This is a Broadway Limited 6775 HO Atchison Topeka Santa Fe EMD SD40 2 Locomotive 5056 Paragon4 Sound Control System featuring ROLLING THUNDER Integral Dual Mode Decoder with Back EMF for Superb Slow Speed Operation in DC and DCC Precision Drive Mechanism Engineered for Heavy Towing and Smooth Slow Speed Operation 5 Pole Can Motor with Skew Wound Armature All Wheel Electrical Pick up ABS Plastic Body with Die Cast Chassis Premium Caliber Painting Prototypically Accurate Paint Schemes and Road Numbers Many Applied Details such as Handrails Grab Irons Fans Sunshades Antennas and More Specifications . Road Name Atchison Topeka and Santa Fe. Model Type Diesel Loco. Age Level 17 Years Up. Scale 1 87