ALCO Century 425

4 ft 8+1⁄2 in (1,435 mm) standard gaugeTrucksAAR type BLength59 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 16-251CEngine typeFour-stroke dieselAspirationTurbochargerDisplacement8,256 cu in (135.3 L)GeneratorGE DC 5GT-598-D2Traction motors(4) GE 5GE-752-E50Cylinders16Cylinder size9 in × 10.5 in (229 mm × 267 mm)Loco brakeStraight air,Train brakesAir, Dynamic

Performance figures
Maximum speed	70 mph (113 km/h)
Power output	2,500 hp (1,860 kW)
Tractive effort	40,425 lbf (179.8 kN)

Career
Locale	North America

The ALCO Century 425 was a four-axle, 2,500 hp (1,860 kW) diesel-electric locomotive. 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.

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

• List of ALCO diesel locomotives

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.

External links

• Sarberenyi, Robert. "Alco C425 Original Owners".

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