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 | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 321D |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 322 L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 322B |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 322B L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 322D |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 322D L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 323 Next Gen |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 323D |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 323D L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 312 |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 323E L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 323F L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 313 |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 324D |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 324D L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 315 |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 324E L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 325 Next Gen |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 325B |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 317 |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 325B L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 325C |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 320 |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 325D |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 325D L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 322 |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 325F L |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 326 Next Gen |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 325 |
| Size | M24 x 80 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 329D |
| Size | M24 x 80 |
| Manufacturer | Astrak |
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