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    • Kubota KX101-3 Bottom Roller | Part #RB511-21702
    • Kubota KX101-3 Bottom Roller | Part #RB511-21702 - close up
    • Kubota KX101-3 Bottom Roller | Part #RB511-21702 - left side
    • Kubota KX101-3 Bottom Roller | Part #RB511-21702 - internal guide lugs

    Kubota KX101-3 Bottom Roller | Part #RB511-21702

    Free Shipping Lower 48
    Sale Price $162.50Regular Price $169.00
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    Kubota KX101-3 Bottom Roller | Part #RB511-21702This replacement bottom roller is cataloged for Kubota KX101-3 and is intended for service in the tracked undercarriage. The bottom roller carries machine load...
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    PRODUCT SPECIFICATIONS

    Technical Dimensions

    Part # RB511-21702
    Weight 18.04 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 bottom roller / track roller fits the Kubota KX101-3?
    This bottom roller / track roller is listed for the Kubota KX101-3 and matches OEM Part #RB511-21702. Before ordering, compare your machine make, model, serial number, and existing part number to confirm the correct undercarriage position and fitment.
    What front idler fits the Kubota KX101-3?
    Matching front idler options for the Kubota KX101-3 include Kubota KX101-3 Front Idler | Part #RC461-21300. Front idlers guide the track and help maintain proper tension, so inspect the flange, bearing condition, and wear surface before installing new tracks.
    What top roller fits the Kubota KX101-3?
    Matching top roller options for the Kubota KX101-3 include Kubota KX101-3 Carrier Roller | Part #RC411-21903. 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 Kubota KX101-3 undercarriage setup include Kubota KX101-3 Rubber Tracks | 300x53x84 (Part #300X53X84). 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 Kubota KX101-3 part?
    Yes. Sprockets, idlers, rollers, and rubber tracks wear together as a system. Before replacing this part for the Kubota KX101-3, 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 KX101-3?
    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 TrackTECH Track Finder or call (850) 816-7898 before ordering.
    How fast does TrackTECH ship Kubota KX101-3 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 TrackTECH shipping information 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 Kubota KX71-3S, Kubota KX71-3, Kubota KX91-3, Kubota U25, Kubota U27-4, Kubota U35.