Cummins Engine(s) in 915 , 916 , 920 Trucks

[Old Lincoln County Iron]

I have seen alot of 915, 916 and 920 Trucks lately with the Cummins engines
in them painted black and some with the original Cummins paint. Is there any
significance in the difference? Also the trucks that were/are overhauled at Texas RSMS, what all is done to them in the "overhaul"? Thanks!!!

 

[wreckerman893]

I don't know about the overhaul question but as far as the engine color I have seen both colors and my guess is that the black ones are rebuilds.

I make this guess based on my visit to the rebuild facility at Camp Shelby, MS. The painted the Cummins engines out of the 800 and 900 series black when they overhauled them there.