British Rail Class 444
Appearance
British Rail Class 444 "Desiro" | |
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![]() 444026 at Waterloo | |
Specifications | |
Braking system(s) | Air, regenerative |

The British Rail Class 444 (or 5Des) "Desiro" electric multiple units were built by Siemens AG from 2002-04. Forty-five of these units were built for express services for South West Trains. The "Desiro" family also includes units of Classes 350, 360 and 450.