ALCO Century 425

The ALCO Century 425 was a four-axle, 2,500 hp (1,860 kW) diesel-electric locomotive of the road switcher type. 91 were built between October 1964 and December 1966.

ALCO C425
Northbound Livonia, Avon and Lakeville Road Freight in 2007
Type and origin
Power typeDiesel-electric
BuilderAlco Products
ModelC425
Build dateOctober 1964 –
December 1966
Total produced91
Specifications
Configuration:
​
 • AARB-B
Gauge4 ft 8 1⁄2 in (1,435 mm) standard gauge
TrucksAAR type B
Length59 ft 4 in (18.08 m)
Width10 ft (3.05 m)
Height14 ft 5 in (4.39 m)
Loco weight280,000 lb (130 t)
Fuel capacity1,660 US gal (6,280 l)
Prime moverAlco 16-251C
Engine typeFour-stroke diesel
AspirationTurbocharger
Displacement8,256 cu in (135.3 L)
GeneratorGE DC 5GT-598-D2
Traction motors(4) GE 5GE-752-E50
Cylinders16
Cylinder size9 in × 10.5 in (229 mm × 267 mm)
Loco brakeStraight air,
Train brakesAir, Dynamic
Performance figures
Maximum speed70 mph (113 km/h)
Power output2,500 hp (1,860 kW)
Tractive effort40,425 lbf (179.8 kN)
Career
LocaleNorth America

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.

Original Owners


Owner Quantity Numbers Notes
Chicago and North Western Railway 4 401–404
Erie Lackawanna Railway 12 2451–2462 to BC Rail 801-812
New York, New Haven and Hartford Railroad 10 2550–2559 to Penn Central 2450-2459, then Conrail, same numbers
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 to Burlington Northern 4250, 4252-4265

See also

References
  • Dorin, Patrick C. (1972). Chicago and North Western Power. Burbank, California: Superior Publishing. p. 147. ISBN 0-87564-715-4.
  • Pinkpank, Jerry A (1973). The Second Diesel Spotter’s Guide. Kalmbach Books. pp. 208, 252. ISBN 0-89024-026-4. LCCN 66-22894.



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