GE U18B

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GE U18B
Niax407-070502.jpg
A Maine Central Railroad U18B, on lease to the short-lived Niagara and Western New York Railroad, July 2002
hideType and origin
Power typeDiesel-electric
BuilderGeneral Electric
ModelU18B
Build dateMarch 1973 – October 1976
Total produced163
hideSpecifications
Configuration:
 • AARB-B
 • UICBo′Bo′
Gauge4 ft 8+12 in (1,435 mm) standard gauge
Length54 ft 8 in (16.66 m)
Prime moverGE 7FDL
Engine typeV8 4-stroke diesel
AspirationTurbocharger
Displacement5,344 cu in (87.57 L)
Cylinders8
Cylinder size9 in × 10.5 in (228.6 mm × 266.7 mm)
TransmissionDC generator, DC traction motors
Loco brakeStraight air, Dynamic
Train brakes26-L Air
hidePerformance figures
Power output1,800 hp (1.34 MW)
hideCareer
LocaleNorth America

The GE U18B diesel-electric locomotive was introduced by GE Transportation as a branch line roadswitcher in 1973. It was the only North American locomotive powered by the 8-cylinder 7FDL engine.[citation needed]

Original Owners[]


Railroad Quantity Numbers Notes
Maine Central Railroad 10 400–409 Blomberg trucks
Ferrocarriles Nacionales de México 45 9000–9044 AAR type-B trucks
Providence and Worcester Railroad 1 1801 FB-2 trucks
Seaboard Coast Line Railroad 105 250–261, 300–392 325-392 with Blomberg trucks, all others FB-2
Texas Utilities 2 101–102 AAR type-B trucks

References[]

  • "Chapter 1". Locomotive Service Manual: Running Maintenance and Trouble-Shooting for Series-7 Road Locomotives. GEK-30150. General Electric Company. 1978.
  • GE Transportation. Operating Manual - Diesel-Electric Locomotive - GEJ-3856C (1973).

External links[]

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