Mike Bohmann
Member
May need to rebuild the 4D95L engine in my Komatsu PC60-7. Looking at rebuild parts and kits online and puzzled as to the lack of oversize pistons. I believe this is a parent bore engine and it is still running so I don't anticipate anything beyond normal wear in the cylinders. I see some of the kits offered come with liners which I understand are "semi-finished" on the ID. Seems like a lot of $$ machine work as opposed to conventional rebuild bore/hone to fit OS pistons.