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    Komatsu PC45-1 Bottom Roller | Part #20T-30-00071

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    Komatsu PC45-1 Bottom Roller | Part #20T-30-00071This replacement bottom roller is cataloged for Komatsu PC45-1 and is intended for service in the tracked undercarriage. The bottom roller carries machine load...
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    PRODUCT SPECIFICATIONS

    Technical Dimensions

    Part # 20T-30-00071
    Weight 19.0 lbs

    Construction & Features

    DurabilityHeavy duty only
    FitmentDirect OEM match
    ConstructionDrop forged steel
    ConstructionHeat-treated hardening

    Frequently Asked Questions

    Fitment, availability, fulfillment, and support for this product

    What bottom roller / track roller fits the Komatsu PC45-1?

    This bottom roller / track roller is listed for the Komatsu PC45-1 and matches OEM Part #20T-30-00071. Before ordering, compare your machine make, model, serial number, and existing part number to confirm the correct undercarriage position and fitment.

    What sprocket fits the Komatsu PC45-1?

    Matching drive sprocket options for the Komatsu PC45-1 include <a href="/products/komatsu-pc45-1-sprocket">Komatsu PC45-1 Sprocket | Part #20T-27-71111</a>. When installing new rubber tracks, inspect sprockets for hooked, sharp, or uneven teeth because worn sprockets can shorten track life and damage the drive lugs.

    What top roller fits the Komatsu PC45-1?

    Matching top roller options for the Komatsu PC45-1 include <a href="/products/komatsu-pc45-1-carrier-roller">Komatsu PC45-1 Carrier Roller | Part #RD411-22900</a>. Top rollers support the upper track path and should be checked for bearing play, flat spots, and uneven wear during undercarriage service.

    What rubber tracks pair with this bottom rollers?

    Matching rubber track options connected to this Komatsu PC45-1 undercarriage setup include <a href="/products/komatsu-pc45-1-rubber-tracks">Komatsu PC45-1 Rubber Tracks | 400x72.5Kx72 (Part #400X72.5KX72)</a>. 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 Komatsu PC45-1 part?

    Yes. Sprockets, idlers, rollers, and rubber tracks wear together as a system. Before replacing this part for the Komatsu PC45-1, inspect the full undercarriage for uneven wear, bearing play, hooked sprocket teeth, and track tension issues.

    How do I confirm this product fits the Komatsu PC45-1?

    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 <a href="/pages/rubber-track-finder">TrackTECH Track Finder</a> or call <a href="tel:8508167898">(850) 816-7898</a> before ordering.

    How fast does TrackTECH ship Komatsu PC45-1 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 <a href="/pages/shipping">TrackTECH shipping information</a> or contact us before ordering if you need priority freight options.

    What machines is this bottom roller listed for?

    Current compatible equipment listed in the TrackTECH catalog includes Komatsu PC50UU-1, Komatsu PC45-1.