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 336E L |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 336F L |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 340 Next Gen |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 340F |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 345B |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 345B L |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 345C L |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 345D |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 345D L |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar 349E L |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Replaces | Caterpillar 447-1723 |
| Size | M24 x 110 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Bobcat E60 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hitachi ZX50 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hitachi ZX50U (Type 1) |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hitachi ZX55U |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hitachi ZX60USB-3 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hitachi ZX60USB-5 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hitachi ZX65USB-5 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Bobcat E62 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Takeuchi TB370 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Bobcat X337 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Bobcat X341 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hyundai R55-3 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hyundai R55-7 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hyundai R55-9 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Hyundai R60-9 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | IHI 40NX |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | IHI 45 NX |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | Takeuchi TB260 |
| Manufacturer | Astrak |
| Part Type | Press-fit Master Pin Kit |
|---|---|
| Machine | IHI 50 UX |
| Manufacturer | Astrak |
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