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Data Sheet Information Compiled by: R. Craig
New: 20 September 2006 Artwork by: Jean-Denis Bachand
Engine Builder: EMD Engine: 710G3C-ES 16 cylinder
Bore & Stroke 9.02" X 11"
RPM (Maximum / Minimum) 904 /318
Main Generator: GM TA17/CA7A Horsepower: 4000
Gear Ratio: 70:17 Speed: 70 mph
Trucks: HTC-RII 6-Wheel Configuration: C-C
Traction Motor Blowers: Electrical Drive (4) Model: ?
Weight: 415,000 lbs Traction Motors: Six GM 1TB2630
Tractive Effort (starting) 175,500 lbs @33% Tractive Effort (continuous): 137,000 lbs @ 12 mph
Multiple Unit Capability: Yes Dynamic Braking: Yes
Auxilary Generator: GM A8589 Alternator: GM CA7A
Air Brake: Westinghouse Model: 26L
Wheel Slip Control: EMD Model: EM 2000es
Compressor: Gardner-Denver Model: WLASC
Quantity Built: ? Dates: 11/1993 to Present
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Exterior Dimensions SD70MAC
Total Length 74'-00"
Wheel Diameter 42"
Truck Wheel Base 13'-07"
Height to Top Engine Hood 14'-08.5"
Height to Top Cab 15'-07.5"
Cab Width 10'-03"
Top of Walkway 9'-04.5"
Walkway Width 3'-08.5"
Engine Hood Width 10'-00"
Center Bolster 46'-07"
Center Front Truck to Front Pilot 2'-03"
Center Rear Truck to Rear Pilot 2'-03"
Distance between Truck Centers 60'-02"
Minimum Turning Radious 29 degrees
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Fuel Oil: 5000 Lubricating Oil: 450
Engine Cooling Water: 390 Sand Capacity: 40 cu. ft.
Options: Whisper Cab
Reference Sources:
  • Diesel Locomotives, Vol. 2, by Bob Hayden
  • Illustrated Treasury of GM Locomotives by James W. Kerr
  • Diesel Locomotives, The First 50 Years, by Louis A. Marre
  • Diesel Locomotives by Greg McDonnell

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