EMD F3A and F3B

BAR F3A #45 depicted here
Data Sheet Information Compiled by: JEAN-DENIS BACHAND
Revised: 4 Dec. 2012 / New: 6 May 2006  Artwork by: Jean-Denis Bachand
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Engine Builder: Winton Engine: 567B 16 cylinder
Bore & Stroke 8" X 10"
RPM (Maximum / Minimum) 800 / 275
Main Generator: GM - D12 Horsepower: 1500
Gear Ratio: 62:15 Speed: 65 mph
Trucks: 4-Wheel Configuration: B-B
Traction Motor Blowers: Electrical Drive (4) Model: GM
Weight: 230,000 lbs (and 228,000 for F2B) Traction Motors: GM - D17B (four)
Tractive Effort (starting) 55,000 lbs @25% Tractive Effort (continuous): 40,000 lbs @ 9.3 mph
Multiple Unit Capability: Yes Dynamic Braking: Yes
Auxilary Generator: Delco A8102 Alternator: D14
Air Brake: Westinghouse Model: 24RL
Compressor: Gardner Denver Model: WBO
Quantity Built: 1111 (and 696 F3Bs) Dates: 7/1945 to 2/1949
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Exterior Dimensions F3A (and F3B)
Total Length 50'-08" (and 50'-00" for F3B)
Wheel Diameter 40"
Truck Wheel Base 9'-00"
Total Wheel Base 39'-00"
Height to Top Engine Hood 14'-01.5"
Height to Top Cab 15'-00" (N/A for F3B)
Cab Width 10'-07" (N/A for F3B)
Engine Hood Width 9'-10"
Center Front Truck to Front Pilot 9'-11" (and 5'-6" for F3B both ends)
Center Rear Truck to Rear Pilot 8'-6"
Distance between Truck Centers 39'-00"
Minimum Turning Radious 30 degrees
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Fuel Oil: 1200 Lubricating Oil: 200
Engine Cooling Water: 230 (and 215 for F3B) Sand Capacity: 16 cu. ft.
Options: Vapor Clarkson Boiler (Model OK4616): 1200 lbs/hr (and Model OK4625: 1800/lbs/hr for F2B)
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BAR F3B #600 depicted 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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