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    • CAT 303CR Top Roller | Part #193-7070
    • CAT 303CR Top Roller | Part #193-7070 - close up
    • CAT 303CR Top Roller | Part #193-7070 - left side
    • CAT 303CR Top Roller | Part #193-7070 - internal guide lugs

    CAT 303CR Top Roller | Part #193-7070

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    CAT 303CR Top Roller | Part #193-7070This replacement top roller is cataloged for CAT 303CR and is intended for service in the tracked undercarriage. The top roller supports the return...
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    PRODUCT SPECIFICATIONS

    Technical Dimensions

    Part # 193-7070
    Weight 7.92 lbs

    Construction & Features

    DurabilityHeavy duty only
    FitmentOEM-reference match
    ConstructionDrop forged steel
    FinishHeat-treated hardening

    Frequently Asked Questions

    Fitment, availability, fulfillment, and support for this product

    What top roller fits the Cat 303CR?
    This top roller is listed for the Cat 303CR and matches OEM Part #193-7070. Before ordering, compare your machine make, model, serial number, and existing part number to confirm the correct undercarriage position and fitment.
    What bottom rollers fit the Cat 303CR?
    Matching bottom roller or track roller options for the Cat 303CR include CAT 303CR Track Roller | Part #185-7280. Replacing worn rollers before installing new rubber tracks helps keep the undercarriage aligned and reduces uneven wear across the track carcass.
    What front idler fits the Cat 303CR?
    Matching front idler options for the Cat 303CR include CAT 303CR Front Idler | Part #172-2100. Front idlers guide the track and help maintain proper tension, so inspect the flange, bearing condition, and wear surface before installing new tracks.
    What rubber tracks pair with this top rollers?
    Matching rubber track options connected to this Cat 303CR undercarriage setup include CAT 303CR Rubber Tracks | 300x52.5Wx84 (Part #300X52.5WX90). If you are replacing this part, inspect the full undercarriage so the new component and rubber tracks wear evenly together.
    Should I inspect the full undercarriage before replacing this Cat 303CR part?
    Yes. Sprockets, idlers, rollers, and rubber tracks wear together as a system. Before replacing this part for the Cat 303CR, inspect the full undercarriage for uneven wear, bearing play, hooked sprocket teeth, and track tension issues.
    How do I confirm this product fits the Cat 303CR?
    Confirm fitment by checking your machine make, model, serial number, and existing track size or OEM part number. For rubber tracks, verify width, pitch, and link count. For undercarriage parts, compare the part number, bolt pattern, tooth count, and machine position. You can also use the TrackTECH Track Finder or call (850) 816-7898 before ordering.
    How fast does TrackTECH ship Cat 303CR parts?
    TrackTECH ships rubber tracks and undercarriage parts quickly across the Lower 48. Heavy items typically ship by freight, while smaller undercarriage parts may ship by parcel depending on warehouse availability. Review TrackTECH shipping information or contact us before ordering if you need priority freight options.
    Where can I buy this top roller?
    TrackTECH supplies new replacement top roller options with low direct pricing, free shipping and fast nationwide delivery. Current price and availability are shown on the product page.