MTH RailKing Scale FP45 Diesel Engine – Santa Fe


Authorized Retailer Berwyn’s Toys & Trains in Berwyn, Illinois.

  • Road Name: Santa Fe
  • Cab Numbers: 5942 & 5946
  • Product Line: RailKing Scale
  • Scale: O Scale
  • High Rail Wheels
  • Proto-Sound 3.0
  • Estimated Release: 3rd Quarter 2024
SKU: N/A Category:


  MTH Custom Run / MTH Special Run

Designed in 1967 at the request of the Santa Fe, the FP45 was basically an SDP45 road switcher with a streamlined cab unit body. The “P” in FP45 indicated a passenger diesel with a steam generator for train heat. Having a sleeker, more aerodynamic look than a road switcher, the FP45 blended better with its passenger consists; the fully enclosed body also reduced wind resistance and allowed the crew to perform troubleshooting and minor maintenance on the road.

Purchased for passenger service by the Santa Fe and the Milwaukee Road, the 3600 hp FP45s replaced first-generation E-unit and F-unit diesel sets and eventually found themselves handling freight duties as well. By 1971, the units remaining in passenger service were working exclusively for Amtrak. A sister engine, the F45, was bought for freight-only service by the Santa Fe, Great Northern, and Burlington Northern.

Having first appeared in the M.T.H. Premier Line in 1997, the FP45 joined the RailKing Scale diesel lineup in 2005. Built to 1/48 scale proportions and now outfitted with Proto-Sound 3.0, the FP45 includes all the features that make RailKing Scale locomotives one of the best values in model railroading.


  • Intricately Detailed, Durable ABS Body
  • Die-Cast Truck Sides, Pilots and Fuel Tank
  • Metal Chassis
  • Metal Handrails and Horn
  • (2) Handpainted Engineer Cab Figures
  • Colorful Paint Scheme
  • Metal Wheels, Axles and Gears
  • (2) Remote-Controlled Proto-Couplers
  • Prototypical Rule 17 Lighting
  • Directionally Controlled Constant Voltage LED Headlights
  • (2) Precision Flywheel-Equipped Motors
  • Operating ProtoSmoke Diesel Exhaust
  • Onboard DCC/DCS Decoder
  • Locomotive Speed Control In Scale MPH Increments
  • 1:48 Scale Proportions
  • Proto-Sound 3.0 With The Digital Command System Featuring Freight Yard Proto-Effects
  • Unit Measures: 18 1/2” x 2 9/16” x 4”
  • Operates On O-31 Curves

Additional information

cab #

30-21226-1, Cab No. 5942, 30-21227-1, Cab No. 5946


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