #3908, which it acquired in June, 1937.  

This 600 horsepower engine obviously didn't sell the railroad on diesel technology, and it even avoided purchasing EMD's first main line model, the FT.  However, by the 1940s, specifically by 1947, the diesel's economies could not be ignored and the PRR began purchasing large batches from all of the major builders.

Perhaps the railroad had a change of heart or simply wanted to try everything the market had to offer.  Whatever the case, the PRR bought so many diesels it had an interesting, eclectic roster by the mid-1950s.  

In some cases the railroad simply prchased models from builders with which it had had a longstanding relationship, such as Baldwin, although the Eddystone manufacturer's products are not generally considered on par with EMD's designs.

Interestingly, when General Electric later entered the market in 1960, PRR purchased its early U-boats and Penn Central continued buying GE products into the 1970s.  The information presented here covers all of the PRR's known diesels, including original and later road numbers.

American Locomotive (Alco)

S1 

(PRR Class - AS6)

Model Original Road Number Second Road Number Serial Number Date Built
S1 5661-5668 - 77982-77983, 77992-77997 5/1950 - 6/1950
S1 5669-5670 - 77984-77985 5/1950
S1 9100-9103 - 76155, 76562-76564 2/1949 - 3/1949
S1 9237-9240 - 76565-76567, 76571 3/1949 - 4/1949
S1 9241-9246 - 76731-76736 3/1949 - 5/1949

S2

(PRR Class - AS10)

Model Original Road Number Second Road Number Serial Number Date Built
S2 5641-5643, 5646 - 77061-77063, 77491 3/1950
S2 5644-5645; 5647-5650 - 77489-77490; 77064, 77492-77494 3/1950 - 4/1950
S2 5651-5654 - 77065-77068 3/1950
S2 5655-5660 - 77444, 77447-77449, 77445-77446 3/1950 - 4/1950
S2 5926-5931 - 75916-75922 7/1948 - 8/1948, 4/1950
S2 9105-9109 - 76597-76601 2/1949
S2 9204 - 75915 7/1948
S2 9278-9287 - 76602-76611 3/1949 - 4/1949

S3

(PRR Class - AS6)

Model Original Road Number Second Road Number Serial Number Date Built
S3 8873-8874 - 78404, 78405 11/1950
S3 8875-8885 - 78506-78509, 78511-78517 11/1950 - 3/1951

S4

(PRR Class - AS10)

Model Original Road Number Second Road Number Serial Number Date Built
S4 8430-8432 - 80975-80977 1/1954
S4 8433, 8434 - 80295, 80296 1/1954, 2/1954
S4 8487-8499 - 79792-79804 5/1952 - 6/1952
S4 8886-8899 - 78683-78696 11/1950 - 12/1950
S4 8900-8901 - 78779, 78780 6/1951

T6

(PRR Class - AS10a)

Model Original Road Number Second Road Number Serial Number Date Built
T6 8424-8429 - 82857-82862 3/1958

RS1

(PRR Class - AS10am)

Model Original Road Number Second Road Number Serial Number Date Built
RS1 5619-5624 - 78106-78107, 78110-78113 6/1950 - 7/1950
RS1 5625-5628 - 78100-78103 6/1950
RS1 5629-5631 - 78114, 78116-78117 8/1950
RS1 5632-5636 - 78159-78163 8/1950
RS1 5637-5640 - 78104-78105, 78108-78109 6/1950

RS1

(PRR Class - AS10s)

Model Original Road Number Second Road Number Serial Number Date Built
RS1 5906 - 76214 12/1948

RS1

(PRR Class - AS10as)

Model Original Road Number Second Road Number Serial Number Date Built
RS1 8857-8858 - 78377, 79046 4/1951

RS1

(PRR Class - AS10ams)

Model Original Road Number Second Road Number Serial Number Date Built
RS1 8485, 8486 9914, 9915 79582-79583 5/1952

RS3

(PRR Class - AS16m)

Model Original Road Number Second Road Number Serial Number Date Built
RS3 8435-8442 5415-5416, 5437-5442 80572-80575, 80568-80571 11/1953 - 12/1953
RS3 8452-8455 5452-5455 79927-79930 6/1952
RS3 8456-8464 5456-5464 79907-79908, 79910-79913, 79915-79917 6/1952
RS3 8465-8470 5465-5470 79931-79936 6/1952
RS3 8471-8479 5571-5579 80114-80115, 79919-79920, 79922-79926 6/1952
RS3 8480-8484 5580-5584 79937-79941 6/1952
RS3 8590-8593 5450-5451, 5411, 5443 81711-81714 12/1955
RS3 8594-8603 5444-5449, 5400-5403 81795-81804 12/1955
RS3 8604, 8605 5404, 5405 81840, 81841 12/1955
RS3 8817-8836 - 79365-79384 11/1951

RS3

(PRR Class - AS16ms)

Model Original Road Number Second Road Number Serial Number Date Built
RS3 8443-8445 5567-5568 80576-80577, 80580 11/1953 - 12/1953
RS3 8837-8856 - 79395-79414 12/1951
RS3 8902-8904 - 78585, 78586, 78579 4/1951
RS3 8906-8908, 8914 - 78580-78582, 78584 4/1951 - 5/1951
RS3 8905, 8909-8913, 8915-8916 - 78587, 78583, 78588, 78590-78591, 78589, 78592-78593 4/1951 - 5/1951

RS11

(PRR Class - AS18m)

Model Original Road Number Second Road Number Serial Number Date Built
RS11 8617-8625 7617-7625 81920-81928 8/1956
RS11 8626-8635 7626-7635 82330-82339 2/1957 - 5/1957
RS11 8636-8641 7636-7641 82642-82647 11/1957
RS11 8642-8654 7642-7654 82817-82829 11/1957 - 12/1957

RSD5

(PRR Class - AS16am)

Model Original Road Number Second Road Number Serial Number Date Built
RSD5 8446-8451 6800-6805 80206-80211 10/1952 - 3/1953

RSD7

(PRR Class - APS24ms)

Model Original Road Number Second Road Number Serial Number Date Built
RSD7 8606-8610 6806-6810 81745-81749 12/1955

RSD12

(PRR Class - AS18am)

Model Original Road Number Second Road Number Serial Number Date Built
RSD12 8655-8663 6855-6863 82379-82387 12/1957 - 1/1958
RSD12 8664-8678 6864-6878 82066-82080 2/1958 - 3/1958
RDS12 8679 6879 82918 4/1958

RSD15

(PRR Class - AS24m)

Model Original Road Number Second Road Number Serial Number Date Built
RSD15 8611-8616 6811-6816 81750-81755 8/1956

FA-1

(PRR Class - AF15)

Model Original Road Number Second Road Number Serial Number Date Built
FA-1 9600A-9603A - 75987-75990 7/1948 - 8/1948
FA-1 9604A-9607A - 77010-77013 3/1950

FB-1

(PRR Class - AF15)

Model Original Road Number Second Road Number Serial Number Date Built
FB-1 9600B-9603B - 76038-76041 7/1948 - 8/1948
FB-1 9604B-9607B - 76893-76896 3/1950

