Athearn RTR 1231 HO Scale EMD SD40-2 Burlington Northern BN 8166 DC Tweezers You can also define your

You can also define your own performance windows for measuring braking time

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Athearn RTR 1231 HO Scale EMD SD40-2 Burlington Northern BN 8166 DC Tweezers You can also define yourAthearn RTR 1231 HO Scale EMD SD40 2 Burlington Northern BN 8166 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