Athearn 72072 HO Scale RTR EMD SD40T-2 Rio Grande D&RGW 5350 Maxx Slash The Keep Alive® (KA) devices

The Keep Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work

Our mounting system allows roughly 1/4” (6mm) of upward adjustment and more room to slide them closer to the frame than stock sliders for narrow-bodied applications

Front half of wheels (Gloss white in color) x 2

Telemetry switch function

Athearn 72072 HO Scale RTR EMD SD40T-2 Rio Grande D&RGW 5350 Maxx Slash The Keep Alive® (KA) devicesAthearn 72072 HO Scale RTR EMD SD40T 2 Rio Grande D&RGW 5350 The SD40T 2 is a 6 axle diesel electric locomotive built by General Motors Electro Motive Division having a 16 cylinder EMD 645E3 diesel engine producing 3,000 horsepower (2,240 kW). 312 SD40T 2s were built for North American railroads between April 1974 and July 1980. This locomotive and the SD45T 2 are popularly called tunnel motors, but EMDs term is SD40 2s with cooling system