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Grader Components

Dom-Ex supplies a full line of grader components, available in new, rebuilt, and qualified used options to match customer requirements for performance, lead time, and budget. With a 100-acre parts yard and more than 100,000 line items in stock, Dom-Ex ensures fleets have access to the parts they need — delivered in the condition they need them.

From powertrain systems and circle assemblies to moldboards, rippers, and operator cabins, Dom-Ex provides complete coverage for graders from Caterpillar®, Komatsu®, and other leading OEMs. Combined with rebuild expertise and a global distribution network, Dom-Ex helps reduce downtime and extend the life of these critical machines.

Grader Components

Multiple Buying Options

New, rebuilt, and qualified used grader components

Large Inventory, Ready For Dispatch

100-acre parts yard and 100,000+ items in global inventory

Support For Multiple OEM's

Support for Caterpillar®, Komatsu®, and other leading OEMs

Lower Total Cost of Ownership

Flexible supply options to reduce downtime and lower operating costs

Proven Results

Grader Components Resources

HEPI Dom-Ex Division Overview 2025
Dom-Ex Resource
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2025 HEPI Corporate Brochure
Corporate Resource, Crushing Resource, Dom-Ex Resource, Engine Resources, Mining Resources
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Learn More About Our Graders

Dig Deeper!

Dom-Ex delivers comprehensive support for graders with a wide selection of components designed to keep fleets running reliably. By offering new, rebuilt, and qualified used options, Dom-Ex provides the flexibility needed to meet customer requirements for cost, availability, and performance.

Grader Components

Final Drives
Transmissions
Wheel and Brake Groups
Circle and Circle Bar Assemblies
Drawbar Assemblies
Front Axle Assemblies
Moldboards
Rippers
Operator Cabins
Engines
Radiators
Hydraulic Cylinders
Fuel / Hydraulic Tanks
Tandem Housings
Tires / Rims
Sheet Metal
Chassis

With a global inventory, rebuild expertise, and more than four decades of industry experience, Dom-Ex ensures grader fleets are equipped with the right components — when and where they’re needed.

Global Locations, Local Solutions

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Grader Components