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    • Home
    • About
    • Services
    • Contact
    • Freight Cars NA
      • 60' Gunderson Box Car
      • AutoMax Phase 1
      • 48' Gunderson AP Well Car
      • 52' 6" Trinity Gondola
      • Versacoil 5 Through Ph 1
      • CN 100 Ton NSC Ore Car
    • Detail Parts Scenery
      • Relay & Instrument Shed
    • Intermodal Vehicles
      • Container Chassis
      • Containers
      • Truck Trailers
    • Oilfield Models
      • Propell 2500 Frac Pumper
      • S & S Frac Pumper US
    • Intermodal Equipment
    • Locomotives Passenger
      • MP54AC
      • F40PH-2C/3C
    • Passenger Cars NA
      • Bombardier Series 10 Cars
    • Vehicles
      • Peterbilt 365
      • Peterbilt 379
      • Kenworth W990
      • KW K500
    • Locomotives Freight NA
      • SW1504
      • GP20ECO
      • SD30ECO
      • EMD/NS GP33ECO
      • GMDD SD40-2F
      • GMDD SD50F
      • GMDD SD60F
      • Super 7 B23-S7
    • DCC Electronics
    • Dealer Info
    • Injection Molded Models
    • Product Delivery Schedule
    • ZRF-0001
  • Home
  • About
  • Services
  • Contact
  • Freight Cars NA
  • Detail Parts Scenery
  • Intermodal Vehicles
  • Oilfield Models
  • Intermodal Equipment
  • Locomotives Passenger
  • Passenger Cars NA
  • Vehicles
  • Locomotives Freight NA
  • DCC Electronics
  • Dealer Info
  • Injection Molded Models
  • Product Delivery Schedule
  • ZRF-0001

GMDD SD50F

Prototype Information


The SD50F was a Canadian cowl unit version equipped with a "Draper taper" (inset section aft of cab for limited rear visibility). 60 were built for the Canadian National Railway as road numbers 5400-5459.  Early engine problems resulted in a temporary down-rating to 3,300 horsepower (2,500 kW).  Eventually the units were re-rated to 3,500 horsepower (2,600 kW); however, like their U.S. cousins, they continued to suffer from relatively low reliability, frequently suffering engine, power assembly, and crankshaft failures.
Out of the 60, only six of these locomotives are known to exist today, with the rest of the fleet scrapped

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Model Scales

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