JS300 Excavator

JCB JS300 Undercarriage Parts

Pivot is an undercarriage parts and complete undercarriage dealer for the JCB JS300 Series Excavator. We offer JCB tracks, rollers, idlers, sprockets, chains and more. Our three-year, four-thousand-hour warranty also includes all of our used, remanufactured and new parts and components. Most parts can be shipped the same day, so please contact us regarding the items you need for the JCB JS300 Series Excavator. 

About The JS300 Excavator

The JCB JS300 is placed in the high end range for heavy tracked excavators. With a 30 ton weight and a closed box section and a revolving frame, this machine is durable and increases strength and performance. Also boasting a highly efficient MTU 241 hp unit, the JCB JS300 is Tier 4 Final compliant and has better overall fuel efficiency and lower fuel consumption.The benefits of the extended visibility and comfortable cab layout will ensure that operators will enjoy this excavator and it’s operator-friendly design. 

    JCB Undercarriage Request

    Track AssemblyTrack PadsRollersSprocketsIdlersComplete Undercarriage




    JCB JS300 Excavator Undercarriage

    excavator sprockets

    JS300 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

    JS300 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

    JS300 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

    JS300 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

    JS300 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

    JS300 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.