Cat 303CR Rubber Tracks & Parts

Outfit your CAT 303 CR mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size 300x52.5Wx84, backed by a 24-month warranty and free freight to the lower 48.

Available Tread Patterns

  • Block — Simple, durable block tread for smooth running and even wear.

CAT 303 CR Undercarriage Parts

Complete the rebuild with matched-fit components for the CAT 303 CR:

What You Get with TrackTECH

  • 24-month warranty on every track — confidence that outlasts the competition.
  • Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.
  • Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
  • Free freight to the lower 48 — every order ships free, with same-day dispatch on in-stock items.

Upgrade your CAT 303 CR today. Order online for free freight, or call (850) 816-7898. Need a hand matching size and guide? Try the Track Finder.

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CAT 303 CR Tracks & Parts — TrackTECH rubber tracks & undercarriage parts

Track sizes

Heavy-Duty Rubber Tracks for 303CR

  • 300x52.5Wx84 Block Rubber Track
    CAT 303CR 300x52.5Wx84 300x52.5Wx84
    • Heavy Duty | 300x52.5Wx84
    $1,149.00$999.00

    In stock

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  • 100% Virgin Rubber

    Engineered to resist chunking, tearing, and cutting in harsh, abrasive environments.

  • Continuous Steel Cords

    Jointless internal cable architecture eliminates structural weak points and maximizes overall tensile strength.

  • Drop-Forged Links

    Precision heat-treated guide lugs ensure exact sprocket engagement and prevent de-tracking under heavy side-loads.

  • Corrosion Resistant

    The internal steel framework is fully encapsulated to prevent oxidation, rust, and moisture penetration.

  • Reinforced Sidewalls

    Extra-thick vulcanized rubber and tapered edge profiles protect against curb slashing and lateral impacts from jobsite debris.

  • Low-Vibration Tread

    Optimized lug spacing and pitch geometry absorb shock, reducing undercarriage wear and minimizing cabin vibration.

Cat 303CR Rubber Tracks & Parts fitment data

Machine Performance

Operating Weight7496 lb
Horsepower24 HP

Hydraulics & Lift

Standard Flow11 GPM

Verified-fit rubber tracks and undercarriage parts for the Cat 303CR. Confirm size and tread before ordering.

Frequently Asked Questions

What size rubber tracks fit a Cat 303CR?
The Cat 303CR can use 300x52.5x78, 300x52.5x84, 300x52.5x84 or 300x52.5x90 rubber tracks. Match the full size on the track you are replacing before you order. If your machine has more than one track setup, choose the width and guide style that matches the track currently on the machine.