FA-2

(PRR Class - AF16)

Model Original Road Number Second Road Number Serial Number Date Built
FA-2 9608A-9619A - 78640-78651 5/1951
FA-2 9620A-9631A - 79435-79446 11/1951-12/1951

FB-2

(PRR Class - AF16)

Model Original Road Number Second Road Number Serial Number Date Built
FB-2 9608B-9618B (Evens) - 78664-78669 5/1951
FB-2 9620B-9630B (Evens) - 79487-79491, 79747 11/1951 - 12/1951

PA-1/PB-1

(PRR Class - AP20)

(PRR Class - AFP20) ~ After 1952

Model Original Road Number Second Road Number Serial Number Date Built
PA-1 5750A-5754A - 74697-74701 10/1947 - 11/1947
PA-1 5755A-5759A - 75323-75327 11/1947 - 12/1947
PB-1 5750B-5758B (Evens) - 75343-75347 10/1947 - 12/1947

RS27

(PRR Class - AF24)

Model Original Road Number Second Road Number Serial Number Date Built
RS27 2400-2407 - 83607-83614 10/1962
RS27 2408-2414 - 84373-84379 10/1962

C424

(PRR Class - AF24a)

This single unit was rebuilt from RS27 demonstrator #640-1.

Model Original Road Number Second Road Number Serial Number Date Built
C424 2415 - 84558 9/1963

C424

(PRR Class - AF25)

Model Original Road Number Second Road Number Serial Number Date Built
C425 2416-2421 - 3394-1 thru 3394-6 10/1964 - 11/1964
C425 2422-2436 - 3403-1 thru 3403-15 2/1965 - 3/1965
C425 2437-2446 - 3433-1 thru 3433-10 12/1965

C628

(PRR Class - AF27)

Model Original Road Number Second Road Number Serial Number Date Built
C628 6300-6509 - 3401-01 thru 3401-10 3/1965
C628 6310-6314 - 3403-01 thru 3403-05 11/1965 - 12/1965

C630

(PRR Class - AF30a)

Model Original Road Number Second Road Number Serial Number Date Built
C630 6315-6329 - 3466-01 thru 3466-15 10/1966 - 12/1966

C636

(PRR Class - AF36) ~ Delivered in Penn Central colors.

Model Original Road Number Second Road Number Serial Number Date Built
C636 6330-6344 - 3499-01 thru 3499-15 3/1968 - 4/1968

Baldwin-Lima-Hamilton (BLH)

VO-660

(PRR Class - BS6)

Model Original Road Number Second Road Number Serial Number Date Built
VO660 5907-5909 - 64247, 64393, 64395 3/1942 - 9/1942
VO660 5932-5937 - 64401-64406 9/1942 - 10/1942
VO660 5941-5943 - 72821-72822, 78287 10/1945, 11/1945

VO-1000

(PRR Class - BS10)

Model Original Road Number Second Road Number Serial Number Date Built
VO-1000 5913-5918 - 69662-69666, 69784 9/1943 - 11/1943
VO-1000 5919-5920 - 71552, 71553 10/1945

DS-4-4-660

(PRR Class - BS6a)

Model Original Road Number Second Road Number Serial Number Date Built
DS-4-4-660 5957-5966 - 73618-73627 3/1948 - 5/1948
DS-4-4-660 9000-9008 - 73905-73913 3/1949 - 4/1949
DS-4-4-660 9009-9029 - 74236-74256 3/1949 - 5/1949
DS-4-4-660 9030-9049 - 74410-74429 5/1949
DS-4-4-660 9110-9121 - 73632-73642, 73803 7/1948 - 8/1948
DS-4-4-660 9210-9232 - 73805-73827 11/1948 - 2/1949
DS-4-4-660 9233-9236 - 73889-73892 2/1949

DS-4-4-750

(PRR Class - BS7/B27m)

Model Original Road Number Second Road Number Serial Number Date Built
DS-4-4-750 5595-5618 - 74720-74743 5/1950 - 6/1950

DS-4-4-1000

(PRR Class - BS10a)

Model Original Road Number Second Road Number Serial Number Date Built
DS-4-4-1000 5550-5552 - 74769, 74638-74639 3/1950, 2/1950
DS-4-4-1000 5553-5557 - 74641-74645 2/1950
DS-4-4-1000 5558-5565 - 74651-74658 2/1950 - 3/1950
DS-4-4-1000 5566-5570 - 74198-74202 1/1950
DS-4-4-1000 5571-5577 - 74621-74626, 74636 1/1950
DS-4-4-1000 5578-5584 - 74659-74665 4/1950
DS-4-4-1000 5585, 5586 - 74197, 74666 2/1950
DS-4-4-1000 5587-5590 - 74704-74707 2/1950
DS-4-4-1000 5968-5977 - 73586-73695 3/1948 - 4/1948
DS-4-4-1000 5978-5979* - 73603-73604 5/1948
DS-4-4-1000 9050-9072 - 74100-74122 3/1949 - 4/1949
DS-4-4-1000 9073-9079 - 74179-74185 4/1949
DS-4-4-1000 9122-9136 - 73616-73617, 73753-73765 6/1948 - 8/1948
DS-4-4-1000 9177-9183 - 73596-73602 4/1948 - 5/1948
DS-4-4-1000 9251-9257* - 73864-73870 12/1948 - 1/1949
DS-4-4-1000 9258-9261* - 73871-73874 1/1949
DS-4-4-1000 9262-9275* - 73875-73888 1/1949 - 2/1949
DS-4-4-1000 9429-9434* - 74708-74713 5/1950

* Listed as class BS10am.

DRS-4-4-1000

(PRR Class - BS10as)

Model Original Road Number Second Road Number Serial Number Date Built
DRS-4-4-1000 5591-5594 - 74744-74747 3/1950

DR-4-4-1500 (A)

(PRR Class - BF15)

Model Original Road Number Second Road Number Serial Number Date Built
DR-4-4-1500 (A) 9568A-9571A - 73697, 73700, 73701, 73703 2/1949
DR-4-4-1500 (A) 9572A-9575A - 73705, 73966, 73985, 74142 3/1949
DR-4-4-1500 (A) 9576A-9579A - 74143, 74146-74147, 74150 4/1949
DR-4-4-1500 (A) 9580A-9583A - 74151, 74154-74155, 74158 5/1949
DR-4-4-1500 (A) 9584A-9587A - 74159, 74162-74163, 74166 6/1949
DR-4-4-1500 (A) 9588A-9593A - 74167, 74170-74171, 74174-74175, 74178 6/1949 - 7/1949

DR-4-4-1500 (B)

(PRR Class - BF15)

Model Original Road Number Second Road Number Serial Number Date Built
DR-4-4-1500 (B) 9568B-9571B - 73698-73699, 73702, 73704 2/1949 - 3/1949
DR-4-4-1500 (B) 9572B-9575B - 73964-73965, 73986-73987 3/1949
DR-4-4-1500 (B) 9576B-9579B - 74144-74145, 74148-74149 4/1949
DR-4-4-1500 (B) 9580B-9583B - 74152-74153, 74156-74157 5/1949
DR-4-4-1500 (B) 9584B-9587B - 74160-74161, 74164-74165 5/1949 - 6/1949

