CAT® Undercarriages


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Your undercarriage can easily become the single biggest cost on your machine. That’s why we work with you to make sure you have the right knowledge, service, and custom solutions to keep your undercarriage working optimally and save you money. 

Features And Benefits

  • Cat products are made to measure so will provide better performance.
  • Guaranteed to fit without any intervention – first time fit every time.
  • A range of products to meet your specific requirements and budgets.
  • Cat products are designed to work with your Cat machine and are made to the highest standards to allow you to work more efficiently, increase productivity, reduce downtime and save you money.
  • More than the right choice – the best choice.

Great Range Of products

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General Duty

Cat® General Duty undercarriage is a form of grease lubricated track designed specifically for use in low to moderate impact applications where Cat standard undercarriage is not fully needed.

General Duty components are interchangeable with HD/GLT, so there’s no need for retrofitting and you keep  downtime to a minimum.

Heavy Duty

In tough underfoot conditions, Cat Heavy Duty undercarriage outlasts Cat General Duty. Its fixed bushing design is capable of handling high-impact conditions.


Designed for maximum durability, this patented system consists of Cat® Heavy Duty Extended Life (HDXL) with DuraLink, larger diameter bushing, track roller and sprocket segments.

This combination creates a link assembly with more wear material and improved life. It handles your most demanding terrain without breaking.

Cat® Abrasion

Get the lowest cost per hour in high abrasion, low to moderate impact applications with the Cat® Abrasion™ undercarriage. Look inside for new cartridge improvements. Changes in seal coating, shape and load ring design reduce corrosion, dry joints and packing.

Every innovation leads to  longer life and lower cost.

Undercarriage assurance programmes

Our Undercarriage Assurance Programmes demonstrate our commitment to provide you with the lowest cost-per-hour undercarriage systems.
Assurance programmes offer support beyond the standard new machine or parts warranties. They cover all major moving undercarriage components on Cat Dozers, Track loaders and excavators.
Speak to us for full details and specific undercarriage configuration options.

Expert service and solutions

Gain access to our expert service, our extended parts availabilty as well as additional support options such as our undercarriage assurance programme to ensure productivity and peace of mind. 
Get in touch to find out more about how you can save money through our Custom Track service and undercarriage repair options.
Finning Service Department

Custom track service (CTS)

An improperly managed undercarriage can account for more than half of machine maintenance costs.

That's why we provide Custom Track Service (CTS), our comprehensive programme for manaaging your undercarriage system, using the most advanced diagnostic equipment available, like the Ultrasonic Wear Indicator.

With CTS, we can accurately monitor undercarriage performance and predict wear rates , so you can evaluate service options, plan your maintenance and schedule downtime.

Overall CTS analysis, which can be completed on your job site , helps you make informed decisions that keep your operating costs as low as possible.



Great repair options

Because undercarriage can represent up to 50% of your dozer or excavator's operating costs, it's important to maintain it properly and when the time comes, choose the appropriate repair and components.
We can help you with whatever it takes to get the longest life and best return on your undercarriage investment.

Get Your Free * Inspection Today

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Browse the latest technology driven Cat® equipment range.

Undercarriage Assurance

Get peace of mind when you purchase a genuine Cat Undercarriage with our Leakage and Breakage Assurance Programme.

Track Shops

Finning has dedicated track shops that provide a range of premium undercarriage services.

Custom Track Service Inspections

We'll provide details of the health of your undercarriage, current wear rates and predicted component replacement dates.

Buy Parts Online

Buy Parts Online

Order your genuine Cat undercarriage parts online 24/7 at