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Under Carriage

Non-Marking Rubber Tracks

FAQs

Three matches: (1) equipment make and model — undercarriage hardware is normally model-specific by track-shoe bolt pattern, sprocket bolt size, and idler-shaft hardware; (2) the component or service being performed — track-shoe replacement, full track-chain rebuild, sprocket-and-idler service; (3) the kit contents listed against the service requirement. The OEM part number on the original component is the fastest match. WhatsApp 07754288583 with the equipment details and the service scope for cross-reference.

Undercarriage fasteners (track-shoe bolts, sprocket bolts, idler-shaft bolts) experience high cyclic loading, vibration, and impact — operating conditions that fail lower-grade fasteners through fatigue. Grade 10.9 bolts have minimum tensile strength of 1,040 MPa and minimum yield of 940 MPa, with high fatigue resistance. Substituting standard grade-8.8 bolts (or general-purpose hardware) typically results in fastener failure within hours-to-days of operation. Always specify undercarriage-grade fasteners for these applications.

Yes — critical for undercarriage longevity. Track-shoe bolts have specific torque values (typically 200-500+ N·m depending on bolt size and equipment) and often require a multi-stage tightening sequence to avoid distortion of the track shoe and chain. Loose bolts cause track-shoe wear and progressive chain failure; over-tightened bolts cause bolt failure. The OEM service manual gives the authoritative torque and sequence — quote the equipment for the specification, or WhatsApp 07754288583 for service-manual cross-reference.

Yes. Individual track-shoe bolts and nuts, sprocket-mounting hardware, idler-shaft hardware, and roller-shaft components are available individually for partial-service applications where the full assortment isn't needed. Match by the equipment make and model and the component position. For full undercarriage rebuild work, the assortment kits are typically more cost-effective; for partial service or replacement of specific failed components, individual parts are available. Search by equipment, or WhatsApp 07754288583.

Every product is backed by our Fit Guarantee. If a part is incompatible with your machine, you can return it hassle-free. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will arrange collection. For other returns, email us first to obtain a Return Merchandise Number before sending. Returns are accepted within 30 days of purchase, in original packaging, on UK orders. A restocking fee may apply on returns where the buyer has changed their mind. Refunds are issued to the original payment method once the return is inspected.

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and "Check where we deliver" confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

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Within Under Carriage, Assortments covers the multi-component undercarriage parts kits and assortments for plant equipment — covering bolt-and-nut assortment kits for track shoes and track chains, sprocket and idler hardware kits, undercarriage fastener kits, and the wider range of multi-component packs used in plant undercarriage service and rebuild work.

Parts for Machines supplies undercarriage assortments across the plant aftermarket — covering both general-purpose undercarriage hardware kits (sized to common track-shoe and track-chain bolt patterns) and equipment-specific assortments cross-referenced to OEM fitments by equipment make, model, and undercarriage type.

Product pages list the equipment make and model the assortment is approved for, the kit contents (the components included with quantities), the undercarriage-application range (track shoes, sprockets, idlers, rollers, chains), the bolt and nut specifications (size, thread, grade — typical 10.9 grade for high-strength undercarriage fasteners), the material and finish (high-tensile steel with weather-resistant coating), and any installation guidance (torque specifications, sequence requirements, the use of thread-locker compounds).

For replacement of existing undercarriage hardware, the OEM part number on the original component is the most reliable match. Where the OEM is not available, identify by the equipment make, model, and the component being replaced (track-shoe bolt pattern, sprocket bolt size, idler-shaft hardware). Undercarriage hardware is typically high-strength bolt-grade — never substitute lower-grade fasteners which fail under operating loads. Application of thread-locker compound (typically medium-strength, blue-grade) is specified by the OEM on most undercarriage fasteners — applied during installation, the thread-locker prevents fastener back-off under cyclic vibration loading. The thread-locker grade and application are listed in the equipment service manual; for trade workshops carrying multi-OEM equipment, the standard medium-strength grade covers most undercarriage applications. Trade pricing on bulk and fleet orders is available; contact the team via WhatsApp 07754288583.

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