What size tracks fit a Hitachi ZX50U?

The Hitachi ZX50U takes 400x72.5x72 tracks as its primary size, with alternates 400x72.5x74.

What other machines share Hitachi ZX50U tracks?

12 other models take the same primary size, including Case CX50C, Caterpillar 304CR, Caterpillar 305.5DCR, Caterpillar 305CR, Hitachi ZX40U.

Hitachi ZX50U Tracks

Mini excavator · current model · produced ~2022 (single listing, approximate) · independently corroborated

The Hitachi ZX50U takes 400x72.5x72 rubber tracks (400 mm, about 16 in wide; 72.5 mm pitch; 72 links). An alternate size is 400x72.5x74.

Fitment detail

Configuration	Size	Width	Pitch	Links
Primary	`400x72.5x72`	400 mm / ~16"	72.5 mm	72
Alternate	`400x72.5x74`	400 mm / ~16"	72.5 mm	74

Specifications and sources

Spec	Value	Source
Primary track size	400x72.5x72	skidsteers.com
Alternate track sizes	400x72.5x74	skidsteers.com
Production years	2022 (single listing, approximate)	machinerypete.com

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

Tracks you can buy for the ZX50U

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

Mx Tread 3
BD 2
Block Tread 1

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

`400x72.5nx74` 4 options

Tread	Duty	Price	Stock	From
BD	Heavy	$2649.60 / pair	out of stock	skidsteers.com
BD	Heavy	$3439.80 / pair	in stock	skidsteers.com
Mx Tread	Heavy	$4270.50 / pair	out of stock	skidsteers.com
Mx Tread	Extreme	$4537.80 / pair	out of stock	skidsteers.com

`400x72.5wx72` 2 options

Tread	Duty	Price	Stock	From
Block Tread	Heavy	$2565.00 / pair	in stock	skidsteers.com
Mx Tread	Extreme	$2565.00 / pair	in stock	skidsteers.com

Available from

Seller	Observed price	Options seen	Ships	Checked
fortishd.com	$1604 / set	C-lug, zigzag, multi-bar, block	same or next-day shipping	2026-08-19
skidsteers.com	$2565–$4537.80 / set	block, multi-bar · 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

12 other machines take the ZX50U's primary size (400x72.5x72):

Hitachi track size chart: every model →

Undercarriage parts for the ZX50U

Component	Observed price	From	Checked
Idler front	$638.10	skidsteers.com	2026-08-18
Roller	$95.10–$140.90	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, independently corroborated across two sources.

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