just a tish NE of central ND | >>>You had better check the rubber bellow hoses that go on the pipes between the air cleaner and the turbo for leaks. <<<
>> Versatile 850II here with an 855 small cam.
>Mine had a 2 or 3 inch crack in one of the bellow hose connectors between 2 air pipes and I didn't catch it. and I dusted a perfectly good but well used engine. All of a sudden, the oil level started dropping a gallon in a 16-hour day..Never added a drop before that in 100-hour change. I fixed the hose. I kept using it and eventually I notices at cranking during starting one cylinder had lower compression. My theory is that eventually the "blow by" on the rings just melted the piston lands and scored the cylinder and the engine was all done.
This all happened probably 7 years back. I had fresh lower end of bearings done shortly before. less that 2000 hour cam and rockers, fuel pump and injectors and front main seal as well as clutch and flywheel done. It also had a newly re-cored radiator. It had all new pivot bushings and pins too. The rubber was at- 50% tires too. I seriously considered an overhaul job and that would have worked out fine for me....but I had a few more parts to buy than just a kit and was finding that good used parts and remanufactured heads that came from good core were getting harder and harder to get ahold of and weren't that cheap anymore and the cab of that 14000 hour tractor that sat out its entire life were getting pretty used up too. .........What I had was a very poor exhaust manifold that needed replaced. Burnt out exhaust pipe. ($$$) and the heads should have been updated and replaced, and a hard-to-find turbocharger that should have been replaced. Top that off with limited hydraulics and laggy steering of the 850II versatile, I decided not to fix it. Had I not dusted it, it probably would still be running though.
CHECK for air leaks or air filter leaks and damage.
Edited by School Of Hard Knock 2/22/2025 08:01
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To rebuild or not to rebuild
