Athearn RTR 1228 HO Scale EMD SD40-2 Wisconsin & Southern WAMX 4050 DC GS02 and the geometry of this

and the geometry of this range has been cleverly designed to make it easy to build convenient

The factory-installed brushless power system features a 70-amp Spektrum™ Avian™ Smart Lite ESC plus a specially-tuned motor and 4-blade prop that deliver an abundance of thrust with a 3S LiPo battery

In appearance

locker/spool

Super-strong composite diff case with integrated 37T bevel gear for increased durability under extreme loads

Athearn RTR 1228 HO Scale EMD SD40-2 Wisconsin & Southern WAMX 4050 DC GS02 and the geometry of thisAthearn RTR 1228 HO Scale EMD SD40 2 Wisconsin & Southern WAMX 4050 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