Overview Product Description Atlas O (former MTH premier) MTH Union Pacific SD40, 3 rail, P3.0 (SD40N numbering) Full O scale size 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 Prototypical Rule 17 Lighting Directionally Controlled Constant voltage LED Headlights (2) Precision Flywheel Equipped Motors Locomotive Speed Control In Scale MPH Increments Diesel Exhaust freely Rotating roof fans Proto-Sound 3.0 With The Digital Command System Featuring: Freight Yard Proto-Effects Road number may be different than pictured-- Questions? E-Mail us at pdt212@gmail.com or call 805-226-0320. Product Videos Custom Field Product Reviews