EMD G8 and GA8

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Data Sheet Information Compiled by: JEAN-DENIS BACHAND
New: 18 October 2006 Artwork by: Jean-Denis Bachand
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Engine Builder: EMD Engine: 567C 8 cylinder
Bore & Stroke 8.5" X 10"
RPM (Maximum / Minimum) 835 / 275
Main Generator: GM - D15 (and D15-E for GA8) Horsepower: 1500
Gear Ratio: 63:14 Speed: 62 mph
Trucks: 4-Wheel Configuration: B-B
Traction Motor Blowers: Delco Electric Drive (4) Model: GM
Weight: 170,640 lbs (and 166,868 lbs for GA8) Traction Motors: Four GM - D27 (and six D19 for GA8
Tractive Effort (starting) 38,000 lbs @ 25% (and 37,000 lbs. for GA8) Tractive Effort (continuous): 28,000 lbs @ 12 mph
Multiple Unit Capability: Yes Dynamic Braking: No
Auxilary Generator: Delco A8102 Alternator: GM D14
Air Brake: Westinghouse Model: 24RL
Compressor: Gardner-Denver Model: WXO
Quantity Built: Not Available (and 32 GA8s) Dates: 1961 to 1967 (and 1954 to 1967 for GA8)
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Exterior Dimensions G8 and GA8
Total Length 47'-04"
Wheel Diameter 40"
Truck Wheel Base 8'-00" (and 10'-06" for GA8)
Height to Top Engine Hood 13'-10"
Height to Top Cab 12'-02"
Cab Width 9'-02"
Engine Hood Width 9'-00"
Top of Walkway 9'-00"
Walkway Width 3'-08.5"
Center Bolster 25'-10"
Center Front Truck to Front Pilot 3'-09"
Center Rear Tucrk to Rear Pilot 3'-09"
Distance between Truck Centers 33'-10"
Minimum Turning Radious 39 degrees
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Fuel Oil: 750 Lubricating Oil: 130
Engine Cooling Water: 190 Sand Capacity: 25 cu. ft. (and 12 cu. for GA8)
Options: Vapor Clarkson Boiler #4625 (@ 2500 lbs./hr.)
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Somebody's Large Digital Image Here
Artwork by: Jean-Denis Bachand
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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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