Auxiliary Power Unit (APU)
Auxiliary Power Units or Generator Sets are small horsepower diesel engines placed on locomotives allowing idling locomotives to be shut down automatically while maintaining main engine systems The APU keeps the locomotive engine coolant water and lubricating oil at preset temperatures and maintains the batteries charge. APU systems can also provide electrical current allowing for cab heating and cooling and provide and electrical power for hotel loads.
The following APU/GS systems are SmartWay verified for locomotives:
- Teleflex Ecotrans L.P. http://www.teleflexpower.com (519) 576-4270
- Kim Hotstart Manufacturing Company http://www.hotstart.com (509) 534-6171
