Undercarriage hardware is the fastening layer that holds the running gear together: track bolts and nuts, shoe bolts, master pins and bushings, roller and segment mounting bolts, the high-grade fasteners engineered for the loads tracked machines feed through them. PartsForMachines supplies undercarriage hardware matched by machine and component, alongside the chains, rollers, idlers, sprockets and guides it secures.
Track hardware is not general-purpose fastener territory: shoe bolts and nuts are high-property-class components with specific head and seat forms, sized to the chain and shoe they clamp, and torqued to figures that keep shoes tight under loads that destroy under-specified bolts in hours. The range covers shoe bolt and nut sets, sold in shoe sets and box quantities, master pins and bushings for chain joining and repair, segment and sprocket bolts, and roller mounting hardware, with each product page listing dimensions, grade and the components served. Ask Simon confirms hardware from the machine model and chain specification, or from the part being secured.
The fitting discipline carries the value: shoe bolts torqued to specification and re-checked after first hours, since shoes loosen as faces bed, hardware renewed rather than reused when shoes or segments come off, and master pin work done with the proper tooling. Loose track hardware announces itself as clicking and shifted shoes, and a thrown shoe damages everything it passes.
For hardware confirmation by machine or chain specification, contact the team via WhatsApp 07754288583.
| Part Type | Segment Bolt |
|---|---|
| Machine | Caterpillar D5N XL |
| Size | 5/8" |
| Manufacturer | Astrak |
| Part Type | Segment Bolt |
|---|---|
| Machine | Caterpillar D6D |
| Size | 5/8" |
| Manufacturer | Astrak |
| Part Type | Segment Bolt |
|---|---|
| Machine | Caterpillar D6D LGP |
| Size | 5/8" |
| Manufacturer | Astrak |
| Part Type | Segment Bolt |
|---|---|
| Machine | Caterpillar D6H |
| Size | 5/8" |
| Manufacturer | Astrak |
| Part Type | Segment Bolt |
|---|---|
| Machine | Caterpillar D6H LGP |
| Size | 5/8" |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6H XL |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6H XR |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6R |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6R LGP |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6R XL |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | New Holland E485LCH |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6R XR |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | JCB JS360 LC |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6T |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6T LGP |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6T XL |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar D6T XW |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hyundai R360LC-3 |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hyundai R360LC-7 |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | JCB JS370 LC |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hyundai R450 LC-7 |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hyundai R450-7 |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Liebherr R954 |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Liugong 936E |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Liugong 930E |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | New Holland E485BEH |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu D85PXi-18 |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu D85PX-18 |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Volvo EC380E L |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Volvo EC380D L |
| Size | M22 x 70mm |
| Manufacturer | Astrak |
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