CAT 305E CR Rubber Tracks

Free US Shipping100% Fit GuaranteePremium OEM Quality

Shop Parts
CAT 305ECR mini excavator

Track sizes

Heavy-Duty Rubber Tracks for 305E CR

  • 400x72.5x76 block heavy-duty rubber track
    CAT 305E CR 400x72.5x76 Staggered-Block
    • Heavy Duty | 400x72.5x76
    • Smooth Ride
    • Easy Turning
    • Cut Resistant
    $1,800.50$1,731.25

    In stock

    Add to quote

Which tread fits CAT 305ECR?

Pick a tread for your jobsite — then buy above.
+ Recommended surface- Not the primary use— Application dependent
PatternBest UseKey TraitsRoadClayGravelMulchMudTurfAction
Staggered Block Staggered BlockSmooth turning A smoother-riding tread option with easier turning and dependable cut resistance on mixed surfaces.
  • Smooth Ride
  • Easy Turning
  • Cut Resistant
+-+--+View

  • 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 305ECR fitment data

Fitment & Part Numbers

Track Size400x72.5x76
Sprocket1
Idler2
Roller2

Frequently Asked Questions

Common fitment, shipping, and rubber track replacement questions

What rubber tracks are compatible with the CAT 305ECR?
The CAT 305ECR is cataloged with multiple track configurations: 400x73Yx76, 400x72.5x76.
What are the best rubber tracks for the CAT 305ECR?
The best CAT 305ECR track depends on terrain and application. Current tread choices include Block — general construction, dirt, hard surfaces, mud, rip rap and mixed jobsites; Directional — mini excavator digging and travel. Compare traction, ride quality, cleanout, ground disturbance and wear for the work you do most.
Where can I buy new tracks for a CAT 305ECR?
TrackTECH offers new heavy-duty replacement tracks for the CAT 305ECR 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 305ECR rubber tracks cost?
Price depends on track size, tread pattern and whether you are replacing one track or a pair. Compare the current CAT 305ECR options and live pricing on TrackTECH rather than relying on a generic model estimate.
Should I replace worn tracks on a used CAT 305ECR?
If a used CAT 305ECR 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 305ECR?
Yes. The current TrackTECH machine record lists these available part families for the CAT 305ECR: Tracks, Sprockets, Idlers, Rollers. Availability and pricing are shown with the corresponding products.