Case CX31B Rubber Tracks & Parts

Outfit your Case CX31B mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size 300x52.5Kx88, backed by a 24-month warranty and free freight to the lower 48.

Case CX31B Track Specs

  • Track size: 300x52.5Kx88
  • Width: 300 mm
  • Pitch: 52.5 mm
  • Links: 88
  • Guide: Offset guide (Kubota profile)

Choose Your Tread

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

Case CX31B Undercarriage Parts

Every wear part for the Case CX31B undercarriage, fit-verified and ready to ship:

Also Fits These Machines

These machines run the same 300x52.5Kx88 track, so this fitment crosses over:

The TrackTECH Advantage

  • Premium virgin rubber — anti-chunk compound built for long service life in abrasive conditions.
  • 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.

Ready to roll? Buy your Case CX31B undercarriage online now — or reach a track specialist at (850) 816-7898. Use the Track Finder to confirm the right build.

Free US Shipping100% Fit GuaranteePremium OEM Quality

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Case mini excavator parts

Track sizes

Heavy-Duty Rubber Tracks for CX31B

  • 300x52.5x88 directional heavy-duty rubber track
    Case CX31B 300x52.5Kx88 Directional
    • Heavy Duty | 300x52.5Kx88

    Request quote

    Add to quote
  • 300x52.5x82 block heavy-duty rubber track
    Case CX31B 300x52.5Wx82 Staggered-Block
    • Heavy Duty | 300x52.5Wx82
    • Smooth Ride
    • Easy Turning
    • Cut Resistant

    Request quote

    Add to quote

Which tread fits Case CX31B?

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.

Case CX31B Rubber Tracks & Parts fitment data

Verified-fit rubber tracks and undercarriage parts for the Case CX31B. Confirm size and tread before ordering.

Frequently Asked Questions

What size rubber tracks fit a Case CX31B?
Verified rubber track sizes for the Case CX31B include 300x52.5kx88, 300x52.5wx82. Confirm the installed undercarriage configuration, guide type, and link count before ordering when more than one verified size applies.