| ALCO C425 | |
|---|---|
| Power type | Diesel-electric |
| Builder | Alco Products |
| Model | C425 |
| Build date | October 1964 – December 1966 |
| Total produced | 91 |
| AAR wheel arr. | B-B |
| UIC classification | Bo′Bo′ |
| Gauge | 4 ft 8 1⁄2 in (1,435 mm) |
| Length | 59 ft 4 in (18.08 m) |
| Width | 10 ft (3.0 m) |
| Height | 14 ft 5 in (4.39 m) |
| Locomotive weight | 280,000 lb (127.0 tonnes) |
| Fuel capacity | 1,660 US gal (6,280 l) |
| Prime mover | Alco 16-251C |
| Engine type | 4-stroke diesel |
| Aspiration | Turbocharger |
| Displacement | 8,256 cu in (135.3 l) |
| Cylinders | 16 |
| Cylinder size | 9 × 10.5 in (229 × 267 mm) |
| Transmission | DC generator, DC traction motors |
| Top speed | 70 mph (113 km/h) |
| Power output | 2,500 hp (1,860 kW) |
| Tractive effort | 40,425 lbf (179.8 kN) |
| Locomotive brakes | Straight air, dynamic |
| Train brakes | Air |
| Locale | North America |
The ALCO Century 425 was a four-axle, 2500 horsepower (1.875 MW) diesel locomotive of the road switcher type. 91 were built between October 1964 and December 1966.
Cataloged as part of ALCO's Century line of locomotives, the C425 was an upgraded version of the C424. The C425 employed the same main generator found in General Electric's U25B model.
| Owner | Quantity | Numbers | Notes |
|---|---|---|---|
| Chicago and North Western Railway | 4 | 401–404 | |
| Erie Lackawanna Railway | 12 | 2451–2462 | |
| New York, New Haven and Hartford Railroad | 10 | 2550–2559 | |
| Norfolk and Western Railway | 18 | 1000–1016, 1011 (2nd) | 1000–1006 ordered by Wabash Railroad |
| Pennsylvania Railroad | 31 | 2416–2446 | |
| Spokane, Portland and Seattle Railway | 16 | 310–317, 320–327 |
|
||||||||||||||||||||||||||