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 Nut |
|---|---|
| Machine | Doosan DX520LC |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Case CX350B |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Case CX370B |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D61PXI-24 PAT Foldable |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Hitachi ZX470LC-5 |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Liebherr PR736 6-Way Blade |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Liebherr PR736 Straight Edge |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Hitachi EX450-5 |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D61PXI-23 PAT Foldable |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | JCB Bolt On |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D51PX-22 |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D61PXI-24 PAT |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D61PXI-23 PAT |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Liebherr PR734 Straight Blade |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Hyundai HX520 L |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Liebherr PR724 6-Way Blade |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Liebherr PR726 6-Way Blade |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Liebherr L542 |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Hyundai HX480 |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D61PX-24 PAT Foldable |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Hitachi ZX450LC-3 |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D65PX-16 Straight Tilt |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Hitachi EX550-3LC |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D61PX-24 PAT |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Hyundai R520LC-9 |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D65PX-16 PAT |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Track Nut |
|---|---|
| Machine | Volvo EC480E L |
| Size | M24 |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Komatsu D61PX-23 PAT |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Caterpillar 120G |
| Size | 3/4" |
| Manufacturer | Astrak |
| Part Type | Hex Nut |
|---|---|
| Machine | Caterpillar 12G |
| Size | 3/4" |
| Manufacturer | Astrak |
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