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 | Plough Bolt |
|---|---|
| Machine | Caterpillar 962 - 2 Piece Configuration |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Caterpillar 962 - Standard Configuration |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Caterpillar 966 - Bulk Bucket Configuration |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Caterpillar 972 - Bulk Bucket Configuration |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Volvo L180E/F/G/H - 3400mm Bucket |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6H LGP |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6H XL |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6H XR |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Liebherr PR736 L |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6R LGP |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6R XL |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6R XR |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6T |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6T LGP |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6T XL |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Caterpillar D6T XW |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Liebherr PR734 LGP |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Liebherr PR734 XL |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Liebherr PR734 L |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Liebherr PR736 LGP |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Liebherr PR736 XL |
| Size | M20 x 70 |
| Manufacturer | Astrak |
| Part Type | Plough Bolt Ulrich |
|---|---|
| Machine | Ulrich 3 |
| Size | 1" x 4" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Caterpillar D9T |
| Size | 1" x 4" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Size | 1" x 4" |
| Manufacturer | Astrak |
| Part Type | x 88 Track Bolts |
|---|---|
| Machine | Caterpillar D8N |
| Size | 7/8" |
| Manufacturer | Astrak |
| Part Type | x 88 Track Bolts |
|---|---|
| Machine | Caterpillar D8R |
| Size | 7/8" |
| Manufacturer | Astrak |
| Part Type | x 88 Track Bolts |
|---|---|
| Machine | Caterpillar D8T |
| Size | 7/8" |
| Manufacturer | Astrak |
| Part Type | High Tensile Bolt |
|---|---|
| Machine | Liebherr R934 Li. M20, 52 link |
| Size | M18 x 85 |
| Manufacturer | Astrak |
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