Siemens Mobility Limited is a world-class train manufacturer, with a long and proud track record of building some of the UK's best performing fleets.

As the current generation of rolling stock reaches mid-life, we offer operators and asset owners the opportunity to extend the life and upgrade their fleets to optimise performance and continue to provide an excellent passenger experience.

Along with our state-of-the-art facility, our experienced team of engineers and project managers we ensure a quality service drawing on innovative new technology and proven procedures covering the complete traction system. From Traction Converter Upgrades to standardised Motor and Gearbox overhauls and repairs, our business can address specific issues which will enhance maintenance strategies, benefiting your fleet, your operation and your passengers.


We will work with you at every stage of the process from initial planning concepts right through to delivering a complete turnkey solution. Each project can be tailored to precisely meet your performance, operational and branding needs, delivering a broad range of benefits.

Traction Overhauls, Modifications and Enhancements

As part of agreed maintenance plans and as conditions change, we carry out projects for overhaul or upgrade to customer specifications and to reflect the latest developments in technology. In continuous rail operations the availability of vehicles must be secured and as the work horse of the vehicle we ensure the traction equipment is maintained and enhanced for operating at peak performance. We carry out projects across the full range of traction equipment such as Gear Units, Motors, Couplings and Converter technology and draw on our global presence and experience to maximise efforts.

Motors and Gear Units

Our UK facility has state-of-the-art repair, overhaul and load test facilities designed specifically for traction motors and gearboxes.  Ranging from axle-less trams, freight locomotives, intercity passenger train & MPV units we can service a multitude of products and designs.


As a supplier of critical spares we ensure our customers have sufficient inventory to fulfil individual needs and provide stock management services.

Coupling sales and Service

As the designated leader of Siemens (Flender) coupling sales in the UK, we are able to provide a full turnkey service to our customers.  We have capabilities to overhaul and repair couplings within our UK facility and also hold a multitude of spares to deal with urgent demands and just in time requirements.

Project Management

Our experienced project management team can deliver projects individually or as a larger programmes focusing on minimising risk and delivering within the most efficient timescales.  Our specialist engineering team work in customised facilities, carefully-designed to ensure these projects are delivered on time, on budget and to the highest quality standards.

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