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    • Kubota U45-3 Front Idler | Part #RD411-22303
    • Kubota U45-3 Front Idler | Part #RD411-22303 - close up
    • Kubota U45-3 Front Idler | Part #RD411-22303 - left side
    • Kubota U45-3 Front Idler | Part #RD411-22303 - internal guide lugs

    Kubota U45-3 Front Idler | Part #RD411-22303

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    Sale Price $595.00Regular Price $684.25
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    Kubota U45-3 Front Idler | Part #RD411-22303This replacement front idler is cataloged for Kubota U45-3 and is intended for service in the tracked undercarriage. The front idler supports track routing,...
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    PRODUCT SPECIFICATIONS

    Technical Dimensions

    Part # RD411-22303
    Weight 105.6 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 front idler fits the Kubota U45-3?

    This front idler is listed for the Kubota U45-3 and matches OEM Part #RD411-22303. 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 Kubota U45-3?

    Matching drive sprocket options for the Kubota U45-3 include <a href="/products/kubota-u45-3-sprocket">Kubota U45-3 Sprocket | Part #RD411-14432</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 bottom rollers fit the Kubota U45-3?

    Matching bottom roller or track roller options for the Kubota U45-3 include <a href="/products/kubota-u45-3-track-roller">Kubota U45-3 Track Roller | Part #RD411-21700</a>. Replacing worn rollers before installing new rubber tracks helps keep the undercarriage aligned and reduces uneven wear across the track carcass.

    What top roller fits the Kubota U45-3?

    Matching top roller options for the Kubota U45-3 include <a href="/products/kubota-u45-3-carrier-roller">Kubota U45-3 Carrier Roller | Part #4392416</a>. Top rollers support the upper track path and should be checked for bearing play, flat spots, and uneven wear during undercarriage service.

    Should I inspect the full undercarriage before replacing this Kubota U45-3 part?

    Yes. Sprockets, idlers, rollers, and rubber tracks wear together as a system. Before replacing this part for the Kubota U45-3, inspect the full undercarriage for uneven wear, bearing play, hooked sprocket teeth, and track tension issues.

    How do I confirm this product fits the Kubota U45-3?

    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 Kubota U45-3 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 front idler listed for?

    Current compatible equipment listed in the TrackTECH catalog includes Kubota KX057-4, Kubota KX161-3, Kubota KX161-3S, Kubota U55-4, Kubota U45-3.