| Wheel Arrangement | Manufacturer Model Number and/or Name(s) | Use* | PRR Class | RDG Class | Notes |
|---|---|---|---|---|---|
| B | PRR (Altoona Shop) type B | S | A6 | 400HP, 1928 (2 units) | |
| B | PRR (Altoona Shop) type B | S | A6b | 450HP, 1930 (1 unit) | |
| B-B | ALCo HH900 | S | OE-4 | 900HP, 1937- | |
| B-B | ALCo S1 | S | AS6 (1947) | OE-8 (1940) | 660HP |
| B-B | ALCo S3 | S | AS6 | 660HP, 1950- | |
| B-B | ALCo S2 | S | AS10 (1948) | OE-11 (1947) | 1000HP |
| B-B | ALCo S4 | S | AS10 AS10M | 1000HP, 1958- | |
| B-B | ALCo/GE/Ingersoll-Rand 60-ton Boxcab | S | OE-1 | 300HP, 1926 (1 unit) | |
| B-B | ALCo/GE/Ingersoll-Rand 60-ton Boxcab | S | OE-2 | 300HP, 1928 (1 unit) | |
| B-B | Baldwin pre-VO660 | S | OE-7 | 660HP, 1939 (1 unit) | |
| B-B | Baldwin VO660 | S | BS6 | 660HP, 1942- | |
| B-B | Baldwin DS4-4-660 (later S6) | S | BS6a | 660HP, 1948- | |
| B-B | Baldwin DS4-4-750 | S | BS7 BS7m | 750HP, 1950- | |
| B-B | Baldwin VO1000 | S | BS10 (1943) | OE-10 (1940) | 1000HP |
| B-B | Baldwin DS4-4-1000 (later S10) | S | BS10a (1948) | OE-10 (1947) | 1000HP |
| B-B | Baldwin S12 | S | BS12 BS12m | 1200HP, 1951- | |
| B-B | Electro-Motive MP15 | S | MP15 | 1500HP, 1974 | |
| B-B | Electro-Motive NW2 | S | ES10 (1941) | OE-9 (1940) | 1000HP |
| B-B | Electro-Motive Model SW | S | AAA5 | OE-3 (later rebuilt to SW900) | 600HP, 1937- |
| B-B | Electro-Motive SW1 | S | ES6 | OE-5 | 600HP, 1937- |
| B-B | Electro-Motive SW7 | S | ES12 ES12m | 1200HP, 1950- | |
| B-B | Electro-Motive SW9 | S | ES12 ES12m | 1200HP, 1951- | |
| B-B | Electro-Motive SW900 | S | OE-13 | 660HP, 1956- | |
| B-B | Electro-Motive SW900m | S | SWE-4 (rebuilt from VO-660) | 900HP, 1961 | |
| B-B | Electro-Motive SW900m | S | SWE-14 (rebuilt from VO-660) | 900HP, 1961 | |
| B-B | Electro-Motive SW1001 | S | SW1001 | 1000HP, 1973 | |
| B-B | Electro-Motive SW1200 | S | ES12 (1957) | SW1200 (1963) | 1200HP |
| B-B | Electro-Motive SW1200m | S | SWE-1 (rebuilt from V0-1000) | 1200HP, 1959 | |
| B-B | Electro-Motive SW1500 | S | SW1500 | 1500HP, 1966- | |
| B-B | Fairbanks Morse H10-44 | S | FS10 | 1000HP, 1948- | |
| B-B | Fairbanks Morse H12-44 | S | FS12 FS12m | 1200HP, 1952- | |
| B-B | General Electric 44-ton | S | GS4 | 390HP, 1947- | |
| B-B | St. Louis Car Co./ Fairbanks Morse Center Cab | S | OE-6 | 600HP, 1939 (1 unit) | |
| B-B | ALCo RS-1 | F | AS10s AS10am AS10as AS10ams | 1000HP, 1948- | |
| B-B | ALCo RS-2 | F | AS15m | 1500HP, 1950- | |
| B-B | ALCo RS-3 | F/P | AS16 AS16m AS16ms (later ARS16) | RS-1/ RS-1b | 1600HP, 1951- |
| B-B | ALCo RS-11 | F | AS18m (later ARS18) | 1800HP, 1956- | |
| B-B | ALCo FA-1/FB-1 | F | AF15 (1948) | DF-3 (1953) | 1500HP |
| B-B | ALCo FA-2/FB-2 | F | AF16 | 1600HP, 1951 | |
| B-B | ALCo RS-27 | F | AF24 | 2400HP, 1962 | |
| B-B | ALCo C-424 | F | AF24a | RSA-14 | 2400HP, 1963 |
| B-B | ALCo C-425 | F | AF25 | 2500HP, 1964- | |
| B-B | ALCo C-430 | F | RSA-14 | 3000HP, 1966 | |
| B-B | Baldwin AS-16 | F/P | RS-2 RS-2b | 1600HP, 1951- | |
| B-B | Baldwin DRS-4-4-1000 (later RS-10) | F | BS10as (later BRS10sx) | 1000HP, 1949- | |
| B-B | Baldwin DS-4-4-1000 | F | OE-12 | 1000HP, 1948 | |
| B-B | Baldwin RS-12 | F | BS12am (later BRS12) BS12as (later BRS12sx) BS12ams (later BRS12a) | 1200HP, 1952- | |
| B-B | Baldwin DR4-415 | F | BF15 (later ABF18) | 1500HP, 1949 | |
| B-B | Baldwin RF-15 | F | BF15a | 1500HP, 1950 "Sharks" | |
| B-B | Baldwin RF-16 | F | BF16 (later ABF18) | 1600HP, 1950- "Sharks" | |
| B-B=B-B | Electro-Motive FTA/FTB | F | DF-1 | 2750HP, 1945- | |
| B-B | Electro-Motive F3A/F3B | F | EF15 | DF-2 | 1500HP, 1948- |
