Description
When your trusty 4010 or 4020 starts smoking more than it should or you’re burning through oil faster than fuel, it’s time to think about that overhaul you’ve been putting off. This basic engine rebuild kit gives you the core components to bring that 381 cubic inch diesel back to life – everything you need except the bearings to get your workhorse running like the day it rolled off the line in Waterloo.
What You’re Getting
- Complete set of wet sleeves and seals to restore proper cylinder walls
- 5-ring pistons with pins, retainers, and bushings for reliable compression
- New connecting rod bolts because old ones stretch and you don’t want surprises
- Full gasket set including head gasket and crankshaft seals for leak-free operation
- Both standard 4-1/8 inch and overbore 4-1/4 inch pistons supplied for flexibility
Built for Real Farm Work
This kit fits the legendary John Deere 4010 and 4020 series tractors – machines that defined what a row-crop tractor should be. Whether your 4010 is still pulling a 4-bottom plow or your 4020 is running a loader for daily chores, this 381 CID six-cylinder engine was built to handle whatever you throw at it. These Tru-Power components match the original specifications that made these tractors famous for their reliability.
Made to Last
Tru-Power has been rebuilding farm engines for decades, and they understand what it takes to handle the constant load changes and long hours that come with farm work. The wet sleeves restore proper cylinder dimensions, while the 5-ring pistons provide excellent compression and oil control for thousands more hours of dependable service.
Installation Notes
This is a basic kit, so you’ll need to source your own rod and main bearings separately. The kit includes both standard and overbore pistons – measure your cylinders first to determine which you need. If you’re doing the work yourself, take your time with the sleeve installation and pay special attention to the torque specs on those new rod bolts.
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