Undercarriage for Construction
Undercarriage for Construction

Cat® Undercarriage

Undercarriage typically represents an average 50% of a machine’s owning and operating costs, so it makes sense to invest in a system that will deliver the most value. Every Cat® undercarriage is designed by Caterpillar engineers and built to exacting specifications to match your machine and application — and deliver the lowest operating costs.



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Right Parts. Right Place. Right Now. Experience The Cat® Parts Difference.

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Undercarriage for Small Dozers

Undercarriage for Small Dozers

Undercarriage options for your small Cat dozers for any application.

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Undercarriage for Medium Dozers

Undercarriage for Medium Dozers

Undercarriage options for your medium Cat dozers for any application.

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Undercarriage for Large Dozers

Undercarriage for Large Dozers

Undercarriage options for your large Cat dozers for any application.

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FAQ

What Is a Cat® Undercarriage?

The Cat® Undercarriage is the system of components that supports the weight of a tracked machine, provides traction, and allows it to travel across different ground conditions. It is a critical system that directly impacts machine productivity, performance, and operating costs.

 

Why Is the Cat® Undercarriage So Important?

The undercarriage absorbs constant wear from ground contact, impact, and load. Because of this, it is one of the most highly stressed systems on a tracked machine. Proper selection, setup, and maintenance of your Cat® Undercarriage help support consistent performance and longer component life.

What Components Are Part of a Cat® Undercarriage System?

A Cat® Undercarriage system includes several key components that work together, such as:

  • Track links, pins, and bushings
  • Track shoes
  • Rollers and idlers
  • Sprockets

Each component plays an important role in traction, stability, and wear management.

 

What Types of Cat® Undercarriage Systems Are Available?

Cat offers multiple undercarriage options designed to match different applications, ground conditions, and usage levels. Depending on machine model, options may include General Duty, Heavy Duty, Heavy Duty XL, Abrasion, and SystemOne™ undercarriage systems.

Your Cat dealer can help identify the best option based on how and where you operate.

 

How Do I Choose the Right Cat® Undercarriage for My Machine?

Selecting the right undercarriage depends on:

  • Machine model and size
  • Ground conditions and materials
  • Application severity
  • Expected hours of operation

A Cat dealer can help match the right undercarriage system to your machine and job requirements.

 

How Can I Maintain My Cat® Undercarriage?

Routine inspections, proper track adjustment, cleaning, and timely service are key to undercarriage care. Cat dealers offer inspection services and wear‑management tools to help you track condition and plan maintenance effectively.

 

How Long Does a Cat® Undercarriage Last?

Undercarriage life depends on factors such as application, terrain, material type, machine setup, and maintenance practices. Abrasive materials, high‑impact work, and improper track adjustment can increase wear, while regular inspections and proper maintenance can help extend component life.

 

 

Your Equipment. One Smart Hub.

Cat® Central is your one stop solution that takes the guesswork out of equipment ownership. Cat Central provides all the resources and knowledge you need to operate, maintain, and shop for your equipment while helping you engage with your local Cat dealer. *Available in designated countries.

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Warranty
Warranty

Buy Genuine Cat® Parts Through Your Dealer at Parts.Cat.Com

Get more than parts—get control. Shop online 24/7 for Cat® parts engineered to fit and built to last. Backed by a 12-month warranty, expert support, and flexible delivery options—get exactly what you need, fast, easy and on your terms.

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Parts

An Easy decision for peace of mind

The 12-month Caterpillar Limited Warranty covers resultant damaged Cat parts in the event of an applicable failure.*

In addition, the Undercarriage Assurance Programs offer support beyond the standard new machine or parts warranties.  They cover all major moving undercarriage components on Cat track-type tractors, track-type loaders and track-type hydraulic excavators. See your Cat dealer for full details about coverage for specific undercarriage configuration options.

*Warranty can vary by model and applications; limitations may apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer.

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Warranty
Warranty

 

 

Parts Now. Pay Later.

Put your next undercarriage purchase on the Cat® Card account. Easy expense tracking, no annual fee and financing up to 24 months with rates as low as 0% for 6 or 12 months.*

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* Terms and conditions apply.

 

Discuss undercarriage with your Cat dealer

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REPAIR OPTIONS

Get the most from your undercarriage investment by following these tips for selection, operation, maintenance and repair.

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CAT Ground Engaging Tools

Cat GET optimizes machine performance by helping to penetrate the material being worked.

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