Athearn RTR 1251 HO Scale EMD SD40-2 Union Pacific UP 8072 DCC/Sound Midget This kit replaces the upper

This kit replaces the upper a-arm from stock Traxxas #7729 and replaces the lower a-arm from stock Traxxas #7730 & #7731

Whether you are a scale driver

Cute accessories will help immerse kids in the nurturing

The Traxxas TRX-4 Ford Bronco sets the standard for scale appearance out on the trail

4 amp (6 - 7 cell

Athearn RTR 1251 HO Scale EMD SD40-2 Union Pacific UP 8072 DCC/Sound Midget This kit replaces the upperAthearn 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