BLW S-8 & S-12

Technical Data

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New: 3 November 2020 Data Sheet and drawing by: JEAN-DENIS BACHAND
New: 18 February 2006 --
Engine Builder: BLW 4-cycle Model 606A NA / 606A SC
Bore & Stroke 12.5" X 15.5"
RPM (Maximum) 625
Main Generator: Westinghouse - WE480 Horsepower: 800 / 1200
Gear Ratio: 68:14 Speed: 60 mph
Trucks: 4-Wheel Configuration: B-B
Weight: 240,000 lbs. Traction Motors: Westinghouse - WE362 (four)
Tractive Effort (starting) 59,550 / 72,000 lbs @ 30% Tractive Effort (continuous): 34,000 lbs @ 6.8 / 10.8 mph
Multiple Unit Capability: No Dynamic Braking: No
Air Brake: Westinghouse Model: 6S / 6SL
Quantity Built: 61 (5/1951 to 12/1954) / 452 (6/1950 to 8/1956
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Total Length 46'-00" / 48'-)0
Pilot to Pilot: 37'-03"
Wheel Diameter 40"
Truck Wheel Base 8'-00"
Height to Top Engine Hood 12'-03.2"
Height to Top Cab Hood 14'-03"
Distance between Truck Centers 30'-08" / 33'-06"
Center Bolster 22'-08" / 25'-06"
Minimum Turning Radious 21 degrees
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Fuel Oil: 650 / 650 gal. Lubricating Oil: 105 / 170 gal.
Engine Cooling Water: 250 / 250 gal. Sand Capacity: 30 cu. ft.
Reference Sources:
  • Diesel Locomtoives, Vol.2, by Bob Hayden
  • Baldwin Diesel Locomotives by Stephen F. & Gary W. Dolzall
  • Illustrated Treasury of Baldwin Locomotives by James W. Kerr
  • Diesel Locomotives, The First 50 Years by Louis A. Mare
  • "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
  • Railroad Model Craftsman, November 1969
  • Railroad Modeler, March 1975

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