GE U23B

GE U23B
Conrail 2728
Type and origin
Power typeDiesel-electric
BuilderGE Transportation Systems
ModelU23B
Build dateAugust 1968 – June 1977
Total produced481
Specifications
Configuration:
 • AARB-B
Gauge4 ft 8+12 in (1,435 mm)
Wheel diameter40 in (1,000 mm)
Length60 ft 2 in (18.34 m)
Width9 ft 11 in (3.02 m)
Height15 ft 4.5 in (4.69 m)
Loco weight242,000 lb (109,769 kg)
Prime moverGE 7FDL-12
Cylinders12
Performance figures
Maximum speed70 mph (113 km/h)
Power output2,250 hp (1,680 kW)
Tractive effort90,000 lb (41,000 kg)

The GE U23B is a 2,250 horsepower diesel-electric locomotive built by GE Transportation from 1968 to 1977. It was one of the most successful models of the Universal Series, with 481 units built, including 16 exported to Peru. The U23B was replaced by the B23-7.