Track adjusters hold the track at working tension: the grease-charged cylinder and recoil spring assembly that pushes the idler forward, takes up slack and absorbs the shocks the track feeds back when it bites debris. PartsForMachines supplies track adjusters and adjuster components matched by machine make and model, with idlers, rollers, sprockets and the rest of the undercarriage in the same section.
The assembly does two jobs and fails two ways. The tension cylinder, charged with grease through the adjuster valve, sets track sag; leaking seals here mean the track keeps going slack no matter how often it's greased, the classic symptom. The recoil spring behind it cushions impact; a collapsed or broken spring lets the idler slam, throwing tracks and hammering the frame. Adjusters are sold as complete assemblies and as components, seal kits, cylinders, springs and yokes, with each product page listing the machine fitment and dimensions. Compare lines up options, and Ask Simon confirms fitment from the machine model and serial.
A safety note belongs in any adjuster description: the recoil spring is under enormous preload, and adjuster disassembly is a workshop job with the proper fixtures, not a field strip. Relieving track tension safely through the grease valve is routine; opening the spring pack is not.
Track tension itself is the cheapest undercarriage maintenance there is, slack tracks derail, tight tracks wear everything, so the sag specification in the machine manual earns checking weekly. For fitment confirmation, send the machine details via WhatsApp 07754288583.
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | JCB JS130LC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | JCB JS131LC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | JCB JS145LC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | JCB JZ140LC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster JCB (332/J3048) |
|---|---|
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX180LC-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX200 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX200-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX200LC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX200LC-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX210 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX210-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX210LC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX210LC-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX225US |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX225US-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX225USLC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX225USLC-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX225USRLC-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | New Holland E265C |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | New Holland E265B |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | New Holland E235SR LC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | New Holland E235B SR LC |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | New Holland E245B |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | New Holland E235B SR |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | New Holland E235 SR |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX230-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Hitachi ZX240-3 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Kobelco SK250-6 |
| Manufacturer | Astrak |
| Part Type | Track Adjuster Assy |
|---|---|
| Machine | Kobelco SK235SR |
| Manufacturer | Astrak |
By sharing your email, you agree to our privacy policy & terms of service