The ALCO 251 is a prime mover that was designed and built by the American Locomotive Company (ALCO) to specifically replace its 244 and 539 engines. The ALCO 251 diesel engine was developed to be used in diesel locomotives that ALCO had manufactured.
North American locomotive uses:[]
Engine type | Power (hp) | Locomotive(s) |
---|---|---|
inline-6 251A | 800 | S-5, GE 78 Ton, GE X3341. |
inline-6 251B | 900 | S-6. |
inline-6 251B | 1000 | T-6. |
inline-6 251C | 1000 | S-13, RS-23. |
inline-6 251D | 1200 | DL535E. |
V-8 251F | 1500 | C415. |
V-12 251B | 1800 | RS-11, RSD-12, RS-18, RS-36, FPA-4, FPB-4. |
V-12 251C | 2000 | RS-32, C420, DH643, M420. |
V-12 251E | 2400 | M424, HR412. |
V-16 251B | 2400 | RS-27, RSD-15, RSD-17, C424. |
V-16 251C | 2500 | C425. |
V-16 251C | 2750 | C628, C855, C855B. |
V-16 251E | 3000 | C430, C630, M630. |
V-16 251E | 3200 | HR616. |
V-16 251F | 3600 | C636, M636. |
V-16 251F | 3700 | LRC-2, LRC-3. |
V-18 251F | 4000 | M640. |