GE U12B

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Data Sheet Information Compiled by: JEAN-DENIS BACHAND
New: 7 April 2007 Drawing by: Jean-Denis Bachand
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Engine Builders: Cooper Bessemer 4-cycle Engine: FVBL-8T
Bore & Stroke 9.0" X 10.5"
RPM (Maximum / Minimum) 1000 / 400
Main Generator: GE - GT601 Horsepower: 1200
Gear Ratio: 93:18 Speed:64 mph
Trucks: 4-Wheel Configuration: B-B
Traction Motor Blowers: Mechanically Driven Model: GE GY27 (two)
Weight: 124,000 lbs Traction Motors: GE 761 (four)
Tractive Effort (starting) 38,400 lbs @ 30% Tractive Effort (continuous): 27,000 lbs @ 8 mph
Multiple Unit Capability: Yes Dynamic Braking: Yes
Auxilary Generator: GE GY27 Alternator: GE GMG-146
Air Brake: Westinghouse Model: 26LA
Compressor: Westinghouse Model: 2CDC
Quantity Built: Unknown Dates: 1957 to 1984
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Exterior Dimensions U12B
Total Length 38'-04" (Phase 1) and 46'-4" (Phase 2)
Wheel Diameter 36"
Truck Wheel Base 7'-02"
Height to Top Engine Hood 12'-00"
Height to Top Cab 11'-10"
Cab Width 9'-00"
Engine Hood Width 8'-10"
Walkway Width 4'-00"
Height Walkway 8'-06"
Center Bolster 21'-10"
Center Front Truck to Front Pilot 0'-06"
Center Rear Tucrk to Rear Pilot 0'-06"
Distance between Truck Centers 28'-08"
Minimum Turning Radious 57 degrees
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Fuel Oil: 400 Lubricating Oil: 140
Engine Cooling Water: 120 Sand Capacity: 12 cu. ft.
Options:
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Reference Sources:
  • GE Advanced Generation,1989, by James W. Kerr
  • GE Locomotives, Volume 1, 1981 by James W. Kerr
  • GE Locomotives, Volume 2, 1981 by James W. Kerr
  • The Car & Locomotive Encyclopedia, 1984, Simmons & Boardman Publications
  • The Modern Locomotives Handbook, 1979, Railway Fuel & Operating Officers Association
  • Diesel & Electric Locomotive Specifications, 1981 by F.K. Hudson
  • GE Export U-Series Model Evolution, by Steve Palmano

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