Komatsu Parts | Dozers, Excavators & Loaders Since 1947
FP Smith Parts & Equipment carries a wide range of Komatsu parts for dozers, excavators, wheel loaders, haul trucks, and motor graders. Family-owned since 1947, we stock new OEM surplus and quality used components from our physical inventory in Fairfield, California. We support both current production and legacy Komatsu equipment with fast, reliable service.
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Komatsu Parts Inventory
We maintain strong inventory across the full range of Komatsu equipment, including dozers, excavators, wheel loaders, and haul trucks. Our stock includes both current models and hard-to-find legacy parts, helping customers keep their fleets running efficiently.
Komatsu Parts Categories
- Undercarriage: Track chains, track pads, rollers, idlers, sprockets, links, pins & bushings.
- Engines & Powertrain: Engines, rebuild kits, transmissions, torque converters, and final drives.
- Hydraulics: Hydraulic pumps, valves, cylinders, and seal kits.
- Steering & Brakes: Steering clutches, valves, and brake components.
- Ground Engaging Tools: Blades, rippers, cutting edges, and wear parts.
- Electrical & Cooling: Starters, alternators, radiators, and oil coolers.
Popular Komatsu Models We Support
Crawler Dozers (D Series)
- Compact/Small: D20, D21, D37 (EX/PX), D39 (EX/PX)
- Mid-Size: D51 (EX/PX), D61 (EX/PX), D65 (EX/PX), D71 (EX/PX)
- Large/Heavy Construction: D85 (EX/PX), D155 (AX/CX) and more
- Very Large/Mining: D275AX, D375A (AX-8), D475A (Super Dozer variants)
Hydraulic Excavators (PC Series)
- Mini: PC35MR, PC45MR, PC50MR, PC55MR, PC78US, PC80MR, PC88MR, PC138US
- Small/Medium Standard: PC158, PC170LC, PC200, PC210, PC220 (LCi-12), PC240, PC290LC-11 and more
- Large/Production: PC300, PC350LC, PC360, PC400, PC450LC, PC490, PC600, PC650LC, PC700LC, PC800 and more
- Mining/Mega Shovels: PC1250, PC2000, PC3000, PC4000, PC5500
Wheel Loaders (WA Series)
- Compact/Mid-Size: WA100M, WA150, WA200, WA270, WA320, WA380, WA430, WA470, WA475, WA480, WA500 and more
- Large/Mining: WA600-, WA700-, WA800, WA900, WA1200 and more
Dump Trucks / Haul Trucks
- Articulated (HM series): HM300, HM400 and more
- Rigid/Mining (HD/930E etc.): HD325-, HD465-, HD605, HD785, HD1500, 730E, 830E, 930E and more
Motor Graders (GD Series)
- GD605, GD650, GD670, GD705, GD750 and more
Why Choose FP Smith for Komatsu Parts?
- Broad Coverage: Strong inventory across dozers, excavators, loaders, trucks, and graders.
- Physical Stocking: Real parts on hand in Fairfield, CA — ready for same-day shipping.
- Hard-to-Find Parts: Expertise sourcing both current and legacy Komatsu components.
- Cost Savings: Quality used and OEM surplus options at competitive prices.
- Technical Support: Knowledgeable team familiar with Komatsu equipment and interchanges.