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    • CAT 303.5CR replacement track 300x52x90 tread pattern
    • Cat 303.5CR Rubber Track (300×52.5×78W) Mini Excavator Tracks | Direct-Fit Rubber Track
    • Cat 303.5CR Rubber Track (300×52.5×78W) Mini Excavator Tracks | Direct-Fit Rubber Track
    • Cat 303.5CR Rubber Track (300×52.5×78W) Mini Excavator Tracks | Direct-Fit Rubber Track

    CAT 303-5CR Rubber Track | 300x52.5x90

    24-Month Warranty Free Shipping
    Sale Price $843.53 Regular Price $932.10
    Tread Pattern: Directional
    Estimated Delivery: Jan 29 - Feb 02
    Premium Cat 303.5CR Rubber Track (300×52.5×78W) – Heavy-Duty Performance The 300×52.5×78W rubber track for the Cat 303.5CR Mini Excavator is engineered for contractor-grade traction, stability, and long service life in...

    TRACK SPECIFICATIONS

    Technical Dimensions

    Size300x52.5x90
    Width300 mm
    Pitch52.5 mm
    Links90
    Weight389 lbs

    Construction & Features

    Core TechnologyContinuous Steel Cord
    Rubber QualityPremium 100% Virgin Rubber
    Link TypePrecision Drop-Forged Steel
    FitmentDirect-Fit OEM Replacement
    ConditionBrand New

    TREAD PATTERN

    Directional

    Directional tread patterns feature forward-angled lugs optimized for straight-line traction and stability. This design excels in trenching, grading, and precision digging.

    View All Tread Patterns →
    Directional tread pattern close-up

    COMPATIBLE EQUIPMENT

    This track fits the following machines

    300x52.5x90

    FREQUENTLY ASKED QUESTIONS

    Common questions about CAT 303-5CR rubber tracks

    The CAT 303-5CR uses a 300x52.5x90 rubber track. This is the OEM-specified size ensuring proper fitment with your sprockets and undercarriage. Always verify the size stamp on your existing track before ordering.

    All CAT 303-5CR replacement rubber tracks include a 24-month Certified Warranty warranty covering defects in materials and workmanship under normal operating conditions. This applies to contractor-grade use on properly maintained undercarriage systems.

    The CAT 303-5CR is available with Directional tread pattern. C-Block excels on hard surfaces, Zig-Zag provides all-season traction, and Multi-Bar is ideal for turf and landscaping work.

    Orders placed before 12 PM CT ship same day from our Georgia warehouse. Standard delivery is 1-3 business days nationwide. Tracks ship on pallets with free curbside delivery to commercial addresses.

    Three ways to verify fitment: (1) Check the size stamp on your current track. (2) Use our Track Finder tool with your serial number. (3) Call (850) 816-7898 and we will confirm compatibility before you order.