Komatsu PC75UU-3 Tracks & Parts

Outfit your Komatsu PC75UU-3 mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size 450x81Nx76, backed by a 24-month warranty and free freight to the lower 48.

Komatsu PC75UU-3 — Track Spec Sheet

Track size: 450x81Nx76
Width: 450 mm
Pitch: 81.0 mm
Links: 76
Guide: Offset guide

Tread Options for the Komatsu PC75UU-3

Directional — The excavation specialist — directional tread optimized for digging and slope work.

Komatsu PC75UU-3 Undercarriage Parts

Pair your tracks with the right undercarriage parts for the Komatsu PC75UU-3:

Drive Sprocket — OEM Part #21W-27-31112
Bottom Roller — OEM Part #201-30-00291

Also Fits These Machines

These machines run the same 450x81Nx76 track, so this fitment crosses over:

The TrackTECH Difference

Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.
Continuous steel cord — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.
Premium virgin rubber — anti-chunk compound built for long service life in abrasive conditions.
Drop-forged steel links for strength where the track meets the drive system.

Ready to roll? Buy your Komatsu PC75UU-3 undercarriage online now — or reach a track specialist at (850) 816-7898. Use the Track Finder to confirm the right build.

Free US Shipping100% Fit GuaranteePremium OEM Quality

Find Your Track Call TrackTECH

Komatsu PC75UU-3 Tracks & Parts — TrackTECH rubber tracks & undercarriage parts

Track sizes

450x81Nx76

Rubber tracks

Komatsu PC75UU-3 450x81Nx76 Directional
- Heavy Duty | 450x81Nx76
$2,219.00
In stock

Add to quote

Which tread fits Komatsu PC75UU-3?

Pick a tread for your jobsite — then buy above.

+ Recommended surface- Not the primary use— Application dependent

Pattern	Best Use	Key Traits	Road	Clay	Gravel	Mulch	Mud	Turf	Action
D DirectionalMachine-matched track option	Available for this machine from the governed TrackTECH fitment record. Review the track option above for current price and availability.	Governed Fitment Machine-Matched Current Commerce Data	—	—	—	—	—	—	View

Built for Heavy Duty Use

Heavy-Duty Track Construction

Setting a new standard in heavy-duty performance. Find your exact fit, reduce avoidable downtime, and keep your machine working — not waiting.

Brand New
New belts — not remills or retreads.
Heavy-Duty Steel Guides
Precision-formed internal steel components support consistent sprocket engagement.
Continuous Steel Cord
Continuous internal steel reinforcement supports belt strength under repeated load.
Premium Wear-Resistant Rubber
Heavy-duty rubber construction built for abrasion and daily commercial use.
Precision Fitment
Governed width, pitch, and link count for the machine application.
High-Traction, Low-Vibration
Tread patterns matched to the jobsite.

Komatsu PC75UU-3 fitment data

Fitment & Part Numbers

Track Size	450x81Nx76

Related Collections

Will this track fit my Komatsu PC75UU-3?

Yes — this track is matched to the Komatsu PC75UU-3 by size and tread pattern.

Do Komatsu PC75UU-3 tracks sell in pairs?

Tracks are priced individually; a full machine needs two. Most owners replace both at once so wear stays even.

How fast will my track ship?

In-stock tracks ship fast from US warehouses, most within 1–2 business days, with tracking sent as soon as it leaves the dock.

Are these OEM or aftermarket Komatsu PC75UU-3 tracks?

OEM-grade aftermarket tracks built to factory fitment for the Komatsu PC75UU-3 — same dimensions and guide type, continuous steel-cord belt, at a better price than dealer OEM.