Description
When your WD45 starts burning oil or losing compression, you know it’s time for a complete rebuild. This isn’t a job you want to tackle twice, so having everything you need in one comprehensive kit makes all the difference. This complete overhaul kit contains sleeves & sleeve seals, pistons & rings, pins & retainers, pin bushings, complete gasket set, crankshaft seals, intake & exhaust valves, springs, guides, valve keys—everything to bring that 226 cubic inch gas engine back to life.
What You’re Getting
- Complete cylinder sleeves and pistons for both standard 4-inch bore and 4-1/8-inch overbore applications
- Full valve train components including intake and exhaust valves, springs, guides, and keepers
- Comprehensive gasket set with all seals needed for a leak-free rebuild
- Cam bearings and pin bushings for smooth operation and long life
- Everything engineered to original specifications for proper fit and performance
Built for Real Farm Work
The WD45 was Allis Chalmers’ workhorse tractor, built tough for row crop farming, cultivating, and general farm duties. This 226 CID four-cylinder gas engine powered thousands of these tractors through decades of hard work. Whether you’re restoring a family heirloom or getting a work tractor back in service, this kit has what you need.
Made to Last
This Tru Power engine kit is built to handle the demands of farm life. The components are manufactured to meet or exceed original equipment standards, so you get the durability and reliability that made these tractors legendary. Quality materials and precise machining ensure your rebuilt engine will serve you for years to come.
Installation Notes
This is a complete overhaul kit, so plan on a full engine teardown and rebuild. Having the standard bore and overbore pistons included gives you flexibility based on your cylinder condition. Take time to measure everything carefully and consider having the block checked by a machine shop if you haven’t done so already. The comprehensive nature of this kit means you won’t be making multiple parts runs mid-project.






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