MLW RS-23 (DL811 & 811A)

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Data Sheet Information Compiled by: Jacques Belanger
New: 2 April 2005 Drawing by: Jean-Denis Bachand
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Engine Builder: Dominion Engineering Works Engine: 4-cycle Model 251D 6L
Bore & Stroke 9" X 10.5"
RPM (Maximum / Minimum) 1025 / 375
Main Generator: GE - GT740 Horsepower: 1000
Gear Ratio: 74:18 Speed: 60 mph
4-Wheel Configuration: B-B
Traction Motor Blowers: Mechanical Driven (2) Model: ?
Weight: 246,500 lbs Traction Motors: GE 752 (six)
Tractive Effort (starting) 58,750 lbs @ 25% Tractive Effort (continuous): 42,000 lbs @ 8 mph
Multiple Unit Capability: Yes Dynamic Braking: Yes
Auxilary Generator: -- Alternator: --
Air Brake: Westinghouse Model: 26L
Compressor: Westinghouse Model: 3CDC
Boiler Type: -- Lbs/hr: --
Quantity Built: 57 Dates: 8/1959 to 9/1960
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Exterior Dimensions RS-23
Total Length 46'-03"
Pilot to Pilot 37'-03"
Wheel Diameter 40"
Truck Wheel Base 9'-04" (Heavy) / 8'-00" (Light)
Height to Top Engine Hood 13'-09"
Height to Top Cab Hood 15'-02"
Cab Width 10'-00"
Top Walkway Width 7'-09"
Walkway Width 5'-00"
Engine Hood Width 9'-11"
Center Bolster 22'-03"
Center Front Truck to Front Pilot 7'-06"
Center Rear Tucrk to Rear Pilot 7'-06"
Distance between Truck Centers 26'-03"
Minimum Turning Radious 21 degrees
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Fuel Oil: 950 Lubricating Oil: 90
Engine Cooling Water: 120 Sand Capacity: 27 cu. ft.
Options: Dynamic Brakes
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Somebody's Large Digital Image Here
Somebody's Large Digital Image Here
Drawings by: Jacques Belanger
Reference Sources:
  • MLW Design Data
  • Canadian Pacific Mechanical Data Book
  • The Diesel Builders, Vol.2 by John F. Kirkland

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