Athearn RTR 1226 HO Scale EMD SD40-2 Union Pacific UP 8072 DC Code 70 Steering servo

Steering servo

Low friction trucks with rotating bearing caps (2-Rail and 3-Rail)

which is of great benefit while driving and makes unloading as easy as can be

One Achilles’ Heel of the GP30 was its complex electrical system

Athearn RTR 1226 HO Scale EMD SD40-2 Union Pacific UP 8072 DC Code 70 Steering servoAthearn RTR 1226 HO Scale EMD SD40 2 Union Pacific UP 8072 DC 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 systems