Komatsu Parts

Replacement and aftermarket parts for Komatsu heavy equipment, covering dozers, excavators, wheel loaders, and motor graders across a wide range of models and generations. Whether you're sourcing hydraulic components, undercarriage parts, engine parts, or structural assemblies, Broken Tractor carries both new and used Komatsu parts to keep your machine running.

Fits Models At A Glance

• Dozer Series: D20, D21, D31, D37, D39, D41, D51, D53, D58, D61, D65, D85, D155, D355, D375, D475
• Excavator Series: PC27, PC35, PC40, PC45, PC50, PC60, PC75, PC78, PC100, PC120, PC130, PC150, PC200, PC210, PC220, PC240, PC300, PC350, PC400, PC450
• Wheel Loader Series: WA100, WA150, WA180, WA200, WA250, WA300, WA380, WA400, WA430, WA470, WA500
• Motor Grader Series: GD305, GD505, GD511, GD530, GD655, GD670

Key Notes

• Part Types: Hydraulic cylinders, pumps, motors, undercarriage components, engine parts, filters, and structural assemblies
• Condition: New aftermarket and used OEM parts available across most model lines
• Application: Construction, mining, land clearing, grading, and material handling equipment
• Fitment: Verify model and serial number before ordering to ensure correct part application

Why Choose Broken Tractor

• ✅ Wide Komatsu model coverage from multiple decades
• ✅ New aftermarket and used OEM options available
• ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH

Frequently Asked Questions

Where can I buy Komatsu parts online?

Broken Tractor sells Komatsu parts online for dozers, excavators, wheel loaders, and motor graders. We carry hydraulic cylinders, pumps, motors, undercarriage components, engine parts, filters, and structural assemblies. Orders ship fast from our locations in Baton Rouge, LA and Kimbolton, OH, so you can source parts without relying on a local dealer.

How do I look up the right Komatsu part number?

Start with your machine's model and serial number, since the correct part can change between serial number ranges on the same model. If you have the old part, match the part number stamped or tagged on it before ordering. If you are unsure, call (800) 909-7060 and the Broken Tractor parts team can help confirm fitment.

Are Komatsu replacement parts new or used?

Broken Tractor offers both new aftermarket and used OEM Komatsu parts across most model lines. Having both options lets you choose based on your budget and how you use the machine. Always verify your model and serial number so the part fits your machine correctly.

Which Komatsu models does Broken Tractor carry parts for?

We carry parts for Komatsu dozers from the D20 through the D475, excavators from the PC27 through the PC450, wheel loaders from the WA100 through the WA500, and motor graders including the GD305, GD505, GD511, GD530, GD655, and GD670. Coverage spans several decades of machines. Fitment can vary by serial number within a model, so check yours before ordering.

What types of Komatsu replacement parts are available?

Broken Tractor offers Komatsu hydraulic cylinders, pumps, and motors, plus undercarriage components, engine parts, filters, and structural assemblies. These parts serve machines used in construction, mining, land clearing, grading, and material handling. Matching the part number from your old part is the most reliable way to get the correct replacement.