JD Wheel Loader Engine

Replacement and rebuilt engine components for John Deere wheel loaders, covering complete engines, cylinder heads, blocks, pistons, and related assemblies across multiple loader generations.

Fits Models At A Glance

• 200 Series: 244J, 244K, 304J, 324J
• 400 Series: 444J, 444K, 444H, 410
• 500 Series: 524K, 544J, 544K, 544H
• 600 Series: 624J, 624K, 644J, 644K, 644H
• 700 Series: 724J, 724K, 744J, 744K

Key Notes

• Application: Powertrain repair and full engine replacement for wheel loaders
• Components: Long blocks, heads, pistons, gaskets, and rebuild kits
• Condition: New aftermarket, remanufactured, and used options available
• Fitment: Confirm serial number and engine family before ordering

Why Choose Broken Tractor

• ✅ Wide engine coverage across Deere loader lines
• ✅ Fast shipping from two US warehouses
• ✅ Knowledgeable support to verify correct fitment

Frequently Asked Questions

What engine parts do you carry for John Deere wheel loaders?

Broken Tractor carries complete engines, long blocks, cylinder heads, blocks, pistons, gaskets, and rebuild kits for John Deere wheel loaders. Coverage spans the 200, 400, 500, 600, and 700 series, including models like the 244K, 444K, 544K, 644K, and 744K. We offer new aftermarket, remanufactured, and used options.

How do I confirm the right engine parts for my John Deere 644K loader?

Match your machine's serial number and engine family before ordering, since engine components can vary across loader generations. The correct part often depends on the specific engine build in your unit, so comparing your existing part number is the most reliable method. If you are unsure, our parts team can help verify fitment at (800) 909-7060.

Should I rebuild or replace the engine in my John Deere wheel loader?

Both options are available depending on the condition of your engine. Broken Tractor offers rebuild kits, pistons, heads, and gaskets for repairing a serviceable block, along with long blocks and complete engines when a full replacement makes more sense. Confirm your engine family and serial number so the parts you choose match your loader.

Do you carry remanufactured engines for John Deere loaders?

Yes, we offer remanufactured engines and long blocks alongside new aftermarket and used options for John Deere wheel loaders. Availability varies by engine family and model, from the 244J up through the 744K. Verify your serial number and engine family so the remanufactured unit matches your machine.

What John Deere wheel loader models do your engine parts fit?

Our engine parts cover a wide range of John Deere loader models, including the 244J, 244K, 304J, and 324J in the 200 series, the 444J, 444K, 444H, and 410 in the 400 series, the 524K, 544J, 544K, and 544H in the 500 series, plus 600 and 700 series models like the 624K, 644K, 724K, and 744K. Because fitment can differ by serial number, confirm your engine family before ordering.