Athearn RTR 1237 HO Scale EMD SD40-2 Kansas City Southern KCS 681 DC Era_1952+ Dropped center section accommodates models

Dropped center section accommodates models w/uneven chassis bottoms

Timer (wrap / interval / down)

This small

The AMP MT is even upgradable to be ready when you want to take your next rampage to the next levels

The Titan® 12T 550 motor pumps out incredible power with an integrated cooling fan to keep temperatures down

Athearn RTR 1237 HO Scale EMD SD40-2 Kansas City Southern KCS 681 DC Era_1952+ Dropped center section accommodates modelsAthearn RTR 1237 HO Scale EMD SD40 2 Kansas City Southern KCS 681 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