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 | Segment Bolt |
|---|---|
| Machine | Komatsu D85EX-18 |
| Size | M22 |
| Manufacturer | Astrak |
| Part Type | Segment Bolt |
|---|---|
| Machine | Komatsu D85EXi-18 |
| Size | M22 |
| Manufacturer | Astrak |
| Part Type | Segment Bolt |
|---|---|
| Machine | Komatsu D85PX-15 |
| Size | M22 |
| Manufacturer | Astrak |
| Part Type | Segment Bolt |
|---|---|
| Machine | Komatsu D85PX-18 |
| Size | M22 |
| Manufacturer | Astrak |
| Part Type | Segment Bolt |
|---|---|
| Machine | Komatsu D85PXi-18 |
| Size | M22 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX160 |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX180 |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX180LCR |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX225LC |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX225LC-3 |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX225LC-5 |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX225NLC |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX235LCR |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX235LCR-5 |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX255LC |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Doosan DX255LC-3 |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Fine-pitch High Tensile Bolt |
|---|---|
| Machine | Hidromek HMK220 LC |
| Size | M16 x 85 |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Volvo L180E/F/G/H - 3400mm Bucket |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Doosan DL 450 |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Doosan DL 550 |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Liebherr L556 |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Liebherr L550 |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Volvo L180E/F/G/H - 3200mm Bucket |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Volvo L150E/F/G/H - 3200mm Bucket |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Volvo L120E/F/G/H - 3000mm Bucket |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Caterpillar 140G |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Caterpillar 938 - 2 Piece Configuration |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Caterpillar 950 - 2 Piece Configuration |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
| Part Type | Plough Bolt |
|---|---|
| Machine | Caterpillar 950 - Bulk Bucket Configuration |
| Size | 1" x 3 1/2" |
| Manufacturer | Astrak |
By sharing your email, you agree to our privacy policy & terms of service