DR-4-4-1500

(PRR Class - BF15a)

Model Original Road Number Second Road Number Serial Number Date Built
DR-4-4-1500 (A) 9700A-9703A - 74441-74442, 74444-74445 4/1950 - 5/1950
DR-4-4-1500 (A) 9704A-9707A - 74439, 74447, 74448, 74450 5/1950 - 6/1950
DR-4-4-1500 (B) 9700B-9703B - 74440, 74443, 74446, 74449 4/1950 - 5/1950
DR-4-4-1500 (B) 9704B-9707B - 74748-74751 5/1950 - 9/1950

DR-6-4-2000

(PRR Class - BP20)

Model Original Road Number Second Road Number Serial Number Date Built
DR-6-4-2000A 5770A-5779A - 73505-73514 6/1948 - 10/1948
DR-6-4-2000A 5780A-5784A - 73515-73519 10/1948 - 11/1948
DR-6-4-2000B 5770B-5778B (Evens) - 73523-73527 6/1948 - 10/1948
DR-6-4-2000B 5780B-5786B (Evens) - 73528-73531 10/1948 - 12/1948

DR-12-8-3000 ("Centipede")

(PRR Class -  BH50)

Model Original Road Number Second Road Number Serial Number Date Built
DR12-8-3000 5823A1, 5823A2 5823, 5822 73131A1, 73131A2 4/1947
DR12-8-3000 5824A1-5834A1 5824-5834 73377A1-73387A1 5/1947 - 2/1948
DR12-8-3000 5824A2-5827A2 5821, 5820, 5819, 5818 73377A2-73380A2 5/1947- 2/1948
DR12-8-3000 5828A2-5834A2 5811-5817 73381A2-73387A2 5/1947 - 2/1948

S8

(PRR Class - BS7)

Model Original Road Number Second Road Number Serial Number Date Built
S8 8994-8999 - 75117-75122 3/1951 - 4/1951

S12

(PRR Class - BS12)

Model Original Road Number Second Road Number Serial Number Date Built
S12 8100-8104 8135-8136, 8165, 8167, 8134 75945-75949 2/1954
S12 8753-8764 8155-8164 75619-75630 8/1952 - 9/1952
S12 8777-8796 - 75292-75311 12/1951 - 2/1952
S12 8976-8987 - 74857-74868 1/1951 - 2/1951
S12 8988-8993 - 74869-74874 3/1951

S12

(PRR Class - BS12m)

Model Original Road Number Second Road Number Serial Number Date Built
S12 8732-8752 8182-8199, 8180, 8179, 8178 75631-75651 9/1952 - 10/1952
S12 8765-8768, 8773-8775, 8769-8772 8179, 8176, 8177, 8168-8175 75652-75662 10/1952 - 12/1952

RS12

(PRR Class - BS12a)

Model Original Road Number Second Road Number Serial Number Date Built
RS12 8105-8109 - 75950-75954 2/1954

RS12

(PRR Class - BS12am)

Model Original Road Number Second Road Number Serial Number Date Built
RS12 8110 - 75955 2/1954
RS12 8776 8086 75663 9/1952

RS12

(PRR Class - BS12as)

Model Original Road Number Second Road Number Serial Number Date Built
RS12 8975 - 75116 4/1951

RT624

(PRR Class - BS24)

Model Original Road Number Second Road Number Serial Number Date Built
RT624 8952-8953 - 75123-75124 8/1951

RT624

(PRR Class - BS24m)

Model Original Road Number Second Road Number Serial Number Date Built
RT624 8113 8966 75958 2/1954
RT624 8724-8731 08724-08731 75664-75671 10/1952 - 12/1952
RT624 8954-8959 - 75125-75130 9/1951-10/1951
RT624 8960-8965 - 75131-75136 11/1951

AS616

(PRR Class - BS16m)

Model Original Road Number Second Road Number Serial Number Date Built
AS616 8111-8112 6975, 6976 75956-75957 2/1954

AS616

(PRR Class - BS16ms)

Model Original Road Number Second Road Number Serial Number Date Built
AS616 8966-8969 - 75076-75078, 75082 5/1951, 6/1951
AS616 8970-8971 - 75083-75084 6/1951
AS616 8972-8974 - 75079-75081 5/1951

RF16

(PRR Class - BF16)

Model Original Road Number Second Road Number Serial Number Date Built
RF16A 2000A-2009A - 75197-75206 6/1951 - 10/1951
RF16A 2010A-2017A - 75207-75214 2/1952 - 3/1952
RF16A 2018A-2019A - 75358-75359 3/1952
RF16A 2020A-2027A - 75378-75385 3/1952 - 4/1952
RF16B 2000B-2008B (Evens) - 75215-75219 6/1951 - 10/1951
RF16B 2010B-2016B (Evens) - 75220-75223 2/1952 - 3/1952
RF16B 2018B-2026B (Evens) - 75400, 75409-75412 3/1952 - 4/1952
RF16A 9708A-9715A - 74819-74826 12/1950 - 1/1951
RF16A 9716A-9727A - 74995-75006 3/1951
RF16A 9728A-9731A - 74991-74994 2/1951
RF16A 9732A-9735A - 74847-74848, 74855-74856 4/1951 - 5/1951
RF16A 9736A-9739A - 75112-75115 5/1951
RF16A 9740A-9743A - 74287-74830 2/1951
RF16A 9744A-9745A - 74989-74990 2/1951
RF16B 9708B-9714B (Evens) - 74831-74834 12/1950 - 1/1951
RF16B 9728B-9738B (Evens) - 74838-74840, 74844-74846 2/1951 - 5/1951
RF16B 9740B-9744B (Evens) - 74835-74837 2/1951

RF16

(PRR Class - BF18)

These three units were rebuilt with Alco 12-251 prime movers, rated at 1,800 horsepower.

