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Data Sheet Information Compiled by: Jean-Denis Bachand
Revised: 8 June 2007 Artwork by: Jean-Denis Bachand
Engine Builder: EMD Engine: 265H 16-cylinder
Bore & Stroke 10.45" X 11.80"
RPM (Maximum / Minimum) 1000 /225
Main Generator: TA22CA8 Horsepower: 6000
Gear Ratio: 70:17 Speed: 70 mph
Trucks: HTC-RII 6-Wheel Configuration: C-C
Traction Motor Blowers: Delco Model: Electrical Drive (4)
Weight: 415,000 lbs Traction Motors: Six GM 1TB2630
Tractive Effort (starting) 200,000 lbs @ 32% 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
Wheelslip Control: GM Model: EM2000es
Compressor: Gardner-Denver Model: WLASC
Quantity Built: 410 Dates: 10/1995 to Present
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Exterior Dimensions SD90MAC
Total Length 80'-02"
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 54'-06"
Center Front Truck to Front Pilot 2'-03"
Center Rear Truck to Rear Pilot 2'-03"
Distance between Truck Centers 68'-00"
Minimum Turning Radious 29 degrees
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Fuel Oil: 5000 Lubricating Oil: 450
Engine Cooling Water: 390 Sand Capacity: 40 cu. ft.
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

Thank you to the following individual(s) for corrections: Fr. Bernard Carman.

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