APU, auxiliary power unit         
This is the type of APU that MRL has been using on some of the older units, primarly the SD45's for fuel savings. A computer will shut down the main engine and use this little diesel to circulate warm coolant and oil while also charging the battery.
Date: 12/2/2009 Location: Livingston, MT   Map Show Livingston on a rail map Views: 142 Collection Of:   Kevin Gilbert
Author:  Kevin Gilbert
APU, auxiliary power unit
Picture Categories: This picture is part of album:  Livingston MT
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Name Type Comments Date
Bernie Feltman General Another nice view!! 12/6/2009 10:43:21 PM

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