Model Final Road Number Original Road Number Serial Number Date Built
RF16A 9632A, 9633A 9726A, 2001A 75220-75223 12/1959
RF16B 9632B 9583B 75220-75223 12/1959

Electro-Motive (EMD)

Early Switchers

PRR Classes

SW =  ES6

Model Original Road Number Second Road Number Serial Number Date Built
SW 3908 5911 680 6/1937

SW1

(PRR Class - ES6)

Model Original Road Number Second Road Number Serial Number Date Built
SW1 5910 - 1852 8/1942
SW1 5944-5946 - 3414-3416 6/1946
SW1 5947-5951 - 3580-3584 6/1946 - 7/1946
SW1 5952-5953 - 4957-4958 9/1947
SW1 5987-5999 - 5664-5676 3/1948 - 4/1948
SW1 9104 - 6763 4/1949
SW1 9138, 9137, 9339-9154 - 5370-5384 4/1948 - 7/1948
SW1 9200-9203 - 6759-6762 4/1949
SW1 9205-9209 - 6764-6768 4/1949
SW1 9396-9428 - 11190-11222 7/1950 - 11/1950

NW2

(PRR Class - ES10)

Model Original Road Number Second Road Number Serial Number Date Built
NW2 3909 5912 1426 10/1941
NW2 5921-5922 - 3417-3418 4/1946, 11/1945
NW2 5923-5925 - 4954-4956 9/1947 - 10/1947
NW2 9155-9164 - 5360-5369 2/1948
NW2 9165-9176 - 5802-5813 10/1948 - 11/1948
NW2 9247-9250 - 6755-6758 12/1948

SW7

(PRR Class - ES12)

Model Original Road Number Second Road Number Serial Number Date Built
SW7 8861-8867 - 13063-13069 1/1951

SW9

(PRR Class - ES12)

Model Original Road Number Second Road Number Serial Number Date Built
SW9 8859-8860 - 13061-13062 3/1951

SW7

(PRR Class - ES12m)

Model Original Road Number Second Road Number Serial Number Date Built
SW7 8868 - 13070 1/1951
SW7 8871-8872 - 13071-13072 1/1951
SW7 9358-9363 - 10431-10436 6/1950
SW7 9364-9368 - 10387-10391 5/1950
SW7 9369-9372 - 10437-10440 7/1950
SW7 9373-9385 - 10392-10404 3/1950
SW7 9386-9388 - 10405-10407 3/1950
SW7 9389-9395 - 10408-10414 5/1950

SW9

(PRR Class - ES12m)

Model Original Road Number Second Road Number Serial Number Date Built
SW9 8513-8522 9113-9122 (2nd) 16724-16733 12/1952
SW9 8523-8528 9123-9128 (2nd) 16742-16747 12/1952
SW9 8529-8536 9129-9136 (2nd) 16734-16741 3/1953
SW9 8537-8541 9137-9141 (2nd) 16748-16751 12/1952
SW9 8542-8544 9042-9044 (2nd) 16752-16754 3/1953
SW9 8869-8870 - 13073-13074 3/1951

SW1200

(PRR Class - ES12)

Model Original Road Number Second Road Number Serial Number Date Built
NW2 3909 5912 1426 10/1941
NW2 5923-5925 - 4954-4956 10/1947
SW1200 7900-7934 9000-9034 24132-24166 11/1957 - 4/1958

E7

(PRR Class - EP20)

Model Original Road Number Second Road Number Serial Number Date Built
E7A 5840A-5855A - 3976-3991 8/1947 - 9/1947
E7A 5856A-5865A - 5073-5082 2/1948
E7A 5866A-5879A - 7836-7849 3/1949 - 4/1949
E7A 5880A-5883A - 8619-8622 4/1949
E7B 5840B-5854B (Evens) - 3992-3999 8/1947 - 9/1947
E7B 5856B-5864B (Evens) - 5083-5087 2/1948
E7A 5900A, 5901A - 3356, 3357 9/1945
E7B 5900B - 5088 4/1947

E8

(PRR Class - EP22)

Model Original Road Number Second Road Number Serial Number Date Built
E8A 5765A-5769A, 5788A-5799A, 5801A-5807A - 15648-15671 3/1952 - 7/1952
E8A 5700A-5716A, 5760A-5764A - 16769-16790 9/1952 - 11/1952
E8A 5808A-5810A - 13101-13103 1/1951
E8A 5835A-5839A - 13104-13108 1/1951 - 2/1951
E8A 5884A-5893A - 10421-10430 3/1950 - 4/1950
E8A 5894A-5899A - 13109-13114 3/1951
E8A 5902A-5905A - 13115-13118 4/1951

F3A

(PRR Class - EF15/a)

Model Original Road Number Second Road Number Serial Number Date Built
F3A 9500A-9503A - 4914-4917 7/1947
F3A 9504A-9505A - 5389-5390 9/1947
F3A 9506A-9517A - 5043-5054 4/1948 - 5/1948
F3A 9518A-9519A - 6496-6497 1/1948
F3A 9520A-9527A, 9540A-9541A - 5346-5355 5/1948 - 7/1948
F3A 9528A - 5358 7/1948
F3A 9529A-9539A, 9556A-9565A - 5577-5596 9/1948
F3A 9542A-9555A - 6467-6480 10/1948 - 1/1949
F3A 9566A-9567A - 5748-5749 9/1948
F3A 9677A-9678A - 8279-8280 9/1948
F3A 9679A - 6488 10/1948
F3A 9680A-9683A - 6489-6492 1/1949 - 2/1949
F3A 9684A-9689A - 7574-7579 2/1949

F3B

(PRR Class - EF15/a)

Model Original Road Number Second Road Number Serial Number Date Built
F3B 9500B-9505B - 4918-4923 7/1947 - 9/1947
F3B 9506B-9517B - 5055-5066 4/1948 - 5/1948
F3B 9518B-9519B - 6498, 6493 1/1948, 1/1949
F3B 9520B-9522B - 5356-5357, 5359 5/1948, 7/1948
F3B 9523B-9527B, 9540B - 5067-5072 7/1948
F3B 9528B - 6494 2/1949
F3B 9541B - 7590 2/1949
F3B 9542B-9554B (Evens) - 6481-6487 10/1948 - 1/1949
F3B 9543B, 9545B - 7591, 7592 2/1949

F7A

(PRR Class - EF15/a)

Model Original Road Number Second Road Number Serial Number Date Built
F7A 9648A-9651A, 9662A-9663A, 9666A - 9826-9832 2/1950
F7A 9652A-9655A - 8800-8803 2/1950
F7A 9656A-9661A - 8791-8796 3/1950
F7A 9667A-9676A - 8227-8236 3/1939 - 7/1949
F7A 9640A-9647A, 9664A-9665A - 8767-8776 2/1950 - 3/1950
F7A 9670A-9676A - 8230-8236 4/1949 - 6/1949
F7A 9690A-9699A - 7580-7589 4/1949
F7A 9764A-9831A - 13578-13645 1/1951
F7A 9872A-9879A - 16791-16798 9/1952

F7B

(PRR Class - EF15/a)

Model Original Road Number Second Road Number Serial Number Date Built
F7B 9547B-9555B (Odds) - 7593-7597 4/1949
F7B 9667B-9676B - 8237-8246 3/1949 - 7/1949
F7B 9640B-9647B - 8777-8784 3/1950
F7B 9656B, 9658B, 9660B - 8797-8799 3/1950
F7B 9652B, 9654B - 8804-8805 2/1950
F7B 9648B, 9650B - 9833-9834 2/1950
F7B 9670B-9676B - 8240-8246 6/1949
F7B 9764B-9818B (Evens) - 13646-13673 1/1951 - 4/1951
F7B 9832B-9858B (Evens) 4150-4163 13075-13088 4/1952 - 6/1952
F7B 9872B-9878B (Evens) 3560-3563 16799-16802 9/1952

FP7

(PRR Class - EFP15)

