Rail King RK300

Equipment Overview

Make Rail King
Model RK300
Type Side Mount Cab


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Produced on Stewart & Stevenson's Houston manufacturing flow line, Rail King is engineered to provide the Best Value in the industry. Available in several reliable, efficient and cost-effective models, Rail King provides maximum tractive effort up to 33,000 pounds for single-coupled versions, and up to 49,000 pounds for double-coupled versions.

Rail King features side-mount or full-width cabs with dual direction controls, both road wheels and rail wheels for quick, easy mobility on tracks and roadways, the patented cushion coupler system, and an enclosed, insulated cab with 360-degree visibility for operator safety and efficiency. All models feature a three-point Royalglide suspension system.

ModelWeight (lbs.)Tractive Effort (lbs., single coupled)Cab StyleEngine (Cummins QSB)Controls
RK290 G443,25030,300Side MountTier 3 - 173 hpAnalog
RK290 G543,25030,300Side MountTier 4i - 173 hpDigital


Cab Style: Side Mount
Controls: Analog or Digital
Engine (Cummins QSB): Tier 3 - 173 hp or Tier 4 - 173 hp
Tractive Effort: 30,300 lbs
Weight: 43,250 lbs


  • Many factory options available to fit any application, including remote control
  • Insulated cabs with wide entry doors, more head and leg room, easy-to-use controls and 360-degree visibility
  • Systems designed for ease of service, resulting in less downtime and reduced maintenance costs
  • More standard features on all new model Rail King rail car movers
  • Both road wheels and rail wheels for quick and easy mobility on tracks and roadways
  • Patented cushioned coupler system, full floating frame and cab design that provides a smooth ride on rail
  • Royalglide suspension system
  • Common Sense Engineering - maximum efficiency with safety and operator comfort
  • Exceptional performance - typically outperforms competitive models of same class size