Athearn RTR 1251 HO Scale EMD SD40-2 Union Pacific UP 8072 DCC/Sound Midget Tire width: 8mm

Tire width: 8mm

Available in popular blue and gold compounds

Track piece measures 9"L

The VS4-10 chassis is developed to work with the included Vanquish Products VFD transmission

Athearn RTR 1251 HO Scale EMD SD40-2 Union Pacific UP 8072 DCC/Sound Midget Tire width: 8mmAthearn RTR 1251 HO Scale EMD SD40 2 Union Pacific UP 8072 DCC Sound The SD40 2 was introduced in January 1972 as part of EMDs Dash 2 series, responding to competing products from GE and ALCO. Reliability and versatility of the 3,000 horsepower SD40 2 made it the best selling model in EMDs history and the standard of the industry for several decades after its introduction. The SD40 2 was an improvement over the SD40, with modular electronic control