Undercarriage Parts
Shop replacement undercarriage parts for compact track loaders and mini excavators from Ultra Track & Tire. Every part is verified for fitment, backed by a 30-month warranty, and ships free with same-day processing. Use our Parts Finder to match your exact machine, or browse below.
What to Know Before Buying Undercarriage Parts
The undercarriage carries the full weight of your machine. Sprockets drive the tracks, rollers support the chassis, and idlers maintain tension. When any one of these components wears, the others wear faster — and the rubber track itself wears fastest of all. Replacing undercarriage components on the right schedule extends track life and prevents downtime.
Ultra Track and Tire carries OEM-grade undercarriage parts for 584+ equipment manufacturers. Every component is machined to factory tolerances and verified for direct-fit replacement against your specific machine — no modifications required. Replacing worn components alongside new tracks compounds the value of both.
How to Choose the Right Undercarriage Parts for Your Machine
Step 1: Identify your machine and serial range. Undercarriage components are matched by manufacturer, model, and serial number. A part that fits one production run may not fit another. Use our Parts Finder with your full machine details, or call our team with your model number and we will verify the right configuration.
Step 2: Inspect what is actually worn. Check sprocket teeth for rounding, idlers for seized bearings or wobble, rollers for leaking seals or flat spots, and the track chain for stretch. Replace the components that are failing, not the whole undercarriage on speculation.
Step 3: Replace adjacent components together. When the sprocket goes, a fresh track loses 30 percent of its life if you do not replace the worn drive component at the same time. Same applies to idlers and rollers — they wear in matched sets. Plan your replacement around the worn component plus its neighbors.
Shop Undercarriage Parts by Equipment Brand
We carry undercarriage parts verified for fitment with these manufacturers:
Frequently Asked Questions
How much do undercarriage parts cost?
Aftermarket undercarriage parts prices vary by machine, size, and specification. Ultra Track pricing is typically 30 to 50 percent below OEM dealer pricing with the same dimensional specifications and a 30-month warranty.
How long do aftermarket undercarriage parts last?
Service life depends on duty cycle, maintenance, and the condition of adjacent components. Quality aftermarket parts built to OEM specifications deliver service life comparable to factory-installed parts when installed in a properly maintained system.
Can I replace just one undercarriage part or do I need to replace them as a set?
Most parts are sold individually so you can replace exactly what is worn. However, components in the same wear system (left/right pairs, sprocket and idler, tracks and rollers) often reach end of life together. Replacing as a set ensures even wear and protects every new part.
Do aftermarket undercarriage parts void my equipment warranty?
No. Under the Magnuson-Moss Warranty Act, equipment manufacturers cannot void your warranty for using aftermarket replacement parts unless they can prove the aftermarket part caused the damage. Our parts are built to OEM dimensional specifications.
How do I find the right undercarriage part for my machine?
Use our Parts Finder and enter your machine manufacturer and model number. Our system cross-references your machine against verified fitment records to show every compatible part. You can also call (866) 516-8473 and our team will confirm the right fit.
Why Equipment Operators Choose Ultra Track & Tire
Ultra Track & Tire supplies rubber tracks, undercarriage parts, and equipment tires for 584+ brands and 24,000+ machine models. Every product in our catalog is matched against verified manufacturer specifications so you get the right part the first time.
We stock inventory across 13+ US warehouse locations for fast delivery to any state. Orders placed before 3 PM CST ship the same business day. All rubber tracks are backed by a 30-month warranty, the longest in the aftermarket industry.
Have questions about fitment, tread patterns, or your specific machine? Call us at (866) 516-8473. We are available 7 days a week.