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 PC30MR-3 mini excavator with heavy-duty replacement rubber tracks built to OEM specs in size 300x52.5Kx86, backed by a 24-month warranty and free freight to the lower 48.
Komatsu PC30MR-3 Track Specs
- Track size: 300x52.5Kx86
- Width: 300 mm
- Pitch: 52.5 mm
- Links: 86
- Guide: Offset guide (Kubota profile)
Choose Your Tread
- Directional — Mini-excavator standard — angled lugs for digging, grading and trenching traction.
Matched Undercarriage Components
Complete the rebuild with matched-fit components for the Komatsu PC30MR-3:
- Drive Sprocket — OEM Part #1032265
- Top Roller — OEM Part #9237948
- Bottom Roller — OEM Part #4340535
Also Fits These Machines
These machines run the same 300x52.5Kx86 track, so this fitment crosses over:
- Case CX33C
- Case CX37C
- Hitachi ZX30U-5
- Hitachi ZX35U-5
- Hyundai R35Z-9
- John Deere 35D
- John Deere 35ZTS
- Komatsu PC35MR-3
- Komatsu PC35MR-5
- New Holland E33C
The TrackTECH Advantage
- Drop-forged steel links for strength where the track meets the drive system.
- 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.
- Precision OEM alignment — a reinforced roller path keeps running smooth and vibration low.
Order your Komatsu PC30MR-3 tracks and parts today, or call (850) 816-7898 for build help. Not sure on size or guide? The Track Finder has you covered.
Direct Replacement Rubber Tracks for the Komatsu PC30MR-3
Direct replacement rubber tracks for the Komatsu PC30MR-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 PC30MR-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.
