CAT 304CR Rubber Tracks & Parts

Shop heavy-duty rubber tracks and undercarriage parts for the CAT 304CR. TrackTECH maps 350x52.5x90 or 400x72.5Wx72 to this mini excavator and clears the correct direct-fit configuration before release. Built for commercial work, shipped fast, and backed by a certified 24-month track warranty.

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CAT 304CR mini excavator

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Rubber Tracks for 304CR

Heavy Duty
  • CAT 304CR 400x72.5Wx72 Block rubber track
    Block
    • Heavy Duty
    • 400x72.5Wx72
    • 16" wide
    • General construction, dirt, hard surfaces, mud, rip rap, and mixed jobsites.
    $1,650.00$1,716.00

    In stock

    Get quote

Application guide

Which tread is best for CAT 304CR?

Compare the tread families currently mapped to this machine and choose the pattern that best matches the ground you work most.

Block rubber track tread pattern close-up

Block

Best for: General construction, dirt, hard surfaces, mud, rip rap, and mixed jobsites.

Large-lug multi-purpose tread for dependable traction across dirt, hard surfaces, mud, rip rap, and mixed construction conditions.

  • Dirt
  • Hard surface
  • Mud
  • Rip rap
  • Mixed
View Block tracks

  • 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 304CR fitment data

Machine Performance

Operating Weight9900 lb
Horsepower36 HP
ROC / Bucket Force10500 lb

Hydraulics & Lift

Standard Flow15 GPM

Fitment & Part Numbers

Track Size400x72.5Wx72, 350x52.5x90
Sprocket158-4795
Idler241-5973
Roller340-8957
About CAT 304CR Tracks & Parts

Replacement CAT 304CR rubber tracks built for this mini excavator. Built for your machine — exact width, pitch, and lug profile — with high-tensile continuous steel cord for dominant strength and maximum traction.

  • High-tensile continuous steel cord for dominant strength and de-track resistance
  • Heavy-duty performance-grade tread for maximum traction in any ground condition
  • Advanced rubber compound that resists stretching and premature tearing
  • Built for your machine — exact width, pitch, and guide profile

Matched by machine

No guesswork. Photo verification ships with every order, and you can call, text, or FaceTime us anytime to lock in the right fit the first time.

Backed by a certified 24-month warranty — we stand behind every track. Free shipping and dealer-direct pricing on every order. Heavy Duty Comes Standard. Buy Now.

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Frequently Asked Questions

Common fitment, shipping, and rubber track replacement questions

What rubber track options are available for the CAT 304CR?
The current certified TrackTECH equipment record maps CAT 304CR to 400x72.5Wx72, 350x52.5x90. Exact size-and-tread purchasing options are shown on the track cards and linked configuration pages.
How does TrackTECH confirm fitment for the CAT 304CR?
Fitment is matched from the machine record to the exact track size and then to the canonical product and variant used for fulfillment. This machine has more than one mapped configuration, so the matching configuration is confirmed before fulfillment.
Which tread patterns are available for the CAT 304CR?
Current canonical tread families mapped to this machine include Block. Use the application guide on this page to compare the patterns by terrain and job type.
Can I compare tread patterns before ordering?
Yes. TrackTECH organizes tread families by the work they are best suited for, including dirt, gravel, mud, snow, turf, hard surfaces, forestry, mulching, and mixed jobsites where applicable.
What support comes with TrackTECH rubber tracks?
Rubber-track orders include free shipping in the lower 48 and are backed by a 24-month warranty. TrackTECH also provides fitment support before fulfillment.