Athearn RTR 1816 HO Scale EMD SD40-2 Reading & Northern RBMN 1983 DCC/Sound Roadname_Union Pacific - UP Polished Shock shafts

Polished Shock shafts

Powerful 7-Pole Precision Flywheel-Equipped Motor

aluminum (black-anodized)

05 inches (52mm) (center)

Athearn RTR 1816 HO Scale EMD SD40-2 Reading & Northern RBMN 1983 DCC/Sound Roadname_Union Pacific - UP Polished Shock shaftsAthearn RTR 1816 HO Scale EMD SD40 2 Reading & Northern RBMN 1983 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