Komatsu PC75UU-1 Rubber Tracks | 450x83.5Kx74 & 450x81Nx76
Heavy-duty 450x83.5Kx74 & 450x81Nx76 replacement rubber tracks for the Komatsu PC75UU-1 mini excavator. Available in Directional tread.
Komatsu PC75UU-1 Track Sizes
- 450x83.5Kx74: 450 mm (18 in) wide, 83.5 mm pitch, 74 links (K guide)
- 450x81Nx76: 450 mm (18 in) wide, 81 mm pitch, 76 links (N guide), about 818.5 lb each
The Komatsu PC75UU-1 is cataloged with 2 track sizes. Check the width x pitch x links marking on your existing tracks and select that size.
Tread Options
- Directional: An open directional lug layout designed for dependable forward and reverse traction with effective cleanout in dirt and loose jobsite material.
Built Heavy Duty
TrackTECH heavy-duty construction combines additional rubber wear material with continuous internal steel reinforcement to support repeated steering, travel, and abrasive jobsite conditions.
Komatsu PC75UU-1 Details
- Warranty: 24 months
- Shipping: free to the contiguous US, typically 1-3 business days
- Returns: 90 days
Ordering
Free shipping to the contiguous US, 90-day returns, and a 24-month warranty against manufacturing defects. Order Now.
ENGINEERED FOR THE JOBSITE
Built Tough
Heavy-duty replacement rubber tracks engineered for compact track loaders, tracked skid steers, mini excavators, mini track loaders, and demanding construction equipment applications.
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100% Virgin Rubber
Engineered to resist chunking, tearing, and cutting in harsh, abrasive environments.
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Continuous Steel Cords
Jointless internal cable architecture eliminates structural weak points and maximizes overall tensile strength.
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Drop-Forged Links
Precision heat-treated guide lugs ensure exact sprocket engagement and prevent de-tracking under heavy side-loads.
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Corrosion Resistant
The internal steel framework is fully encapsulated to prevent oxidation, rust, and moisture penetration.
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Reinforced Sidewalls
Extra-thick vulcanized rubber and tapered edge profiles protect against curb slashing and lateral impacts from jobsite debris.
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Low-Vibration Tread
Optimized lug spacing and pitch geometry absorb shock, reducing undercarriage wear and minimizing cabin vibration.
Frequently Asked Questions
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