EMD SW7

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Data Sheet Information Compiled by: JEAN-DENIS BACHAND
New: 10 Feb. 2014  Artwork by: Jean-Denis Bachand
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Engine Builder: EMD Engine: 567A 6 cylinder
Bore & Stroke 8" X 10"
RPM (Maximum / Minimum) 800 / 275
Main Generator: GM - D15C Horsepower: 1200
Gear Ratio: 62:15 Speed: 65 mph
Trucks: 4-Wheel Configuration: B-B
Traction Motor Blowers: Mechanical Drive (1) Model: GM
Weight: 248,000 lbs Traction Motors: GM - D37 (four)
Tractive Effort (starting) 62,000 lbs @25% Tractive Effort (continuous): 36,000 lbs @ 11.0 mph
Multiple Unit Capability: Optional Dynamic Braking: No
Auxilary Generator: GM Alternator: Delco
Air Brake: Westinghouse Model: 24EL
Compressor: GMD Model: WXO
Quantity Built: 493 Dates: 10/1949 to 1/1951
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Exterior Dimensions SW7
Total Length 44'-05"
Wheel Diameter 40"
Truck Wheel Base 8'-00"
Height to Top Engine Hood 11'-07.6"
Height to Top Cab 14'-06"
Cab Width 10'-02"
Top of Walkway 4'-07.5"
Engine Hood Width 7'-00"
Distance between Truck Centers 22'-00"
Wheel Base (locomotive) 30'-00"
Minimum Turning Radious 39 degrees
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Fuel Oil: 600 Lubricating Oil: 165
Engine Cooling Water: 220 Sand Capacity: 28 cu. ft.
Options: None
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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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