ALCO DL537 (RSD37)

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Data Sheet Information Compiled by: JEAN-DENIS BACHAND
New: 26 January 2007 Drawing by: Jean-Denis Bachand
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Engine Builder: American Locomotive Company Engine: V6 4-cycle Model 251D
Bore & Stroke 9" X 10.5"
RPM (Maximum / Minimum) 1025 / 350
Main Generator: GE - GT581 Horsepower: 1050
Gear Ratio: 62:15 Speed: 65 mph
Trucks: 6-Wheel Configuration: C-C
Traction Motor Blowers: Mechanically Driven Model: GE GY27 (four)
Weight: 136,000 lbs Traction Motors: GE 752 (six)
Tractive Effort (starting) 60,000 lbs @ 25% Tractive Effort (continuous): 47,000 lbs @ 8 mph
Multiple Unit Capability: Yes Dynamic Braking: Yes
Auxilary Generator: GE GY27 Alternator: GE GT56
Air Brake: Westinghouse Model: 24RL
Compressor: Westinghouse Model: 3CDC
Boiler Type: PSI:
Quantity Built: 40 Dates: 1965 to 1978
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Exterior Dimensions DL540 (RSD37)
Total Length 53"-02"
Wheel Diameter 36", 40" & 42" optional
Truck Wheel Base 12'-06"
Height to Top Engine Hood 12'-01"
Height to Top Cab Hood 11'-09"
Cab Width 9'-06"
Engine Hood Width 9'-02"
Walkway Width 3'-06"
Height Walkway 8'-06"
Center Bolster 34'-04"
Center Front Truck to Front Pilot 2'-10"
Center Rear Tucrk to Rear Pilot 2'-10"
Distance between Truck Centers 40'-08"
Minimum Turning Radious 30 degrees / degrees
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Fuel Oil: 500 Lubricating Oil: 100
Engine Cooling Water: 140 Sand Capacity: 10 cu. ft.
Options: Truck Width and Tri-Mount World Class
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Reference Sources:
  • Diesel Locomotives, Volume 2, by Bob Hayden
  • Diesel Locomotives: The First 50 Years, by Louis A. Marre
  • Locomotive Brochures by Bombardier
  • Diesel & Electric Locomotives Specifications, 1981, by FK Hudson
  • A Centennial Remembrance, by Richard T. Steinbrenner

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