C-Block Tracks
C-block rubber tracks built for dependable traction, durability, and daily performance across dirt, gravel, clay, and mixed construction jobsite conditions.
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:
- Case CX75C Tracks
- Case CX75SR
- Hitachi ZX75US-3
- Hyundai ROBEX80CR-9A
- JCB JZ70
- Komatsu PC75UU-1
- Sany SY75C Tracks
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.
Direct Replacement Rubber Tracks for the Komatsu PC75UU-3
Direct replacement rubber tracks for the Komatsu PC75UU-3 are built for heavy-duty compact equipment applications where traction, stability, and uptime matter. These tracks are designed for dependable grip, smooth travel, and consistent performance across dirt, clay, gravel, demolition debris, utility work, grading, land clearing, excavation, and mixed jobsite terrain.
Heavy-Duty Construction for Daily Work
Premium virgin rubber compounds help resist tearing, chunking, cracking, dry rot, and premature tread wear under demanding field conditions. Continuous steel cord reinforcement adds internal strength, helps reduce stretching, and supports stable track performance through repeated turning, travel, and loading.
OEM Fit Guarantee
Machine-specific sizing, steel link spacing, and guide lug geometry are built for proper undercarriage engagement on the Komatsu PC75UU-3. Precision-aligned fitment helps support smooth travel, stable tracking, reduced vibration, and reliable sprocket contact.
Built to Protect the Undercarriage System
A well-built rubber track helps improve machine control while limiting unnecessary stress on rollers, idlers, and sprockets. For contractors running Komatsu equipment, that means better ride quality, stronger traction, less downtime, and better value over the life of the track.
Frequently Asked Questions
What size rubber track does the Komatsu PC75UU-3 use?
The Komatsu PC75UU-3 uses a 450x81Nx76 rubber track. Note the N (narrow guide) guide-lug type — other guide types won't seat correctly on the rollers. Always confirm against your current track or the machine's spec plate, since some units shipped with more than one option.
Will this track fit my Komatsu PC75UU-3?
Yes — this track is matched to the Komatsu PC75UU-3 by size and tread pattern. If your machine has a serial break or factory option, send the serial number and we'll verify fitment before shipping.
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.