Model Original Road Number Second Road Number Serial Number Date Built
FP7 9832A-9866A 4332-4366 12410-12444 4/1952 - 8/1952
FP7 9867A-9871A 4367-4371 15643-15647 8/1952

GP7

(PRR Class - ES15ms)

Model Original Road Number Second Road Number Serial Number Date Built
GP7 8500-01 5900-012 16756-16757 8/1952
GP7 8551-8553 5852-5853 18666-18668 9/1953
GP7 8583-8587 5955-5859 18628-18632 8/1953 - 9/1953

GP7

(PRR Class - ES15m)

Model Original Road Number Second Road Number Serial Number Date Built
GP7 8500-8501 5900-5901 16756-16757 8/1952
GP7 8502 5902 16768 8/1952
GP7 8503-8507 5903-5907 16758-16762 8/1952
GP7 8508-8512 5908-5912 16763-16767 8/1952
GP7 8545-8546 5845-5846 18626-18627 8/1953
GP7 8547-8550 5847-5851 18662-18668 9/1953
GP7 8551-8552 5851-5852 18666-18667 9/1953
GP7 8553 5853 18668 9/1953
GP7 8554-8582 5854-5882 18633-18661 8/1953 - 9/1953
GP7 8583-8587 5883-5887 18628-18632 8/1953 - 9/1953
GP7 8797-8799 5897-5899 12395-12397 1/1952
GP7 8800-8801 5840-5841 12398-12399 1/1952
GP7 8802-8804 5842-5844 (2nd) 12400-12402 1/1952
GP7 8805-8806 5895-5896 (2nd) 12403-12404 1/1952

GP9

(PRR Class - EFS17m)

Model Original Road Number Second Road Number Serial Number Date Built
GP9 7000-7049 - 20704-20753 10/1955 - 12/1955
GP9 7050-7099 - 21855-21904 10/1956 - 11/1956
GP9 7100-7104 - 22596-22600 11/1956
GP9 7105-7144 - 23305-2334 5/1957 - 6/1957
GP9 7145-7159 - 23943-23957 11/1957
GP9 7160-7184 - 23958-23982 11/1957
GP9 7185-7229 - 24217-24261 11/1957 - 12/1957
GP9 7230-7269 - 24282-24321 10/1959 - 12/1959

GP9B

(PRR Class - EFS17m)

Model Original Road Number Second Road Number Serial Number Date Built
GP9B 7158B-7184B - 23997-24006 11/1957
GP9B 7185B-7204B - 24262-24281 11/1957 - 12/1957
GP9B 7230B-7239B - 24322-24331 10/1959 - 12/1959

SD7

(PRR Class - ES15ax)

Model Original Road Number Second Road Number Serial Number Date Built
SD7 8588-8589 6950-6951 18669-18670 10/1953

SD9

(PRR Class - ES17m)

Model Original Road Number Second Road Number Serial Number Date Built
SD9 7600-7624 6900-6924 24167-24191 11/1957 - 1/1958

GP30

(PRR Class - EF22)

Model Original Road Number Second Road Number Serial Number Date Built
GP30 2200-2251 - 28108-28159 2/1963 - 5/1963

GP35

(PRR Class - EF25)

Model Original Road Number Second Road Number Serial Number Date Built
GP35 2252-2275 - 29001-29024 5/1964 - 6/1964
GP35 2276-2296 - 29447-29467 6/1964
GP35 2297-2308 - 29605-29616 11/1964
GP35 2309-2310 2250-2251 29617-29618 11/1964
GP35 2311-2370 2252-2310 30328-30387 1/1965 - 4/1965

SD35

(PRR Class - EF25a)

Model Original Road Number Second Road Number Serial Number Date Built
SD35 6000-6039 - 30388-30427 2/1965 - 5/1965

SD40

(PRR Class - EF30a)

Model Original Road Number Second Road Number Serial Number Date Built
SD40 6040-6104 - 31285-31349 2/1966 - 3/1966

SD45

(PRR Class - EF36)

Model Original Road Number Second Road Number Serial Number Date Built
SD45 6105-6139 - 32315-32349 10/1966 - 12/1966
SD45 6140-6169 - 32365-32394 1/1967 - 2/1967
SD45 6170-6199, 6210-6234 - 33804-33858 12/1967 - 1/1968
SD45 6200-6208 (Evens) - 33859-33863 1/1968
SD45 6201-6209 (Odds) - 33864-33868 1/1968 - 3/1968

Fairbanks-Morse (FM)

H10-44

(PRR Class -  FS10)

Model Original Road Number Second Road Number Serial Number Date Built
H10-44 5980-5986 - 10L61-10L63, 10L66-10L69 6/1948
H10-44 9080-9099 - 10L150-10L169 7/1949 - 11/1949
H10-44 9184-9196 - 10L70-10782 6/1948 - 9/1948
H10-44 9197-9199 - 10L96-10L98 9/1948 - 10/1948
H10-44 9288-9299 - 10L120-10L131 3/1949 - 4/1949

H12-44

(PRR Class -  FS12)

Model Original Road Number Second Road Number Serial Number Date Built
H12-44 8708-8710 8340-8342 12L828-12L830 2/1954

H12-44

(PRR Class -  FS12m)

Model Original Road Number Second Road Number Serial Number Date Built
H12-44 8711-8723 8327-8339 12L637-12L649 11/1952

H16-44

(PRR Class -  FS16m)

Model Original Road Number Second Road Number Serial Number Date Built
H16-44 8807-8816 5151 (8808), 5154 (8811), 5156 (8813), 5158 (8815) 16L579-17L588 4/1952

H20-44

(PRR Class -  FS20m)

Model Original Road Number Second Road Number Serial Number Date Built
H20-44 8917-8942 - 21L453-21L478 4/1951 - 6/1951
H20-44 9300-9304 - 20L42-20L46 1/1949 - 2/1949
H20-44 9305-9309 - 20L37-20L41 12/1948
H20-44 9310 - 20L47 2/1949
H20-44 9311 - 20L48 3/1949

H24-66 "Train Master"

(PRR Class -  FS24m)

Model Original Road Number Second Road Number Serial Number Date Built
H24-66 "Train Master" 8699-8707 6708, 6700-6707 24L897-24L905 8/1956 - 9/1956

CFA16-4

(PRR Class - FF16)

Model Original Road Number Second Road Number Serial Number Date Built
CFA16-4 9448A-9455A - 16L339-61L346 9/1950 - 10/1950
CFA16-4 9492A-9499A - 16L347-16L354 10/1950 - 11/1950

CFB16-4

(PRR Class - FF16)

Model Original Road Number Second Road Number Serial Number Date Built
CFB16-4 9448B-9454B (Evens) - 16L355-16L358 9/1950 - 10/1950
CFB16-4 9492B-9498B (Evens) - 16L359-16L362 10/1950 - 11/1950

Erie-Built (A)

(PRR Class - FF20)

