304 Excavator

Undercarriage Parts For Caterpillar 304 Excavators

We are your destination for undercarriage parts and complete undercarriages for the Caterpillar 304 series mini hydraulic excavator. All of our undercarriage parts come backed by an industry leading 3 year, 4,000 hour warranty. In addition to undercarriage parts, we also offer used parts and components for the Cat 304 excavator, some of which qualify for same-day shipping to get you back on the job fast. Contact us today.

The Cat 304 Series Includes

304 & 304.5

About The Caterpillar 304 Excavator

The Cat 304 series Mini hydraulic excavator delivers incredible performance, durability and versatility in a compact design. The compact radius of the Cat 304 series allow for comfortable work in confined spaces, while the operator environment provides comfort with a high quality suspension seat, easy to adjust armrests, and 100% pilot controls for durable controllability. The HD Hydraulic System has a load sensing and flow sharing capability leading to higher precision. Power on Demand provides performance the moment you need it, without wasting resources when you don’t. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required. With proper undercarriage maintenance, the Cat 304 Mini series excavator will get hard jobs done faster and with less rework. Be sure to always put on high quality replacement undercarriage and parts when needed to keep your CAT 304 mini excavator working for you.

    Cat Undercarriage Request

    Track AssemblyTrack PadsRollersSprocketsIdlersComplete Undercarriage




    Undercarriage For The CAT 304

    excavator sprockets

    304 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

    304 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

    304 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

    304 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

    304 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

    304 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.