Overview Similar Products –> Product Description MTH Premier 20-21937 CSX/Chessie Heritage ES-44 Diesel. 3 rail Full O scale size 3 rail Intricately Detailed ABS Body Die-Cast Truck Sides, Pilots and Fuel Tank Die-Cast Metal Chassis Metal Handrails and Decorative Horn Authentic Paint Scheme Metal Wheels, Axles and Gears Electrocouplers on 3 rail model Prototypical Rule 17 Lighting Directionally Controlled Constant voltage LED Headlights (2) Precision Flywheel Equipped Motors Locomotive Speed Control In Scale MPH Increments Diesel Exhaust Proto-Sound 3.0 With The Digital Command System with station sounds proto effects Minimum curve for 3 rail O-42 recommended Questions? E-Mail us at [email protected] or call 805-226-0320. Product Videos Custom Field Product Reviews