Model Original Road Number Second Road Number Serial Number Date Built
Erie-Built (A) 9456A-9459A - L1108, L1110-L1111, L1113 11/1947 - 12/1947
Erie-Built (A) 9460A-9465A - L1114, L1116, L1121-L1122, L1123-L1124 1/1948- 2/1948
Erie-Built (A) 9466A-9471A - L1130-L1135 2/1948 - 3/1948
Erie-Built (A) 9478A-9491A - L1152-L1156, L1161-L1169 9/1948 - 12/1948

Erie-Built (A)

(PRR Class - FP20a)

Model Original Road Number Second Road Number Serial Number Date Built
Erie-Built (A) 9472A-9477A - L1140-L1141, L1148-L1151 6/1948 - 7/1948

Erie-Built (B)

(PRR Class - FF20)

Model Original Road Number Second Road Number Serial Number Date Built
Erie-Built (B) 9456B-9464B (Evens) - L1103, L1106, L1109, L1112, L1115 11/1947 - 12/1947
Erie-Built (B) 9466B-9470B (Evens) - L1125, L1126, L1129 12/1947

Erie-Built (B)

(PRR Class - FP20)

Model Original Road Number Second Road Number Serial Number Date Built
Erie-Built (B) 9478B - L1158 9/1948

Erie-Built (B)

(PRR Class - FP20a)

Model Original Road Number Second Road Number Serial Number Date Built
Erie-Built (B) 9472B-9476B (Evens) - L1146-L1147, L1144 6/1948 - 7/1948

General Electric (GE)

44-Ton (Switcher)

(PRR Class - GS4/m)

Model Original Road Number Second Road Number Serial Number Date Built
44-Ton 9312-9313 - 29992-29993 3/1949
44-Ton 9314-9324 - 30132-30142 3/1949 - 5/1949
44-Ton 9325-9340 - 29077-29079, 29961-29973 6/1948 - 9/1948
44-Ton 9341-9349 - 29975-29983 10/1948 - 12/1948
44-Ton 9350-9357 - 30143-30146, 30243-30245, 30254 5/1949 - 8/1949, 2/1950

U25B

(PRR Class - GF25)

Model Original Road Number Second Road Number Serial Number Date Built
U25B 2500-2506 - 34528-34534 8/1962
U25B 2507-2528 - 34539-34560 9/1962 - 10/1962
U25B 2529-2533 - 35124-35128 9/1964
U25B 2534-2548 - 35530-35544 2/1965 - 3/1965
U25B 2649-2658 - 35773-35782 11/1965 - 12/1965

U25C

(PRR Class - GF25a)

Model Original Road Number Second Road Number Serial Number Date Built
U25C 6500-6503 - 35057-35059, 35056 4/1965
U25C 6504-6509 - 35050-35055 4/1965
U25C 6510-6519 - 35619-35628 11/1965 - 12/1965

U28C

(PRR Class - GF28a)

Model Original Road Number Second Road Number Serial Number Date Built
U28C 6520-6525 - 36019-36024 9/1966
U28C 6526-6528 - 36026-36027, 36025 9/1966
U28C 6529-6534 - 36028-36033 9/1966

U30C

(PRR Class - GF30a)

Model Original Road Number Second Road Number Serial Number Date Built
U30C 6535-6539 - 36096-36100 1/1967

Lima-Hamilton

Lima never listed any of their diesel models with official names, although railfans over the years have colloquially given them various titles. 

PRR Classes

Transfer Switcher = LS25

Model Original Road Number Second Road Number Serial Number Date Built
Transfer Switcher (2,500 Horsepower) 5671-5681 - 9402-9412 5/1950 - 7/1950
Transfer Switcher (2,500 Horsepower) 5682-5683 - 9537-9538 8/1951, 9/1951

Transfer Switcher

(PRR Class - LS25m)

Model Original Road Number Second Road Number Serial Number Date Built
Transfer Switcher (2,500 Horsepower) 8943-8949 - 9528-9532, 9535-9536 5/1951 - 8/1951
Transfer Switcher (2,500 Horsepower) 8950-8951 - 9533, 9534 7/1951 - 8/1951

Steam Roster (Post 1906)

