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 | Track Bolts |
|---|---|
| Machine | JCB JS190 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 320C L |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK220LC |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC220-3 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 320D |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | JCB JS180 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 320D L |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | JCB JS240 SC |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 320E |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hidromek HMK220 LC |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC160-6 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Volvo EC235CL |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 320E L |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC158USLC-2 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 321B |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC210LC-8 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK235 SRLC-2 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 321C |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Volvo EC250E L |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK200 LC MK5 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 321D |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC210NLC-7 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC160LC-7 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hitachi ZX250-3 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 322 L |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Liebherr R926 NLC Li. M20, 52 link |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC210LC-6 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 322B |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC150LC-5 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC210LC-5 |
| Size | M20 x 55mm |
| Manufacturer | Astrak |
By sharing your email, you agree to our privacy policy & terms of service