CAT 303ECR Rubber Tracks

Shop rubber tracks and available undercarriage parts for the CAT 303ECR Mini Excavator at low direct prices. Free shipping, fast nationwide delivery and 24-month rubber-track warranty protection make replacement simple and high value. Explore 1 tread option built around traction, ride quality, surface control and long-wear performance.

Free US Shipping100% Fit GuaranteePremium OEM Quality

Find Your Track Call TrackTECH
CAT mini excavator parts

CAT 303ECR fitment data

Heavy Duty Rubber Tracks for CAT 303ECR

300x52.5Wx84

1 track option
  • CAT 303ECR 300x52.5Wx84 Block rubber track
    Block
    • Heavy Duty
    • 300x52.5Wx84
    • 12" wide
    • general construction, dirt, hard surfaces, mud, rip rap and mixed jobsites
    $950.00$988.00

    In stock

    Get quote

Steel Undercarriage for CAT 303ECR

Bottom Rollers

1 option

Carrier / Top Rollers

1 option

Frequently Asked Questions

Common fitment, shipping, and rubber track replacement questions

What rubber tracks are compatible with the CAT 303ECR?
The CAT 303ECR is cataloged with 300x52.5Wx84 rubber tracks in the current TrackTECH storefront data. The size format is width × pitch × links.
What are the best rubber tracks for the CAT 303ECR?
The best CAT 303ECR track depends on terrain and application. Current tread choices include Block — general construction, dirt, hard surfaces, mud, rip rap and mixed jobsites. Compare traction, ride quality, cleanout, ground disturbance and wear for the work you do most.
Where can I buy new tracks for a CAT 303ECR?
TrackTECH offers new heavy-duty replacement tracks for the CAT 303ECR with low direct pricing, free shipping, fast nationwide delivery and 24-month rubber-track warranty protection. Current prices and available tread options are shown on the page.
How much do CAT 303ECR rubber tracks cost?
Price depends on track size, tread pattern and whether you are replacing one track or a pair. Compare the current CAT 303ECR options and live pricing on TrackTECH rather than relying on a generic model estimate.
Should I replace worn tracks on a used CAT 303ECR?
If a used CAT 303ECR has worn, cracked or damaged tracks, replacement can improve traction, ride quality, job readiness and how the machine presents at resale. Inspect the undercarriage condition at the same time so new tracks are not being installed over obviously worn components.
Can I buy undercarriage parts for the CAT 303ECR?
Yes. The current TrackTECH machine record lists these available part families for the CAT 303ECR: Tracks, Rollers. Availability and pricing are shown with the corresponding products.