EMD SDP40

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Data Sheet Information Compiled by: JEAN-DENIS BACHAND
New: 21 July 2006  Artwork by: Jean-Denis Bachand
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Engine Builder: EMD Engine: 645E3 16 cylinder
Bore & Stroke 8.5" X 10"
RPM (Maximum / Minimum) 900 / 215
Main Generator: GM - D32 Horsepower: 3000
Gear Ratio: 59:15 Speed: 95 mph
Trucks: 6-Wheel Configuration: C-C
Traction Motor Blowers: Electrical Drive (2) Model: GM
Weight: 368,000 lbs Traction Motors: Six GM - D77
Tractive Effort (starting) 90,000 lbs @25% Tractive Effort (continuous): 82,100 lbs @ 6.6 mph
Multiple Unit Capability: Yes Dynamic Braking: Yes
Auxilary Generator: GM Alternator: Delco 64-72
Air Brake: Westinghouse Model: 26L
Compressor: Gardner-Denver Model: WBO
Quantity Built: 14 (includes 14 Mexican units) Dates: 6/1966 to 5/1970
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Exterior Dimensions SDP40
Total Length 65'-08"
Wheel Diameter 40"
Truck Wheel Base 13'-07"
Height to Top Engine Hood 15'-02"
Height to Top Cab 15'-07.5"
Cab Width 10'-04"
Top of Walkway 8'-09.5"
Walkway Width 3'-08.5"
Engine Hood Width 10'-03"
Center Bolster 40'-00"
Center Front Truck to Front Pilot 3'-09"
Center Rear Truck to Rear Pilot 3'-09"
Distance between Truck Centers 53'-07"
Minimum Turning Radious 57 degrees
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Fuel Oil: 3200 Lubricating Oil: 243
Engine Cooling Water: 295 Sand Capacity: 56 cu. ft.
Options: Vapor-Clarkson Steam Boiler AR4125
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Reference Sources:
  • Diesel Locomtoives, Vol.2, by Bob Hayden
  • Illustrated Treasury of GM Locomotives, by James W. Kerr
  • Diesel Locomotives, The First 50 Years by Louis A. Marre
  • The Second Diesel Spotter's Guide, by Jerry A. Pinkepank
  • "Early Diesel and Electric Locomotives," Rail Heritage Publications
  • Diesel & Electric Locomotive Specificiations, 1981 by F.K. Hudson
  • Train Shed Cyclopedia, Vol. 20, 58, 60, 64, 80

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