What size tracks fit a IHI 55N?

The IHI 55N takes 400x72.5x74 tracks as its primary size.

What other machines share IHI 55N tracks?

20 other models take the same primary size, including Bobcat E45, Bobcat E50, Bobcat E55, Case CX55B, Hitachi ZX50U.

IHI 55N Tracks

Mini excavator · legacy model · independently corroborated

The IHI 55N takes 400x72.5x74 rubber tracks (400 mm, about 16 in wide; 72.5 mm pitch; 74 links).

Fitment detail

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

Specifications and sources

Spec	Value	Source
Primary track size	400x72.5x74	skidsteers.com

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

Tracks you can buy for the 55N

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.

`400x72.5x74` — 16" wide 2 options

Tread	Duty	Price	Stock	From
MX	Heavy Duty	$2788.20 / set of 2	in stock	skidsteers.com
MX	Extreme Duty	$4537.80 / set of 2	out of stock	skidsteers.com

Available from

Seller	Observed price	Options seen	Ships	Checked
fortishd.com	$1604 / track	C-lug, zigzag, multi-bar, block	same or next-day shipping	2026-08-19
skidsteers.com	$2788.2–$4537.8 / set	· 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

20 other machines take the 55N's primary size (400x72.5x74):

IHI 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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