Wheel Arrangement Class Number(s) Quantity Builder Date Built Retirement Notes
2-8-0 H6b 1-9988 (Not Sequential) 148 Baldwin, PRR, Alco (Pittsburgh) 1907-1913 1925-1953 -
2-8-2 L1s 2-9866 574 (Not Sequential) PRR, Baldwin 1914-1919 1941-1959 -
0-6-0 B6sa 3-6227 (Not Sequential) 55 PRR 1913-1914 1949-1953 -
2-8-0 H9s 7-9999 312 (Not Sequential) - - - Rebuilt from Class H-8.
4-6-2 K4s 8-8378 (Not Sequential) 425 PRR, Baldwin 1914-1928 1947-1959 -
4-4-2 E3d 10-6441 (Not Sequential) 43 PRR 1908 1932-1946 -
4-4-2 E6s 13-6085 (Not Sequential) 82 PRR 1912-1914 1948-1953 -
0-6-0 B8 15-9569 (Not Sequential) 247 PRR, Lima 1913 1929-1956 -
2-8-0 H8b 21-3577 352 (Not Sequential) PRR, Baldwin 1908-1913 1934-1957 -
4-6-2 K2 23-9999 (Not Sequential) 153 PRR 1910-1911 1931-1949 -
2-8-0 H9s 24-5174 274 (Not Sequential) Baldwin, PRR 1913-1914 1947-1958 -
2-10-0 I1 30-6340 (Not Sequential) 122 PRR 1918-1919 1949-1959 -
0-6-0 B6sb 31-6400 (Not Sequential) 238 PRR 1916-1926 1949-1959 -
0-4-0 A4 50-6601 (Not Sequential) 64 PRR 1906-1913 1927-1936 -
0-4-0 A5s 76-4039 (Not Sequential) 47 PRR 1916-1924 1930-1956 -
4-6-2 K2a 86-8543 (Not Sequential) 72 PRR, Alco (Schenectady) 1911-1913 1931-1949 -
4-4-0 D16 340-6460 (Not Sequential) 40 PRR 1907-1908 1928-1935 -
4-6-0 G5s 459-3832 (Not Sequential) 40 PRR 1923 1948-1953 -
2-10-0 I1 790 1 PRR 1916 1956 -
4-4-2 E5 1002-9832 (Not Sequential) 12 PRR 1910-1913 1937-1949 -
2-8-0 H8 3193-3217 25 PRR 1907 1933-1956 -
4-6-2 K2sb 3371, 3375 2 PRR 1911 1934, 1931 -
4-6-2 K29 3395 1 Alco (Schenectady) 1911 1929 -
2-8-8-2 HH1s 3396 1 Alco (Schenectady) 1911 1928 -
0-8-8-0 CC1s 3397 1 Baldwin 1912 1931 -
0-6-0 No Class 3687-3688 2 Baldwin 1907, 1913 1925-1926 Ex-Cornwall & Lebanon Railroad
2-8-8-0 HC1s 3700 1 PRR 1919 1929 -
2-10-0 I1 4225-4699 475 Baldwin 1922-1923 1949-1960 -
4-8-2 M1 4700 (6699) 1 PRR 1923 1950 -
4-4-2 E6 5075/1067 1 PRR 1910 1950 -
0-6-0 No Class 5411 1 Baldwin 1912 1928 Ex-Baltimore & Sparrows Point Railroad
4-4-4-4 T1 5500-5549 50 PRR, Baldwin 1945-1946 1952-1956 Duplex Drive
4-6-2 K5 5698-5699 2 PRR, Baldwin 1929 1952-1953 Experimental designs featuring a one piece, cast-steel frame. The pair were PRR's last new Pacifics.
4-6-0 G5s 5700-5749 50 PRR 1924-1925 1949-1955 -
4-4-2 E2d 6001-6083 (Not Sequential) 32 PRR 1908 1931-1938 -
2-8-0 H10s 6073-9999 200 (Not Sequential) - - - Rebuilt from Class H-8.
6-4-4-6 S1 6100 1 PRR 1939 1949 Duplex Drive
4-4-4-4 T1 6110-6111 2 Baldwin 1942 1953 Duplex Drive
4-6-4-4 Q1 6130 1 PRR 1942 1952 Duplex Drive
4-4-6-4 Q2 6131 1 PRR 1944 1952 Duplex Drive
2-10-4 J1 6150-6174 25 PRR 1943-1944 1957-1959 -
4-4-6-4 Q2 6175-6199 25 PRR 1945 1953-1956 Duplex Drive
6-4-4-6 S1 6200 1 Baldwin 1944 1952 Turbine
2-10-4 J1/J1a 6401-6500 100 PRR 1942-1943 1957-1959 -
4-4-2 - 6504, 6532 2 Baldwin 1907 - -
0-8-0 C1 6550-6639 (Not Sequential) 90 PRR 1925-1927 1948-1953 -
4-8-2 M1a 6700-6799 100 Baldwin, PRR, Lima 1930 1951-1959 -
4-8-2 M1 6800-6999 200 Baldwin, Lima 1926 1949-1959 -
2-8-0 H10s 7001-9895 273 (Not Sequential) Alco (Pittsburgh, Brooks), Baldwin, Lima 1913-1916 Retired by 1960. Rebuilt from Class H-8.
4-6-2 K3s 7004-8663 30 Baldwin 1913 1947-1949 -
0-6-0 B28s 7007-9405 (Not Sequential) 30 Alco (Pittsburgh, Cooke, Schenectady) 1918-1919 1948-1953 A USRA design.
2-10-2 N1s 7008-9866 60 Alco (Brooks), Baldwin 1919 1947-1950 -
2-10-2 N2s 7036-9859 130 Alco (Brooks), Baldwin 1919 1948-1953 USRA Heavy design.
2-8-0 H8c 7021-9989 192 (Not Sequential) Alco (Brooks, Pittsburgh) and PRR 1908-1913 1934-1957 -
0-6-0 B29 7028-9786 (Not Sequential) 135 Alco (Pittsburgh, Richmond), Lima 1913 1926-1930 -
0-6-0 B6 7045-9354 (Not Sequential) 49 PRR, Baldwin, Lima 1910-1913 1948-1952 -
4-6-2 K28 7067 1 Alco (Pittsburgh) 1907 1933 -
2-8-0 H8a 7193-9886 117 (Not Sequential) PRR, Baldwin, Alco (Pittsburgh) 1907-1911 1937-1956 -
0-8-8-0 CC2s 7250-9359 (Not Sequential) 10 Baldwin 1919 1947-1949 -
4-4-2 E2b 7496-8634 (Not Sequential) 70 PRR 1909 1924-1927 -
4-6-2 K21s 8701-8712 12 Alco (Schenectady) 1910-1913 1929-1930 -
4-4-2 E23s 8735-8738 4 Alco (Schenectady) 1907-1910 1928-1929 -
0-6-0 B23 8777-8782 6 Alco (Schenectady) 1907 1926-1934 -
2-6-0 F27s 8833-8843 11 Alco (Schenectady) 1907 1926-1928 -
4-6-0 G34b 9530-9539 (Not Sequential) 8 Alco (Pittsburgh) 1907-1909 1927-1928 -
2-8-0 H34a 9602-9605 4 Alco (Pittsburgh) 1908 1925-1926 -
2-8-0 H34b 9616-9619 4 Alco (Pittsburgh) 1910 1925-1926 -
2-8-2 L2s 9627-9631 5 Alco (Schenectady) 1919 1948 USRA Light design.
4-6-0 Narrow-Gauge 9661 1 Baldwin 1910 1929 Ex-Ohio River & Western
2-6-0 Narrow-Gauge 9663 1 Griffith & Wedge 1909 1928 Ex-Ohio River & Western
2-6-0 Narrow-Gauge 9684 1 Alco (Cooke) 1916 1934 Ex-Waynesburg & Washington
2-6-0 Narrow-Gauge 9687 1 Alco (Cooke) 1920 1934 Ex-Waynesburg & Washington
4-4-0 D16d 9821-9825 5 PRR 1907-1910 1925-1931 -

Class K-4s (4-6-2)

Perhaps the best-known 4-6-2's of all time was Pennsylvania Railroad's K-4s class. These steamers carried a simple beauty to it, which also lent to much of its success. 

However, beneath its good looks these 4-6-2s could also perform quite  exceptionally.. Another reason for the K-4s' popularity, at least among railfans and historians, was that fact that most were built the Pennsylvania's own Juanita shops, which built well over 300 in total with the remaining manufactured by Baldwin. 

It is important to point out, however, that the K-4s was not the only Pacific class the Pennsy owned; the railroad actually rostered over a half-dozen different types built over a 20-year span and virtually all (save for one) were listed as Class K. 

The K-4s is widely recognized today for its ruggedness and reliability; sporting PRR's noteworthy Belpaire fireboxes they could be found anywhere and everywhere on the railroad's massive system. 

The Pennsy was also one of the few roads to operate the wheel arrangement in freight service.  Generally, the Pacific type was a passenger locomotive but some roads did choose to expand its range. Today, two of the PRR's legendary 4-6-2s are preserved.

2968812837618h2j6o0798108.jpgPennsylvania Railroad 4-6-2 #3755 (K-4s) steams south over the Navesink River at Red Bank, New Jersey on subsidiary New York & Long Branch on November 10, 1950. Author's collection.

By the turn of the 20th century many of the larger railroads realized that they were running into a problem; passenger trains were becoming larger and heavier as demand steadily increased which was resulting in multiple units needed to keep these expedited consists on a strict schedule. 

In 1902 the Chesapeake & Ohio was the first to put the 4-6-2 design into regular service for the very reasons mentioned above.   Somewhat surprisingly, it was not until 1906 that the Pennsylvania Railroad began looking at the possibility of utilizing such a locomotive for passenger operations. 

In 1907 the PRR collaborated with the American Locomotive Company's (Alco) Pittsburgh Works to build an experimental Pacific.  Interestingly, even here the railroad was still quite slow, deliberate, and calculated in its approach with the new locomotive. 

