Description
When your John Deere’s getting tired and you’re seeing blue smoke at startup or oil consumption that’s eating into your bottom line, it’s time for some serious attention. This basic in-frame overhaul kit gets your 329 CID six-cylinder diesel back to strong, reliable power without the expense of a complete teardown. You’ll have everything you need to rebuild the top end and get back to work.
What You’re Getting
- Complete cylinder sleeves and sleeve seals for that tight bore your engine needs
- Standard compression pistons with rings, pins, and retainers sized for 4.02-inch bore
- 3-ring piston design with standard compression for engines marked with “B” designation
- Valve-grind gasket set and oil pan gasket to seal everything up tight
- Quality Tru-Power components built to handle the demands of farm work
Built for Real Farm Work
This kit’s designed specifically for John Deere 4030 series row-crop tractors and 2840 series utility models—machines that have earned their keep in fields, feedlots, and farmyards across the country. Whether your 4030’s pulling a planter through spring ground or your 2840’s handling loader work around the buildings, this rebuild gets them back to full strength.
Made to Last
These Tru-Power components are built to the same specs as the original parts that came in your tractor. The cylinder sleeves handle the heat and pressure of diesel combustion, while the pistons and rings provide the compression you need for good power and fuel economy. Everything’s manufactured to handle the long hours and tough conditions that come with farm work.
Installation Notes
This is a basic in-frame kit, so you’ll need to check your connecting rod bolt length and add either TP-R74194 (2.125-inch) or TP-R80033 (2.325-inch) rod bolts separately. Make sure your machine has the standard compression setup with pistons marked “B” before ordering. If you’re not comfortable with major engine work, this is definitely a job for someone with experience rebuilding diesel engines.






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