I have had a 2012 4900 western star dd15/560 on the road for 2 1/2 years and just replaced my 07 4900/550 acert cat/ with a 2014 4900 dd16/600....
Update 2- Still have intermittent high charge, but have narrowed it a bit. Cleaned all battery connections, load tested the batteries, checked the...
Todays update-- and thanks to everyone for the useful suggestions. Had a driver on the truck all day and it never missed a beat. The answer to...
2012 Western Star DD15 Delco alternator, I'm driving in the dark in the morning and the lights suddenly go brighter and heater fan speeds up, I...
I have a DD15 1850 in a 2012 Western Star The extra cost of the DD16 and the warranty made me decide to go with the DD15. At first I was...