This first 4-6-2 was given road number 7067 and listed as Class K-28; it featured 80-inch drivers, a tractive effort of nearly 33,000 pounds, and weighed more than 208 tons (including tender). 

For an early Pacific design it was quite heavy in comparison to the C&O's examples (by more than 53 tons) with a tractive effort slightly better. This would be the only 4-6-2 of this class and it was later super-heated and designated as Class K-28s before being scrapped in 1933. 

In any event, the PRR was quite pleased with its trials and decided on the Pacific as its primary power for passenger service.

The K-4s was actually the fifth of six different classes of 4-6-2's the railroad owned following (by date) the K-28, K-2sa, K-21s/VK-1, K-29, and K3s. 

What would eventually become the PRR Class K-4s Pacifics resulted from an earlier Class E-6 Atlantic design, incorporating the 4-4-2 wheel arrangement, and the American Locomotive Company’s K-29 Pacific design. 

Mechanically the most famous features of the K-4s' would be their Belpaire fireboxes, 80-inch drivers, and Walschaerts valve gear, which blended just the right amount of power and speed to haul virtually anything the PRR asked of them. 

The PRR's designation for its K-4s was as follows: the "K" denoted the railroad's fleet of Pacifics while the "4" was simply the class number of the wheel arrangement; lastly, the "s" referred to the class being superheated.

597257109u7410720.jpgPennsylvania 4-6-2 #830 (K-4s) is seen here working suburban service at Exchange Place Terminal in Jersey City, New Jersey during the 1950's. This was PRR's original station serving New York City, prior to the opening of Pennsylvania Station in downtown Manhattan (the skyline can be seen in the background, the tallest structure appears to be the Woolworth Building). This scene has changed drastically today; part of the facility is currently used by PATH's subway services but all signs of above-ground infrastructure are gone. Mac Owen collection.

The K-4s locomotives were first constructed between 1910 and 1911 and they proved so successful that while most of the railroad's 4-6-2s were retired by the 1930s they would soldier on until all steam was retired from the property in the late 1950s. 

Most of the 450 K-4s units were built directly by the railroad's own Juniata, Pennsylvania shop forces (375) while Baldwin also chipped in with 75 examples. 

Interestingly, while versatile and able to pull serious tonnage the K-4s was not Pennsy's most powerful Pacific, which was the K-5 built in 1929 that by far had the highest tractive effort, boiler pressure, and overall weight of any 4-6-2 the railroad operated. Despite their power, however, the K-5 was not considered successful on the PRR. 

Incredibly, while hundreds of 4-6-2s were put into service  just two survived the scrappers torch; #1361 currently at the Railroaders Memorial Museum in Altoona and #3750 at the Railroad Museum of Pennsylvania.   

#1361

First Restoration (1986-1987)

For years, #1361 sat as a moment at the railroad's fabled Horseshoe Curve in Pennsylvania after being retired by the railroad in 1957. In 1986 the locomotive was removed from its static display and restored to operational status to pull excursions. 

She pulled excursions from April, 1987 until 1989 when the locomotive was again sidelined after suffering a main bearing and drive axle failure.

The locomotive was slated for a quick rebuild and return to service.  However, a lack of leadership and direction on the project saw its completion continually pushed back.

This drove up costs and after more than a decade of work the restoration had cost $1.7 million with no timeline on completion.  In 1996 she had been disassembled and moved to the Steamtown National Historic Site in Scranton, Pennsylvania.

Here she sat as Altoona, Steamtown, and the University of Scranton teamed up on the project.  Finally, with no end in sight, Altoona stopped funding in 2007 and the locomotive was returned to the museum.

Afterwards, the Pacific returned to public display; here she sat for more than 20 years.  It is a funny thing how things come full circle.

203952093472374276357268309784.jpgPennsylvania 4-6-2 #612 (K-4sa) leads a farewell-to-steam fan trip between Sea Girt and Jamestown, New Jersey on October 20, 1957. American-Rails.com collection.

Current Restoration and Status

Beginning in the late 2000's and continuing through the 2010's, a great resurgence in steam locomotives began.

During this time multiple restorations were launched; some have been completed while others are still underway.  Notables here include:

  • Norfolk & Western 4-8-4 #611
  • Reading 4-8-4 #2100
  • Nashville, Chattanooga & St. Louis 4-8-4 #576
  • Reading 4-8-4 #2102
  • Chesapeake & Ohio 2-8-4 #2716
  • Union Pacific 4-8-8-4 "Big Boy" #4014

It appears many of these restorations are spurred both by the public's appetite to see these machines in action and train enthusiasts' interest in bringing a piece of history back to life.

The restoration of K-4 #1361, announced on June 24, 2021, is thanks to a new vision at the Railroaders Memorial Museum, led by renowned preservationist and former Norfolk Southern chariman/CEO C. Wick Moorman

He is currently the museum's Chairman of the Board and is also helping oversee the restoration of the nearby East Broad Top Railroad.

His vision and leadership at Altoona spurred the current restoration of #1361 which now has a group of dedicated professionals working on the project.

The locomotive's restoration is expected to cost $2.7 million although a final completion date has yet to be announced. 


Penn Central

Surprisingly the ICC approved the marriage, which virtually allowed a monopoly in the Northeast; the ill-fated Penn Central Transportation Company was born on February 1, 1968.  

From the start chaos ensued as operations ground to halt; trains became lost and incoming management teams struggled to work together.  

The situation worsened a year later when the bankrupt New Haven was forced upon the foundering conglomerate.  By then, PC was burning through nearly $1 million a day and the situation was untenable. After only two years the destitute Penn Central officially declared bankruptcy on June 21, 1970.

The result was a ripple effect throughout the entire Northeast as other railroads, which depended on the PC, struggled to keep their freight moving. 

It became so bad the region was facing total shutdown if government assistance did not arrive.  Realizing the severity of the situation the feds stepped in and setup the Consolidated Rail Corporation, Conrail, which comprised the skeletons of several bankrupt carriers. It began operations on April 1, 1976.  

With federal backing Conrail slowly turned things around, thanks in part to deregulation legislation passed in 1980.  A year later the railroad turned its first profit and became so successful CSX Transportation and Norfolk Southern jointly split the company in 1999; CSX picked up many former NYC lines while NS got a good chunk of the Pennsy.

Today, many parts of the legendary PRR continue to serve an important role handling freight and passengers between Chicago, the east coast, and along the Northeast Corridor.

More Reading

The Trainphone

Photo Gallery

98325723582362896983468937889.jpgPennsylvania 2-8-2 #242 was photographed here by Homer Newlon, Jr. between assignments at the small engine terminal in Phillipston, Pennsylvania on September 24, 1955. Today, this facility and nearby rail line are abandoned. American-Rails.com collection.
9238523627346238589268939878.jpgPennsylvania 2-8-2 #203 was photographed here by Homer Newlon, Jr. between assignments at the engine terminal at Blairsville, Pennsylvania on September 24, 1955. American-Rails.com collection.

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