KOMATSU

Komatsu Spare Parts for All Models – Construction, Mining, Engine & Heavy Equipment Parts

United States Power Equipment LLC – Komatsu Spare Parts Supplier

Your Reliable Source for Komatsu Excavator Parts, Bulldozer Parts, Wheel Loader Parts, Mining Equipment Components, Engine Spare Parts and Maintenance Kits
United States Power Equipment LLC, based in Dover, Delaware, USA, supports the sourcing of Komatsu spare parts for construction machinery, earthmoving equipment, mining machinery, industrial engines and heavy-duty equipment applications.

We assist equipment owners, construction contractors, mining companies, fleet operators, maintenance workshops and parts distributors with identifying replacement components for a broad range of Komatsu equipment. Our parts enquiries cover routine maintenance, engine repairs, machine overhauling, hydraulic system repairs, undercarriage replacement, transmission servicing and major component rebuilding.

Whether you require Komatsu excavator spare parts, bulldozer components, wheel loader parts, motor grader parts, mining truck components, engine overhaul kits, hydraulic pumps, filters, final drives or ground-engaging tools, we can help review your requirements and identify suitable components for quotation, subject to specification and availability.
Our goal is to help customers identify the correct Komatsu parts using the machine model, serial number, engine information and original part number wherever available.

Komatsu Spare Parts for All Models
We support parts enquiries across a wide range of Komatsu equipment categories. The models below are representative examples and are not an exhaustive list of all models or regional variants.

1. Komatsu Excavator Spare Parts

Komatsu hydraulic excavators are used in construction, earthmoving, road development, quarrying, demolition, infrastructure projects and mining operations.

Representative models include:

•    PC30 and PC35 series
•    PC45 and PC50 series
•    PC55 and PC60 series
•    PC78 and PC88 series
•    PC130 and PC138 series
•    PC160 and PC170 series
•    PC200 and PC210 series
•    PC220 and PC240 series
•    PC290 and PC300 series
•    PC350 and PC360 series
•    PC400 and PC450 series
•    PC600 and PC650 series
•    PC800 and PC850 series
•    Selected larger mining excavator families

Komatsu excavator parts include:

•    Engine components and overhaul kits
•    Hydraulic main pumps and control valves
•    Hydraulic cylinders, seal kits and repair components
•    Travel motors and final drives
•    Swing motors, swing gearboxes and swing bearings
•    Track chains, track shoes, rollers and idlers
•    Sprockets and undercarriage components
•    Bucket teeth, adapters and cutting edges
•    Boom, arm and bucket pins and bushes
•    Radiators, water pumps and cooling components
•    Fuel injection parts and turbochargers
•    Electrical sensors, switches and wiring components
•    Filters, belts, hoses and scheduled maintenance kits
The correct model suffix and serial number are important because components can differ between production generations and equipment configurations.

2. Komatsu Bulldozer Spare Parts

Komatsu bulldozers are used in land clearing, earthmoving, road construction, mining, quarrying and site preparation.

Representative model families include:

•    D37 series
•    D39 series
•    D51 series
•    D61 series
•    D65 series
•    D71 series
•    D85 series
•    D155 series
•    D275 series
•    D375 series
•    D475 series

Bulldozer spare parts categories:

•    Engine overhaul parts
•    Transmission and powertrain components
•    Torque converter parts
•    Steering clutch and brake components, where fitted
•    Hydraulic pumps and control valves
•    Track chains and track shoes
•    Track rollers, carrier rollers and idlers
•    Sprockets and undercarriage parts
•    Blade cylinders and hydraulic components
•    Blade edges, end bits and cutting edges
•    Ripper shanks, tips and wear parts
•    Filters, seals, gaskets and service kits
•    Electrical components and operator-control parts
Part compatibility must be checked against the specific bulldozer model, serial number and installed configuration.

3. Komatsu Wheel Loader Spare Parts

Komatsu wheel loaders are used in construction, quarrying, mining, aggregate handling, recycling, ports and industrial material handling.
Representative model families include:

•    WA100 and WA150 series
•    WA200 series
•    WA250 series
•    WA270 series
•    WA320 series
•    WA380 series
•    WA400 series
•    WA470 series
•    WA480 series
•    WA500 series
•    WA600 series
•    WA700 series
•    WA800 series

Wheel loader parts include:

•    Engine parts and service kits
•    Transmission and torque converter components
•    Axles, differentials and final drives
•    Hydraulic pumps and control valves
•    Lift and tilt cylinders
•    Loader arms, linkage pins and bushes
•    Bucket teeth, adapters and cutting edges
•    Brake and steering components
•    Cooling system and radiator parts
•    Electrical sensors and control components
•    Filters, belts, hoses and seals
•    Cab, glass, mirrors and body components

4. Komatsu Motor Grader Spare Parts

Komatsu motor graders are used for road construction, surface levelling, site preparation, mine road maintenance and infrastructure projects.
Representative model families include GD305, GD405, GD555, GD655, GD675 and GD755, depending on the market and model generation.

