Description
When your John Deere’s 6-404T engine starts showing its age with excessive blow-by, oil consumption, or dropping compression, you’ve got a decision to make. You can keep limping along with band-aid fixes or tackle the rebuild right and get back to reliable power. This comprehensive overhaul kit gives you everything needed to bring that turbocharged workhorse back to life—except the crank bearings, which lets you inspect and decide what’s actually needed down there.
What You’re Getting
- Complete cylinder rebuild components including sleeves, pistons, rings, pins, and pin bushings for like-new compression
- Full valve train refresh with new valves, caps, springs, and keys to restore proper breathing
- Complete gasket set with crankshaft seals to stop those annoying leaks once and for all
- New connecting rod bolts because the old ones have done their job and shouldn’t be reused
- Everything engineered to original John Deere specifications for proper fit and performance
Built for Hard-Working Engines
The 6-404T was John Deere’s go-to turbocharged diesel for medium to heavy-duty applications where torque and reliability mattered most. This engine powered tractors across multiple series including 5020, 6020, 6030, and 7030 models that handled everything from loader work to heavy tillage. Whether your machine spends its days moving dirt, pulling implements, or running PTO equipment, this engine was built to work hard day after day.
Made to Last
Tru-Power components are manufactured to handle the demands of agricultural work—temperature extremes, dirty conditions, and long hours under load. The pistons are designed for the high compression and heat of turbocharged operation, while the gaskets use materials that stay flexible through countless heat cycles. These aren’t bargain parts that’ll have you doing this job again in a few years.
Good to Know
This kit covers engines from serial number 245547 to 335845, so check your serial number before ordering. Since crank bearings aren’t included, you’ll want to have the crankshaft inspected while everything’s apart—sometimes a simple polish is all that’s needed, other times you’ll need undersized bearings. A good machine shop can measure and advise you on the best approach for your specific engine.
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