TrackFitment

Case CX31B Tracks

Mini excavator · current model · independently corroborated

The Case CX31B takes 300x52.5x82 rubber tracks (300 mm, about 12 in wide; 52.5 mm pitch; 82 links). An alternate size is 300x52.5x88.
6679lb weight
28.4hp

Fitment detail

ConfigurationSizeWidthPitchLinks
Primary300x52.5x82 300 mm / ~12" 52.5 mm82
Alternate300x52.5x88 300 mm / ~12" 52.5 mm88

Specifications and sources

SpecValueSource
Primary track size300x52.5x82mclarenindustries.com
Alternate track sizes300x52.5x88mclarenindustries.com
Operating weight6679 lbritchiespecs.com
Engine power28.4 hpritchiespecs.com

Track size independently corroborated by a second source: grizzlyrubbertracks.com.

Tracks you can buy for the CX31B

Available tread patterns (schematics are our own drawings, verified against seller product photos):

3 products across 1 sellers — every distinct tread pattern and duty tier we verified. Observed prices, dated.

300x52.5x82 — 12" wide 2 options

TreadDutyPriceStockFrom
Directional Block — — unknown mclarenindustries.com
TDF — — unknown mclarenindustries.com

320x54x78 — 13" wide 1 options

TreadDutyPriceStockFrom
Tj — — unknown mclarenindustries.com

These tracks also fit

3 other machines take the CX31B's primary size (300x52.5x82):

Case track size chart: every model →

Undercarriage parts for the CX31B

ComponentObserved priceFromChecked
Track available mclarenindustries.com 2026-08-18

Before you order

Width, pitch, and link count must all match — measure your current tracks to confirm, and check your operator's manual for serial-number-specific variations.

Data verified 2026-10-01; aftermarket cross-reference sizes, independently corroborated across two sources.

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