Parts enquiries may include:

•    Engine components
•    Transmission and drivetrain parts
•    Hydraulic pumps and control valves
•    Circle drive and blade rotation components
•    Moldboard cutting edges and end bits
•    Blade wear parts
•    Steering and brake components
•    Front axle and articulation components
•    Filters, seals and maintenance kits
•    Electrical and operator-control components

5. Komatsu Articulated and Rigid Dump Truck Parts

Komatsu dump trucks support construction, quarrying, earthmoving and mining operations.
Representative articulated truck models include the HM300 and HM400 families. Rigid mechanical and electric-drive mining truck families include models such as the HD325, HD405, HD465, HD605, HD785, 930E and selected larger haul truck models, depending on the product range and market.

Dump truck and mining truck parts include:

•    Engine and fuel-system components
•    Transmission and drivetrain parts
•    Final drives and axle components
•    Hydraulic pumps and cylinders
•    Suspension components
•    Brake system components
•    Steering system parts
•    Wheels, rims and related components
•    Filters, hoses, seals and service kits
•    Electrical, monitoring and control-system components
•    Selected electric-drive and power-module components
Heavy mining equipment may use specialised assemblies and high-capacity components. Please provide the full model designation and serial number for identification.

6. Komatsu Mining Equipment Spare Parts

Komatsu supplies equipment for surface and underground mining applications. Depending on the equipment family, parts enquiries may cover excavators, haul trucks, loaders, dozers, drills and other mining machinery.

Parts categories include:

•    Engine and power-module components
•    Hydraulic and pneumatic components
•    Transmission and drivetrain parts
•    Final drives and wheel-end components
•    Undercarriage and track components
•    Wear plates and ground-engaging tools
•    Cooling and lubrication components
•    Electrical and electronic parts
•    Filters and maintenance kits
•    Selected major assemblies and rebuild components
The exact equipment model and component configuration must be confirmed before ordering.

7. Komatsu Engine Spare Parts

Komatsu diesel engines are installed in selected construction, mining, industrial and power-generation applications. Parts compatibility depends on the engine family, serial number, emissions configuration and equipment installation.
We support enquiries for Komatsu engine components, including:

Engine internal parts

•    Pistons and piston rings
•    Cylinder liners and cylinder blocks
•    Cylinder heads and valve components
•    Crankshafts and connecting rods
•    Main and connecting-rod bearings
•    Camshafts and timing components
•    Rocker arms and valve-train parts

Fuel system

•    Fuel injection pumps
•    Fuel injectors and nozzles
•    Fuel filters and water separators
•    Fuel pipes and related components
•    Fuel-system seals and service parts

Air intake and turbocharger system

•    Turbochargers
•    Intake and exhaust components
•    Air filters and filter housings
•    Associated seals and fittings

Cooling system

•    Radiators
•    Water pumps
•    Thermostats
•    Cooling fans and fan drives
•    Hoses and related components

Lubrication system

•    Oil pumps
•    Oil coolers
•    Oil filters
•    Sump components
•    Gaskets and seals

Engine overhaul and maintenance

•    Engine overhaul kits
•    Gasket and seal sets
•    Timing components
•    Filters and scheduled service consumables
•    Selected complete engines and major assemblies, subject to availability
Please provide the engine model and serial number to help identify the correct parts.

8. Komatsu Hydraulic Spare Parts

Komatsu hydraulic systems control essential machine operations, including excavation, lifting, steering, blade movement and attachment functions.

We support enquiries for:

•    Hydraulic main pumps
•    Pilot pumps
•    Main control valves
•    Hydraulic cylinders
•    Cylinder seal kits
•    Hydraulic motors
•    Travel motors and swing motors
•    Final drives
•    Hydraulic hoses and fittings
•    Pressure sensors and switches
•    Filter assemblies and housings
•    Related seals, gaskets and repair components
Hydraulic pump identification plates, component numbers and machine serial numbers can help confirm compatibility.

9. Komatsu Transmission and Powertrain Parts

Transmission and powertrain components transfer engine power to the machine's wheels, tracks or working systems.

Parts enquiries may include:

•    Transmission assemblies and internal components
•    Torque converters
•    Gear sets and shafts
•    Clutches and related components
•    Axles and differential parts
•    Final drives and planetary gears
•    Bearings, seals and gaskets
•    Driveline couplings
•    Steering and brake components
•    Transmission filters and service kits
The exact transmission or powertrain assembly should be identified before ordering, especially where machines have undergone previous repairs or component replacements.

