Description
When your trusty WD45 starts burning oil, making noise, or just doesn’t have the power it used to, you know it’s time for a rebuild. This complete overhaul kit gives you everything you need to bring that 226 cubic inch engine back to factory specs and get you back to work with confidence.
What You’re Getting
- Complete sleeve and piston set with rings for 4-1/8 inch overbore – gives your engine a fresh start with proper compression
- All new gaskets and seals to stop those annoying leaks that seem to get worse every season
- .010 inch rod bearings and main bearings for smooth operation and proper oil pressure
- New cam bearings and complete valve train components including valves, springs, and guides
- Everything engineered to work together – no mixing and matching different brands or hoping parts will fit
Built for Real Farm Work
The WD45 was built to handle everything from cultivating corn to running a hay baler, and this kit restores that legendary Allis Chalmers reliability. Whether you’re using yours for field work, belt work, or just keeping the homestead running, a fresh engine makes all the difference in getting through long days without breaking down.
Made to Last
Tru-Power has been making engine rebuild kits for decades, and they understand what it takes to hold up under farm conditions. These components are manufactured to meet or exceed original equipment specifications, so you get the durability you need without the dealer markup.
Good to Know
This is a complete overhaul kit, so you’ll want to plan on having the block cleaned and checked by your local machine shop. The overbore pistons give you a fresh cylinder wall to work with, and the .010 bearings account for normal crankshaft wear. Having a good manual handy makes the job go smoother, and don’t forget to prime that oil system before first startup.






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