Komatsu Dozer Parts

Replacement parts for Komatsu crawler dozers, covering undercarriage components, hydraulic parts, engine parts, final drives, and cab hardware across a wide range of D-series machines. Whether you're rebuilding a D65 or keeping a D155 running through a hard season, these parts are sourced to meet OEM specifications and fit Komatsu's most widely used dozer platforms.

Fits Models At A Glance

• D20/D21 Series: D20A, D20P, D21A, D21P
• D31/D37/D39 Series: D31E, D31P, D37E, D37P, D39E, D39P
• D41 Series: D41E, D41P
• D51 Series: D51EX, D51PX
• D61 Series: D61EX, D61PX
• D65 Series: D65E, D65P, D65EX, D65PX
• D85 Series: D85A, D85E, D85EX, D85PX
• D155 Series: D155A, D155AX
• D275 Series: D275A, D275AX

Key Notes

• Undercarriage: Track chains, rollers, idlers, and sprockets available for most D-series frames
• Hydraulics: Blade cylinder seals, control valve components, and pump rebuild kits
• Powertrain: Final drive components and transmission parts for select series
• Engine: Filters, gaskets, and cooling system parts for Komatsu SA and SAA diesel engines
• Generational Fit: Many parts cross between early and late variants within the same series — verify serial number before ordering

Why Choose Broken Tractor

• ✅ Deep Komatsu D-series inventory across multiple generations
• ✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
• ✅ Real parts expertise — call us before you order