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 | Caterpillar 318D L |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | JCB JS220 SC |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Liebherr R922 HD SL Li - M20, 52 link |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hyundai R320LC |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Doosan DX235LCR |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Doosan DX235LCR-5 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 318E L |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC240-8 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK250 LC MKIV |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Doosan DX255LC |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK250-6 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hitachi ZX240LC-3 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Doosan DX255LC-3 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | JCB JS130HD |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hitachi ZX180LC-3 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 319C L |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK230LC |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Case CX300C |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK220 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Liebherr R922 HD EW Li. |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Liebherr R920 Compact |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 319D L |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | JCB JS210LC |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK220 MKIV |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Hitachi ZX240-3 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Komatsu PC240-6 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Caterpillar 320 GC Next Gen |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Kobelco SK210LC-9 |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | Case CX300D |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
| Part Type | Track Bolts |
|---|---|
| Machine | JCB JZ235LC |
| Size | M20 x 64mm |
| Manufacturer | Astrak |
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