ALCO Century 420

Specifications
Specifications
Configuration:;
• AAR	B-B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Prime mover	ALCO 12-251C

Type and origin
Type and origin
Power type	Diesel-electric
Builder	ALCO
Model	Century 420
Build date	June 1963 – August 1968
Total produced	131

ALCO Century 420
ALCO Century 420
	Arkansas and Missouri Railroad 68, an ALCO C420
Power type
Type and origin
Power type	Diesel-electric
Builder	ALCO
Model	Century 420
Build date	June 1963 – August 1968
Total produced	131
Configuration:;
Specifications
Configuration:;
• AAR	B-B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Prime mover	ALCO 12-251C
Power output
Performance figures
Power output	2,000 hp (1,491 kW)

The ALCO Century 420 is a four-axle, 2,000 horsepower (1,491 kW) diesel-electric locomotive. 131 were built between June 1963 and August 1968. Cataloged as a part of ALCO's "Century" line of locomotives, the C420 was intended to replace the earlier RS-32 model.