MLW MX-624

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Data Sheet Information Compiled by: JEAN-DENIS BACHAND
New: 18 February 2007 Drawing by: Jean-Denis Bachand
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Engine Builder: American Locomotive Company Engine: V12 4-cycle Model 251E
Bore & Stroke 9" X 10.5"
RPM (Maximum / Minimum) 1050 / 350
Main Generator: GE - GT581 Horsepower: 2400
Gear Ratio: 62:15 Speed: 65 mph
Trucks: 6-Wheel Configuration: C-C
Traction Motor Blowers: Mechanically Driven Model: GE GY27 (four)
Weight: 244,700 lbs Traction Motors: GE 752 (six)
Tractive Effort (starting) 70,540 lbs @ 25% Tractive Effort (continuous): 30,860 lbs @ 24 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: 69 Dates: 1975 to 1983
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Exterior Dimensions MX-624
Total Length 54'-04.5"
Wheel Diameter 36", 40" & 42" optional
Truck Wheel Base 11'-02"
Height to Top Engine Hood 12'-11.5"
Height to Top Cab 12'-09.5"
Cab Width 10'-00.5"
Engine Hood Width 9'-09.5"
Walkway Width 3'-06"
Height Walkway 8'-06"
Center Bolster 31'-09"
Center Front Truck to Front Pilot 1'-10"
Center Rear Tucrk to Rear Pilot 1'-10"
Distance between Truck Centers 49'-04"
Minimum Turning Radious 27 degrees / degrees
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Fuel Oil: 1320 Lubricating Oil: 259
Engine Cooling Water: 312 Sand Capacity: 14 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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