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    • Wacker Neuson ST45 Rear Idler | Part #275574
    • Wacker Neuson ST45 Rear Idler | Part #275574 - close up
    • Wacker Neuson ST45 Rear Idler | Part #275574 - left side
    • Wacker Neuson ST45 Rear Idler | Part #275574 - internal guide lugs

    Wacker Neuson ST45 Rear Idler | Part #275574

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    Regular Price $851.00Call for Price
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    Wacker Neuson ST45 Rear Idler | Part #275574This replacement rear idler is cataloged for Wacker Neuson ST45 and is intended for service in the tracked undercarriage. The rear idler supports...
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    PRODUCT SPECIFICATIONS

    Technical Dimensions

    Part # 275574
    Weight 93.0 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 rear idler fits the Wacker Neuson ST45?

    This rear idler is listed for the Wacker Neuson ST45 and matches OEM Part #275574. 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 Wacker Neuson ST45?

    Matching front idler options for the Wacker Neuson ST45 include <a href="/products/wacker-neuson-st45-front-idler">Wacker Neuson ST45 Front Idler | Part #7240006</a>. 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 rear idlers?

    Matching rubber track options connected to this Wacker Neuson ST45 undercarriage setup include <a href="/products/wacker-neuson-st45-rubber-tracks">Wacker Neuson ST45 Rubber Tracks | 450x86x56 (Part #450X86BX56)</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 Wacker Neuson ST45 part?

    Yes. Sprockets, idlers, rollers, and rubber tracks wear together as a system. Before replacing this part for the Wacker Neuson ST45, inspect the full undercarriage for uneven wear, bearing play, hooked sprocket teeth, and track tension issues.

    How do I confirm this product fits the Wacker Neuson ST45?

    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 Wacker Neuson ST45 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 rear idler listed for?

    Current compatible equipment listed in the TrackTECH catalog includes Wacker Neuson ST45.

    Where can I buy this rear idler?

    TrackTECH supplies new replacement rear idler options with low direct pricing, free shipping and fast nationwide delivery. Current price and availability are shown on the product page.