Athearn 71628 HO Scale EMD SD40-2 Norfolk Southern Maersk NS 3329 DCC and Sound - Like New USED Scale_ N Scale CHASSIS MOUNTED SERVO (CMS): The

CHASSIS MOUNTED SERVO (CMS): The chassis-mounted servo provides maximum steering while maintaining scale looks

Two pairs of included 5g and 10g weights allows to further change the weight bias

Like the F3 and F7 of the same time period

Operates With Proto-Sound 3

In Volume 4 of Railfanning With the Bednars

Athearn 71628 HO Scale EMD SD40-2 Norfolk Southern Maersk NS 3329 DCC and Sound - Like New USED Scale_ N Scale CHASSIS MOUNTED SERVO (CMS): TheAthearn 71628 HO Scale EMD SD40 2 Norfolk Southern Maersk NS 3329 DCC and Sound Like New USED 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