SKU: ASD4 This full featured 4 function BEMF decoder is designed for the following Atlas N Scale engines: GP7, GP9, GP15, GP30, and GP35. Included is our auto-adjusting BEMF for outstanding slow speed performance and hassle free set up. Also includes Quiet Drive for super quiet engine performance.

     *OUR TRAINED STAFF WILL INSTALL IN LOCOMOTIVE PURCHASED FROM US AT SAME TIME FOR $15.00 EXTRA