Hey guys I have a 2010 Peterbilt 386 with a CM871 isx I'm toying with the idea of pulling the cummins out and putting in a 3406 cat. I'm just wondering if anybody has done this and what it costs by the time you buy the wiring harness and everything else needed to go from cummins to cat.
Cummins ISX to Cat engine conversion
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Aknapke1215, Dec 22, 2017.