CAT 304ECR Tracks & Parts

Outfit your CAT 304ECR mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size 300x52.5Wx90, backed by a 24-month warranty and free freight to the lower 48.

CAT 304ECR Track Specs

  • Track size: 300x52.5Wx90
  • Width: 300 mm
  • Pitch: 52.5 mm
  • Links: 90
  • Guide: Wide guide

Tread Patterns

  • Directional — Angled directional lugs purpose-built for excavation, grading and trenching.

CAT 304ECR Undercarriage Lineup

Complete the rebuild with matched-fit components for the CAT 304ECR:

Also Fits These Machines

The 300x52.5Wx90 track size is shared across these models — same track, verified cross-fit:

What You Get with TrackTECH

  • Drop-forged steel links for strength where the track meets the drive system.
  • Endless high-tensile cables — single-cure construction with no weak splice point.
  • 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 304ECR today. Order online for free freight, or call (850) 816-7898. Need a hand matching size and guide? Try the Track Finder.

Free US Shipping100% Fit GuaranteePremium OEM Quality

Find Your Track Call TrackTECH
CAT 304ECR Tracks & Parts — TrackTECH rubber tracks & undercarriage parts

Track sizes

Rubber tracks

  • heavy duty 300x52 5wx90 directional 01 hero
    CAT 304E CR 300x52.5Wx90 Non-Directional
    • Heavy Duty | 300x52.5Wx90
    $1,109.00$1,009.00

    In stock

    Add to quote

Which tread fits CAT 304ECR?

Pick a tread for your jobsite — then buy above.
+ Recommended surface- Not the primary use— Application dependent
PatternBest UseKey TraitsRoadClayGravelMulchMudTurfAction
N NdMachine-matched track option Available for this machine from the governed TrackTECH fitment record. Review the track option above for current price and availability.
  • Governed Fitment
  • Machine-Matched
  • Current Commerce Data
——————View

Built for Heavy Duty Use

Heavy-Duty Track Construction

Setting a new standard in heavy-duty performance. Find your exact fit, reduce avoidable downtime, and keep your machine working — not waiting.

  • Brand New

    New belts — not remills or retreads.

  • Heavy-Duty Steel Guides

    Precision-formed internal steel components support consistent sprocket engagement.

  • Continuous Steel Cord

    Continuous internal steel reinforcement supports belt strength under repeated load.

  • Premium Wear-Resistant Rubber

    Heavy-duty rubber construction built for abrasion and daily commercial use.

  • Precision Fitment

    Governed width, pitch, and link count for the machine application.

  • High-Traction, Low-Vibration

    Tread patterns matched to the jobsite.

CAT 304ECR fitment data

Fitment & Part Numbers

Track Size300x52.5Wx90
Sprocket264-5371
Idler267-4829
Roller266-8793
About CAT 304ECR Tracks & Parts

Outfit your CAT 304ECR mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size 300x52.5Wx90 , backed by a 24-month warranty and free freight to the lower 48. CAT 304ECR Track Specs Track size: 300x52.5Wx90 Width: 300 mm Pitch: 52.5 mm Links: 90 Guide: Wide guide Tread Patterns Directional — Angled directional lugs purpose-built for excavation, grading and trenching. CAT 304ECR Undercarriage Lineup Complete the rebuild with matched-fit components fo

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Frequently Asked Questions

Common fitment, shipping, and rubber track replacement questions

Will this track fit my CAT 304ECR?
Yes — this track is matched to the CAT 304ECR by size and tread pattern.
How long do CAT 304ECR rubber tracks last?
Most rubber tracks last 1,200–1,600 operating hours depending on terrain, alignment, and tension. Keeping tracks tensioned and clearing debris daily extends life.
Do CAT 304ECR tracks sell in pairs?
Tracks are priced individually; a full machine needs two. Most owners replace both at once so wear stays even.