Description
When your 4020 starts using more oil than fuel or just doesn’t pull like it used to, it’s telling you the cylinders need attention. These reliable engines can run for thousands of hours, but eventually everything wears out. An in-frame overhaul gets you back to strong compression and clean oil without the expense and downtime of a complete teardown.
What You’re Getting
- Complete cylinder sleeve set with seals to restore proper bore dimensions and compression
- 4-ring pistons with pins and retainers designed for gas engine performance
- Valve-grind gasket set that seals the head work you’ll need to do
- Oil pan gasket included so you can seal everything up when you’re done
- Tru-Power quality components that meet or exceed original specifications
Built for Real Farm Work
This kit is designed specifically for the 340 cubic inch gas engine in 4020 Series tractors—the workhorses that handled everything from plowing to harvest for decades. The engine might not be big by today’s standards, but it’s proven reliable when properly maintained. Whether your 4020 runs a loader, pulls field equipment, or powers the PTO all day, this kit restores the power and efficiency you remember.
Made to Last
The Tru-Power brand has been trusted by farmers for decades, and they understand what it takes to handle the constant vibration and temperature cycles of tractor work. The sleeves are cast iron, and all gaskets use modern materials that seal better than original. This isn’t a band-aid fix—it’s a proper rebuild that’ll give you many more seasons of reliable service.
Good to Know
You’ll want to have the block and head professionally cleaned and checked for cracks before assembly. This is a basic in-frame kit, so you’ll need to source bearings separately if your crank needs attention. This is a complete teardown job that’s perfect for winter shop time when the tractor’s not needed daily. Take your time with the measurements and clearances—doing it right the first time saves headaches later.
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