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Looking for JCB parts? Contact our team to buy the correct part for your machine. We supply JCB spare parts from our warehouse facilities in Sheffield UK which stock over 25,000 lines. To search our online database visit JCB Parts Catalogue.

Track Gearbox Assembly with Motor 20/925318

Product Code:20/925318
Part Name:Track Gearbox Assembly with Motor
Part Category:Axles & Transmissions
Fits Selected:

Worldwide Delivery

This JCB 20/925318 is available for worldwide delivery. Use the button above to contact us. Our expert staff will help ensure it is the correct part for your machine.

Purchasing Options

We offer sales of OEM new, used, or aftermarket parts. In many cases we can offer a choice of all three. Please contact our team who will be able to advise you on purchasing options for the parts you need.

Technical Advice

If you're looking for specific technical details or further information about how this part integrates into JCB machinery or its maintenance requirements, contact our team of experts. They can provide detailed specifications, installation guidelines, and support regarding Track Gearbox Assembly with Motor 20/925318 and its application in JCB construction equipment.


If you are looking to buy this 20/925318 then we can help. Our sales team will assist you in purchasing this part, or with providing any advice you need to decide if it is appropriate for your JCB machine.

General Information

20/925318 is a track gearbox and motor assembly fitted to JCB tracked excavators from JS210 to JS235. The gearbox is outsourced by JCB from Bonfiglioli in Italy. It comprises of 05/903821 cover assembly, 20/951592 sun gear, 05/903805 reduction gear set, 05/903806 reduction gear set, 20/951596 gear, 05/903859 housing with bearing, 05/903811 seal assembly, 05/903899 track motor assembly.

Component Parts

This gearbox assembly is available to purchase as separated component parts. We are able to supply the gears, housing, track motor and cover plate kit. Please contact us for more information or see related parts below for information about each component.

Database Updates

This part was added to our database 30 November 2016. It was last updated 2 June 2017.