10. Komatsu Undercarriage Spare Parts

Undercarriage parts are essential for tracked excavators and bulldozers operating in demanding ground conditions.
Available parts categories may include:
•    Track chains and track links
•    Track shoes and track pads
•    Track rollers
•    Carrier rollers
•    Front idlers
•    Sprockets and segments
•    Track adjusters and recoil components
•    Pins and bushes
•    Selected undercarriage assemblies
Correct machine model, serial number, track shoe width and undercarriage configuration should be checked before ordering.

11. Komatsu Ground Engaging Tools and Bucket Parts

Ground-engaging tools experience high wear during excavation, loading, dozing and mining operations.
Parts enquiries may include:
•    Bucket teeth
•    Tooth adapters
•    Locking pins and retainers
•    Cutting edges
•    End bits
•    Ripper tips and shanks
•    Wear plates
•    Selected bucket and attachment components
For accurate matching, provide the machine model, attachment type, dimensions and existing component number if available.

12. Komatsu Electrical and Electronic Parts

Komatsu equipment uses electrical and electronic systems for engine control, machine monitoring, safety, diagnostics and operator functions.
Parts enquiries may include:
•    Starter motors and alternators
•    Sensors and switches
•    Wiring harnesses and connectors
•    Relays and fuses
•    Instrument clusters and displays
•    Solenoids and actuators
•    Selected electronic control units
•    Monitoring and control-system components
•    Lighting and electrical accessories
Electronic components may require exact part-number and configuration matching.

13. Komatsu Filters, Service Kits and Maintenance Parts

Preventive maintenance helps protect equipment components and reduce unplanned downtime.
We support enquiries for:
•    Engine oil filters
•    Fuel filters and water separators
•    Air filters and safety elements
•    Hydraulic filters
•    Transmission filters
•    Coolant filters, where fitted
•    Belts and hoses
•    Gaskets and seals
•    Scheduled maintenance kits
•    Lubricants and service consumables, subject to availability
Filter appearance or dimensions alone may not confirm compatibility. Use the original part number and machine-specific information wherever possible.

Genuine Komatsu Parts, Remanufactured Parts and Aftermarket Alternatives

United States Power Equipment LLC can review enquiries for replacement components from different parts categories, subject to sourcing and availability.
Genuine Komatsu parts: Parts manufactured or supplied under the Komatsu brand to the applicable specifications.

Remanufactured components: Components restored through a defined remanufacturing process. Their condition, scope of rebuilding, warranty and supplier should be confirmed.
Aftermarket parts: Replacement components produced by independent manufacturers. Specifications and quality can vary by supplier.

The offered part type, manufacturer, condition, origin and warranty terms should be clearly identified in the quotation. Do not assume that genuine, remanufactured and aftermarket components are identical or interchangeable without confirming compatibility.

How to Order Komatsu Spare Parts

To help identify the correct parts for your Komatsu equipment, please provide:

1.    Machine model: For example, PC200, PC220, D65, WA380 or HD785.
2.    Machine serial number: Important for confirming the production configuration.
3.    Engine details: Engine model and serial number for engine-related enquiries.
4.    Original part number: If available.
5.    Required quantity: Quantity of each component.
6.    Parts list or photographs: Helpful when part numbers are unavailable.
7.    Equipment application: Excavator, bulldozer, wheel loader, mining truck, motor grader or another machine type.

For major assemblies such as hydraulic pumps, transmissions, final drives and engine assemblies, provide the identification plate details wherever possible.

Why Choose United States Power Equipment LLC for Komatsu Parts?

•    Broad equipment coverage: Parts enquiries across construction, earthmoving and mining equipment.
•    Engine and machine components: Support for engine, hydraulic, transmission, undercarriage and electrical parts.
•    Maintenance and overhaul requirements: Assistance with service kits, repair components and planned maintenance lists.
•    Model-based identification: Review of machine serial numbers, engine details and part numbers.
•    International parts enquiries: Support for customers, equipment owners, workshops and distributors in different markets.
•    Quotation support: Review of technical information and requested quantities before quotation.

Availability, lead times, origin, warranty terms and compatibility should be confirmed for each order.

Request a Quote for Komatsu Spare Parts

Looking for Komatsu spare parts for excavators, bulldozers, wheel loaders, motor graders, dump trucks, mining equipment or diesel engines?

Contact United States Power Equipment LLC with your machine model, serial number, engine information and required parts list. We can review your enquiry and assist with identifying suitable components for quotation, subject to specification and availability.

United States Power Equipment LLC
Dover, Delaware, USA