Undercarriage for Medium & Large Excavators
Know What You Need?
Start Shopping
Options for Medium and Large Excavators
Whether you’re clearing a site, digging a basement or doing landscaping, the undercarriage on your construction machine is critical to production speed, flotation and stability. Cat® undercarriage options include complete systems as well as components designed to make a difference in your operation.
DURABLE CAT DESIGN
Every Cat Undercarriage is designed by Caterpillar engineers and built to exacting specifications based on businesses like yours.
RELIABLE AND VERSATILE
With multiple undercarriage options available to match any underfoot surface as well as validated to meet Caterpillar quality and specificatons, a Cat undercarriage delivers the best return on your investment.
General Duty
Heavy Duty
Heavy Duty Extended Life with Duralink™️ (HDXL)
DOWNLOAD RESOURCES
Caterpillar product brochures and other informational documents are available for your growing business.
Undercarriage for Medium & Large Excavators
Frequently Asked Questions (FAQs)
What is Cat® undercarriage for medium and large excavators?
Cat® undercarriage systems include components such as track links, rollers, idlers, and sprockets that support machine movement and stability. These systems are designed to handle heavy loads and demanding applications in construction, mining, and quarry environments.
What are the benefits of using Cat® undercarriage components?
Cat® undercarriage components are engineered for durability, strength, and long service life. Their design helps improve machine performance, reduce wear, and support reliable operation in tough conditions.
How does the undercarriage impact excavator performance?
The undercarriage plays a critical role in traction, stability, and overall machine efficiency. High-quality components help ensure smooth movement, better control, and consistent performance across challenging terrain.
How can Cat® undercarriage components help reduce downtime?
Built to withstand high-impact and abrasive environments, Cat® undercarriage components help minimize premature wear and failure. This supports longer service intervals and reduces the likelihood of unexpected repairs.
How do I choose the right undercarriage components for my excavator?
The right components depend on your machine model, application, and ground conditions. A Cat dealer can help you select the appropriate undercarriage solution to ensure proper fit, performance, and long-term reliability.
GALLERY
Undercarriage for Medium & Large Excavators
Cat Construction Equipment Maintenance: Do It Yourself Articles
Proper maintenance keeps your equipment reliable and job-ready. Check out these articles for hands-on tips to extend the life of your machine.
-
Cat® Undercarriage Maintenance Dealer Programs
Save with Cat dealer undercarriage programs, including wear inspections and extended coverage options.
Get Support -
Guide: Choosing Tracks for Cat® Large Excavators
See your options for Cat® large excavator track configurations.
Select Tracks -
How to Maintain Cat® Steel Tracks
Check your Cat® steel tracks as part of your planned maintenance. Here’s how to complete daily inspections.
Start Here -
Steel Track Options for Cat® Medium Excavators
Explore the tracks available for Cat 320-335 Hydraulic Excavators.
Choose Your Track
* Terms and conditions apply.
Your Business
North America – English
Caterpillar Brands
- Caterpillar.com
- Contact Us
- My Marketing Preferences
- Site Map
- Cookie Settings
- Legal
- Privacy
- Do Not Sell or Share My Personal Information
- Accessibility Statement
- US-English
- © 2026 Caterpillar. All Rights Reserved.