CAT 306CR Rubber Tracks | 400x72.5Wx76
Heavy-duty 400x72.5Wx76 replacement rubber tracks for the CAT 306CR mini excavator. This machine runs at 13,800 lb operating weight with a 56 hp engine. Available in Block tread.
CAT 306CR Track Size
- 400x72.5Wx76: 400 mm (16 in) wide, 72.5 mm pitch, 76 links (W guide)
Track size is width x pitch x links. Match all three to the marking on your existing tracks.
Tread Options
- Block: A block-pattern tread that favors stable ground contact and abrasion resistance across dirt, gravel, and mixed surfaces.
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.
CAT 306CR Details
- Operating weight: 13,800 lb
- Engine: 56 hp
- Model notes: 6 ton.
- Warranty: 24 months
- Shipping: free to the contiguous US, typically 1-3 business days
- Returns: 90 days
Undercarriage Parts for the CAT 306CR
Tracks wear with the undercarriage. Inspect and replace worn parts together:
- CAT 306CR Bottom Roller #340-8957
- CAT 306CR Front Idler #241-5973
- CAT 306CR Sprocket #158-4795
- CAT 306CR Top Roller #277-8576
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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