What size tracks fit a Bobcat T66?

The Bobcat T66 takes 320x86x50 tracks as its primary size, with alternates 400x86x50.

What other machines share Bobcat T66 tracks?

16 other models take the same primary size, including Bobcat T64, Case 420CT, Case 440CT, Case TR270, Case TR270B.

Bobcat T66 Tracks

Compact track loader · current model · produced ~2020-2026 · independently corroborated

The Bobcat T66 takes 320x86x50 rubber tracks (320 mm, about 13 in wide; 86 mm pitch; 50 links). An alternate size is 400x86x50.

Fitment detail

Configuration	Size	Width	Pitch	Links
Primary	`320x86x50`	320 mm / ~13"	86 mm	50
Alternate	`400x86x50`	400 mm / ~16"	86 mm	50

Specifications and sources

Spec	Value	Source
Primary track size	320x86x50	skidsteers.com
Alternate track sizes	400x86x50	skidsteers.com
Production years	2020-2026 (approximate, from used-equipment listings)	machinerypete.com

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

Tracks you can buy for the T66

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

Block 4
C-Lug 3
Sawtooth 3
Multi-Bar 2
Z 2
XT 1
BD 1

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

`320x86x50` — 13" wide 9 options

Tread	Duty	Price	Stock	From
C-Lug	standard	$1886.40 / set	no	skidsteers.com
C-Lug	HD	$1667.70 / set	yes	skidsteers.com
Block	HD	$1668.60 / set	yes	skidsteers.com
Sawtooth	HD	$1668.60 / set	yes	skidsteers.com
Multi-Bar	HD	$1668.60 / set	yes	skidsteers.com
XT	HD	$1966.50 / set	no	skidsteers.com
Z	HD	$2033.10 / set	yes	skidsteers.com
BD	extreme	$2233.80 / set	yes	skidsteers.com
Block	extreme	$2850.30 / set	yes	skidsteers.com

`400x86x50` — 16" wide 7 options

Tread	Duty	Price	Stock	From
C-Lug	standard	$2180.70 / set	no	skidsteers.com
Block	HD	$2005.20 / set	yes	skidsteers.com
Multi-Bar	HD	$2005.20 / set	yes	skidsteers.com
Sawtooth	HD	$2005.20 / set	yes	skidsteers.com
Z	HD	$2301.30 / set	yes	skidsteers.com
Sawtooth	HD	$2984.40 / set	no	skidsteers.com
Block	extreme	$3587.40 / set	yes	skidsteers.com

Available from

Seller	Observed price	Options seen	Ships	Checked
fortishd.com	$1025–$1167 / track	block, C-lug, multi-bar, zigzag	same or next-day shipping	2026-08-19
skidsteers.com	$1667.70–$3587.40 / set	block, C-lug, multi-bar, zigzag · standard, HD, XD	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

16 other machines take the T66's primary size (320x86x50):

Bobcat track size chart: every model →

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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