General Electric U18B

PRODUCTION ROSTER

Somebody's Large Digital Image Here
Revised: 29 Sept. 2011 Photograph by : xxxxxxx
- Info Supplied by : John Komanesky
Original owner Road Numbers Qty. Bldr Numbers Batch/Order Nos. Bldr Dates
Maine Central 400-409 10 40720-40729 2824 5/75
National de Mexico 9000-9011 12 39641-39652 2810 1-2/74
9012-9019 8 39653-39660 2810 3-4/74
9020-9037 18 39661-39678 2810 7-9/74
9038-9044 7 39679-39685 2810 10/74
Providence & Worcester 1801 1 41482 1408-1 10/76
Seaboard Coast Line 250-261 12 39407-39418 2807 12/73
300-309 10 38847-38856 2801 3-5/73
310-324 15 38857-38871 2802 3-5/73
325-343 19 39388-39406 2807 11-12/73
344-392 49 39852-39900 2900 8-11/74
Texas Utilities 101, 102 2 39506, 39507 2826 2/74

Source of information: Extra 2200 South. Corrections / additions provided by; John Whittingham.

Batch/order numbers provided by Dave Dallner.

General Electric U18B

Technical Data

Drawing and Data by: Jean-Denis Bachand
 
GE Engine FDL8 (4-cycle, V-Type) 1800 hp Bore & Stroke: 9.0" x 10.5" RPM (Max. / Min.): 1050 / 650 Loco Wgt: 219,000 lbs.
Powertrain Main Gen.: GT581 / GTA-11 Traction Motors: GE-752-E6 (four) Tractive Force (starting): 83,500 lbs @ 25% Tractive Force (continuous): 57,500 lbs @ 10.7 mph T/M Blowers: GE NC330 (2)
Trucks Type: B-B (2 axle) Wheel Dia: 40" Speed: 70 mph / Gear Ratio: 74:18 Turning Radius (min): 21 degrees Wheelbase: 9-4"
Operation M/U Capability Dyn. Braking Auxillary Generator: GY27 Air Comp.: Westinghouse 3CDC Air Brake: West. 26NL
Capacities

Fuel Oil: 1700 gal.

Lub Oil: 160 gal.

Cooling Water: 330 gal.

Sand: 60 cubic feet (?)

Option: 2900 gal. Fuel

Dimensions Total Length: 54'-8" Bolster: 30'-8" Pilot-to-Pilot (distance): --- Engine Hood Heighth *: 14'-9.5" Cab Heighth*: 14'-4.5"
Dimensions Cab Width: 10'-3" Top of Walkway: 9'-1.5" Length over handrails: --- Distance between Truck Centers: ?
* Distance is from top of railhead.

Reference Sources:

  • GE Advanced Generation, 1989, by James W. Kerr
  • GE Locomotives, volumes 1 & 2, 1981, by James W. Kerr
  • Car & Locomotive Cyclopedia, 1984, by Simmons & Boardman
  • The Modern Locomotive Handbook, 1979, Railway Fuel & Operating Officers Assn.
  • Diesel & Electric Locomotive Specifications, 1981, by F. K. Hudson.
  • GE Advanced Generation, 1989, by James W. Kerr
  • GE U18B Manual

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