What size tracks fit a Kubota KX91-3?

The Kubota KX91-3 takes 300x53x80 tracks as its primary size.

What other machines share Kubota KX91-3 tracks?

3 other models take the same primary size, including Kubota KX71-3, Kubota U25, Kubota U25-3.

Kubota KX91-3 Tracks

Mini excavator · current model

The Kubota KX91-3 takes 300x53x80 rubber tracks (300 mm, about 12 in wide; 53 mm pitch; 80 links).

7110lb weight

28hp

Fitment detail

Configuration	Size	Width	Pitch	Links
Primary	`300x53x80`	300 mm / ~12"	53 mm	80

Specifications and sources

Spec	Value	Source
Primary track size	300x53x80	skidsteers.com
Operating weight	7110 lb	ritchiespecs.com
Engine power	28 hp	ritchiespecs.com

Tracks you can buy for the KX91-3

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

MX 2

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

`300x53x80` — 12" wide 2 options

Tread	Duty	Price	Stock	From
MX	HD	$1997.10 / set	yes	skidsteers.com
MX	HD	$2770.20 / set	no	skidsteers.com

Available from

Seller	Observed price	Options seen	Ships	Checked
skidsteers.com	$2770.20 / set	Camso Heavy Duty MX Tread · heavy duty	not stated	2026-08-19

Sellers listed alphabetically — every seller we independently verified for this machine. Prices are observed public listings on the dated check, not offers by this site; this site sells nothing and has no affiliate relationships.

These tracks also fit

3 other machines take the KX91-3's primary size (300x53x80):

Kubota track size chart: every model →

Undercarriage parts for the KX91-3

Component	Observed price	From	Checked
Idler front	$604.11	skidsteers.com	2026-08-18
Roller	$148.08–$186.67	skidsteers.com	2026-08-18
Sprocket	$179.49	skidsteers.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.

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