Athearn RTR 1256 HO Scale EMD SD40-2 SOO Line 781 DCC/Sound TT01 The Grex Genesis

The Grex Genesis

BATTERY FEATURES:

#3777 Phase II GRIP rebuild “E”

Dynamic brake vent per prototype

available on Google Play and the App Store

Athearn RTR 1256 HO Scale EMD SD40-2 SOO Line 781 DCC/Sound TT01 The Grex GenesisAthearn RTR 1256 HO Scale EMD SD40 2 SOO Line 781 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 systems