Rapido 50609 HO Scale EMD SD7 Diesel EMD Demonstrator 991 with DCC & Sound Kraton 6S Rock Racer clear body with

Rock Racer clear body with roof & decal sheet

The manually selectable unit adds a low gear option for incredible rock-crawling torque

each adds an extra DB9 serial input/output connector to your LCS system

Team Associated 21595 Mini Pin Tires Mounted on White Narrow Wheels for Reflex 14

Rapido 50609 HO Scale EMD SD7 Diesel EMD Demonstrator 991 with DCC & Sound Kraton 6S Rock Racer clear body withRapido 50609 HO Scale EMD SD7 Diesel EMD Demonstrator 991 with DCC & Sound The SD7 was General Motors Electro Motive Divisions first foray into 6 axle power. The SD stood for Special Duty, while the 7 was carried over for the 4 axle GP7 series. This new series of locomotives provided extra tractive effort spread and weight distribution across the six axle trucks. Production lasted from May of 1951 to November of 1953. A total of 188 units were built