The 300x53Wx84 Heavy Duty rubber track (12-inch) is a verified replacement for Kubota K035-3, KX033-4, KX035-3, KX101-3, U35-3S and U35-4 mini excavators. This 84-link configuration is built for predictable excavator travel, stable positioning and reliable wear across hard and mixed surfaces.
Confirm the Full Size Match the width, pitch and link count of the 300x53x84 against your existing track, or use the TrackTECH Rubber Track Finder to confirm fitment for your machine before ordering.
TrackTECH Advantage:
- Continuous Steel Cord: Jointless internal cable construction reinforces the track against stretching and high-load stress.
- Forged Steel Links: Heat-treated internal guide links help maintain consistent sprocket engagement during travel and repositioning.
- Mixed-Surface Performance: Tread geometry supports steady movement across asphalt, concrete, rock, gravel and compacted ground.
- Reinforced Sidewalls: Heavy-duty rubber helps resist curb damage, cuts and debris impacts around excavation sites.
Durable Mixed-Surface Performance. Best suited for mini excavator replacement use where stable travel, controlled maneuvering and dependable wear matter across both hard and loose surfaces.
Technical Specifications
Track Size (Metric): 300x53x84 (300 mm Width × 53 mm Pitch × 84 Links)
Track Width (Imperial): Approximately 11.81 inches by metric conversion
Guide System / Lug Type: Standard Conventional Pitch Lug (Machine-Specific Fitment Verified)
Guide lug geometry is machine-specific and not interchangeable across guide codes
Tread Pattern: MX
Operating Weight: 320 lbs (per single track)
Construction: Continuous jointless steel cord, forged heat-treated steel guide links, 100% virgin natural & synthetic rubber
Warranty: 24-Month Priority Replacement Warranty
Frequently Asked Questions
Fitment, availability, fulfillment, and support for this product
How do I confirm this rubber track fits my machine?
Start by matching the full size stamped on the track you are replacing: 300x53x84. Make, model, width, pitch, links, and guide style all matter. Use the machine and configuration choices on this page to narrow it to the correct option.
What tread pattern is this track?
This option uses the MX tread. Tread choice affects traction, cleanout, ride, and wear, so pick for the surface you work most. Compare the patterns in our tread pattern guide.
How fast can this track ship?
Qualifying in-stock rubber track orders can ship the same business day when placed before 12 PM CT. Transit time depends on the exact item and delivery ZIP, so use the live availability on this page or see our shipping policy for details.
What warranty comes with this rubber track?
Eligible TrackTECH rubber tracks have 24-month manufacturing-defect coverage, subject to the warranty certificate and terms. Qualifying claims receive full replacement of the affected track after approval and verification. Submit your order number, machine details, track size, issue description, and clear photos. See the warranty terms for coverage and claim requirements.
Should I inspect the undercarriage before installing new tracks?
Yes. Check the sprockets, rollers, idlers, track tension, and alignment before installing a new track. Worn steel parts can shorten track life and cause uneven wear. Browse undercarriage parts or send us a photo if you want help checking what should be replaced.
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