| B-B | Electro-Motive F7A/F7B | F | EF15a | DF-4 | 1500HP, 1950- |
| B-B | Electro-Motive FP7A/FP7B | F/P | EFP15 (1952) | DP-1 (1950) | 1500HP |
| B-B | Electro-Motive GP7 | F | ES15m (later ERS15) ES15ms (later ERS15s) | RS-3 | 1500HP, 1952- |
| B-B | Electro-Motive GP9A | F | EFS17m (later ERS17) | 1750HP, 1955- | |
| B-B | Electro-Motive GP9B | F | EFS17m (later EF17) | 1750HP, 1957- | |
| B-B | Electro-Motive GP30 | F | EF22 (1963) | RSE-14 (1962) | 2250HP |
| B-B | Electro-Motive GP35 | F | EF25 (1964-) | RSE-14 (1963) | 2500HP |
| B-B | Electro-Motive GP39-2 | F | GP39-2 | 2300HP, 1974 | |
| B-B | Electro-Motive GP40-2 | F | GP40-2 | 3000HP, 1973 | |
| B-B | Fairbanks Morse H16-44 | F | FS16m (later FRS16) | 1600HP, 1952 | |
| B-B | Fairbanks Morse H20-44 | F | FS20 (later FRS20x) FS20m (later FRS20) | 2000HP, 1948- | |
| B-B | Fairbanks Morse CFA16-4/ CFB16-4 | F | FF16 | 1600HP, 1950 "C-Liners" | |
| B-B | General Electric U25B | F | GF25 | 2500HP, 1962- | |
| C-C | ALCo RSD-4 | F | AS16a AS16am (later ARS16a) | 1600HP, 1952- | |
| C-C | ALCo RSD-12 | F | AS18am (later ARS18a) | 1800HP, 1958- | |
| C-C | ALCo RSD-15 | F | AS24m (later ARS24) | 2400HP, 1956- | |
| C-C | ALCo RSD-7 | F | APS24ms (later ARS24s) | 2400HP, 1955- | |
| C-C | ALCo C-628 | F | AF27 | 2750HP, 1965 | |
| C-C | ALCo C-630 | F | AF30a | RSA-14 | 3000HP, 1966- |
| C-C | Baldwin AS-616 | F | BS16m BS16ms (later BRS16) | 1600HP, 1951- | |
| C-C | Baldwin RT-624 | F | BS24 BS24m | 2400HP, 1951- | |
| C-C | Electro-Motive SD7 | F | ES15a (later ERS15ax) | 1500HP, 1953 | |
| C-C | Electro-Motive SD9 | F | ES17m (later ERS17a) | 1750HP, 1957- | |
| C-C | Electro-Motive SD35 | F | EF25a | 2500HP, 1965 | |
| C-C | Electro-Motive SD40 | F | EF30a | 3000HP, 1965- | |
| C-C | Electro-Motive SD45 | F | EF36 (1966) | RSE-14 (1967) | 3600HP |
| C-C | Fairbanks Morse H24-66 | F | FS24m (1956) (later FRS24) | RS-4 (1953) RS-4b (1956) | 2400HP "Trainmaster" |
| C-C | General Electric U25C | F | GF25a | 2500/2800HP, 1965 | |
| C-C | General Electric U28C | F | GF28a | 2800HP, 1966 | |
| C-C | General Electric U30C | F | GF30a | RSG-14 | 3000HP, 1967 |
| C-C | General Electric U33 | F | GF33a | 3300HP, 1968 | |
| C-C | Lima T2500 | F | LS25 LS25m | 2500HP, 1950- | |
| A1A-A1A | ALCo PA1/PB1 | P/F | AP20 (later AFP20) | 2000HP, 1947- | |
| A1A-A1A | Baldwin DR6-4-20 (P2000) | P | BP20 | 2000HP, 1948- | |
| A1A-A1A | Electro-Motive E7A/E7B | P | EP20 | 2000HP, 1945- | |
| A1A-A1A | Electro-Motive E8A | P | EP22 | 2250HP, 1950- | |
| A1A-A1A | Fairbanks Morse "Erie Built" | P/F | FP20a FP20 (later FF20) | 2000HP, 1947 | |
| 2-D+D-2=2-D+D-2 | Baldwin DR12-8-30 | P/F | BP60a (later BH50) | 6000HP, 1947 "Centipede" | |
| B-1 | Electro-Motive LWT12 | P | EP12 | 1200HP, 1956 "Aerotrain" |
| TITLE | AUTHOR | PUBLISHER | NOTES |
|---|---|---|---|
| Pennsy Power II | Alvin Staufer | Alvin Staufer | Black & white photographs, technical and historical data. |
| Black Gold, Black Diamonds | Eric Hirsimaki | Mileposts Publishing | Black & white photographs, technical and historical data. |
| Pennsylvania Railroad Diesel Locomotive Pictorial | John D. Hahn Jr. | Withers Publishing | Several volumes on various models of locomotives. |
| A Pennsy Diesel Power Review | Paul Carleton | D. Carleton Railbooks | Black & white photographs, technical and historical data. |
| Pennsy Diesel Years | Robert J. Yanosey | Morning Sun Books | Several volumes; numerous color photographs. |
| Reading Diesels | Dale Woodland | Garrigues House | Two volumes. Historical and technical data, black & white photographs, some color photos. |