Auxiliary Power Unit

Hotstart Idle Reduction Systems end needless cold weather idling of locomotive engines when away from a rail yard. By using the locomotives’ own on-board diesel supply, this Hotstart heating system provides prime movers all the benefits of engine heating, including easy starts, low fuel usage, low emissions, and reduced maintenance. Our advanced heating systems can heat standard water or coolant mixes, lubrication oil, and cab heat for operators.  

Market served: Railroad

Hotstart’s diesel fueled APU Idle Reduction Heater keeps locomotive engines warm in cold weather instead of idling engines

The HOTSTART Auxiliary Power Unit (APU) heating system is a self-contained water/coolant and oil preheater for locomotive prime movers. Utilizing an efficient Tier 4 Final engine, the APU consumes…

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