A critical undercarriage component – this Genuine JCB idler wheel (bare) is designed for a wide range of 5-6.5 ton JCB mini excavators, including the popular 8052, 8055, 8056, 8060, and 8065 models. As a genuine part, it has been manufactured using a complex casting process and comprehensive heat treatment. This guarantees the highest tread durability against abrasion and core resistance to impact loads, even in the toughest working conditions. The idler guides the track chain and works with the tensioner to maintain correct track tension.
Genuine JCB product – a guarantee of the highest quality, perfect fit, and 100% compatibility with your machine.
| Brand | Type / Series / Model |
|---|---|
| JCB | Mini Excavators: 8052, 8055, 8055 RTS, 8055 ZTS, 8056, 8060, 8061, 8065, 8065 RTS, 8065 DL |
The list above is for reference. It is crucial to verify the OEM part number or idler dimensions.
Working on track undercarriages is extremely dangerous. Use extreme caution when releasing and tensioning tracks. Track tension (grease) must be released before service. The machine must be securely supported on certified stands. Never rely solely on the machine's own hydraulics.
The idler wheel is a fundamental undercarriage component. It has two roles: guiding the track chain onto the frame, and working with the spring and tensioner cylinder to maintain correct track tension. A failed idler will lead to de-tracking and accelerated wear of the entire undercarriage.
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The idler wheel (this part, 331/30581) is smooth, sits at the front of the undercarriage, and is used to guide and tension the track. The sprocket (drive wheel) has teeth, sits at the rear, and is connected to the final drive (travel motor) to propel the track.
2. Does this idler come with bearings?This product is a "bare" idler (casting only). It typically does not include the bearings or seals, which must be purchased separately or transferred from the old wheel (which is not recommended).
3. Will this fit my JCB 8030ZTS?No. This idler (331/30581) is for the 5-6.5T class machines (8052, 8060, 8065). The smaller 8030ZTS machine uses idler part number 233/26603.
Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.
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