Published: March 16, 2025
By: Adam Burns
The Pennsylvania Railroad was not immediately sold on diesels, continuing to stick with the proven steam locomotive well into the 1940s. The PRR 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.
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 |
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 |
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 |
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 |
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 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 |
Contents
Mar 16, 25 01:14 PM
Mar 16, 25 08:31 AM
Mar 16, 25 08:20 AM