Description
When your big tractor starts burning oil, knocking, or losing power, you're looking at some serious decisions. Maybe it's been putting in long hours during planting and harvest seasons, or those miles of transport work have finally caught up. Either way, when a 466 cubic inch turbocharged diesel needs attention, this comprehensive overhaul kit gets you back to full power without the cost and downtime of a complete engine replacement.
What You're Getting
- Complete cylinder sleeves with seals for a fresh bore that'll last another hundred thousand hours
- Matched piston and ring sets with keystone top compression rings for better sealing and longer life
- Pin bushings and retainers that handle the stress of a big turbo engine
- Rod bolts included - no need to hunt down separate hardware
- Full gasket set and crankshaft seals to prevent leaks from day one
- Standard main and rod bearings that meet original specs
Built for Workhorse Tractors
This kit works in the heart of John Deere's heavy-duty lineup from that era - the 8430 and 8450 articulated machines that handled the biggest fields, plus the popular 4440 and 4640 row-crop tractors that did everything from planting to harvest. These were the tractors that logged serious hours pulling wide implements and heavy loads, so the rebuild needs to be built for the same kind of work.
Made to Last
The Tru-Power components in this kit are manufactured to handle the heat, pressure, and constant demands of a turbocharged farm engine. The keystone compression rings provide better sealing than standard rectangular rings, while the quality bearings and gaskets ensure your rebuilt engine stays reliable through busy seasons.
Good to Know
This is a major overhaul job that requires machine shop work and experienced hands. You'll want to have your block checked and machined as needed, and consider having a pro handle the assembly if you're not comfortable with engine work. The rod bolts are included, which saves you the hassle of sourcing them separately - just make sure your connecting rods are marked R57303 or R67320 before ordering.