R420 Excavator

HYUNDAI ROBEX 420 Undercarriage Parts

Pivot is the place to find parts for your Hyundai R420 Excavator undercarriage. We have rollers, idlers, sprockets, chains, and more for the Hyundai excavator line. We supply the highest quality aftermarket undercarriage parts. A 3 year/4,000-hour warranty covers our undercarriage parts. We can also supply you new, used and rebuilt parts to keep your Hyundai R420 Excavator in great shape. Most orders can be shipped out on the same day. Contact Pivot to get your parts ordered today.


You’re going to appreciate the hefty power, durability, and reliability of the Hyundai R420 Excavator. This excavator was made to work in all types of environments and conditions. It is used in the agriculture industry, for landscaping, Public Works/ Municipalities, highway maintenance, and paving. The R420 is designed to be rugged and reliable but reduces operating costs by increasing uptimes and fuel efficiency. The engine is Tier IV compliant and also reduces harmful exhaust fumes. The boom offers a large operating range and the hydraulic power can handle the heaviest of loads. The Hyundai R420 Excavator is a true diamond in the rough. 


    Hyundai Undercarriage Request

    Track AssemblyTrack PadsRollersSprocketsIdlersComplete Undercarriage

    ROBEX 420 Undercarriage Parts

    excavator sprockets

    ROBEX 420 Sprockets

    Our sprockets and segment groups are specifically designed to provide extended life and durability for the toughest working conditions. We offer sprockets for crawlers, dozers and excavators.

    undercarriage rollers

    ROBEX 420 Rollers

    PIVOT supplies the construction and mining industry with top carrier rollers along with single and double flange bottom track rollers. Our rollers are manufactured to provide excellent service in extreme operating conditions.

    undercarriage idlers

    ROBEX 420 Idlers

    We also carry a wide range of idlers that are fabricated and cast from high strength steel. This is to maintain the integrity of our product and reliability for your machine.

    excavator undercarriage

    ROBEX 420 Track Assembly

    PIVOT offers track group assemblies as well as individual track chains. Our track chains come either greased or sealed and lubricated in Standard or Heavy Duty options. All track groups can be assembled prior to shipment for your convenience and ease of install.

    undercarriage track pads

    ROBEX 420 Track Pads

    We supply a variety of arrangements when it comes to your machine’s track shoes that have been designed and tested for your specific application. All of our track pads come either with a single, double or triple grouser setup. You also have the option of with or without mud-holes, standard or extreme service, along with various widths.

    track adjuster

    ROBEX 420 Track Adjusters

    PIVOT also carries several options for complete track adjuster assemblies, springs and seal kits. Our track adjusters are direct replacement for fit, form and function and have been specifically engineered to operate under extreme working conditions to keep you moving.