CLASS 444 'Desiro'
| Class | 444 |
| Number range: | 444001-444045 |
| Alpha code: | Not issued |
| Introduced: | 2003-2005 |
| Built by: | Siemens SGP, Austria |
| Formation: | DMS+TSO+TSO+TSOB+DMC |
| Vehicle numbers: | DMS 63801-63845 |
| TSO 67101-67145 | |
| TSO 67151-67195 | |
| TSOB 67201-67245 | |
| DMC 63851-63895 | |
| Set length: | 115m |
| Vehicle length: | 23m |
| Height: | |
| Width: | 2.80m |
| Seating: | Total: 35F/299S |
| DMS - 76S | |
| TSO - 76S | |
| TSO - 76S | |
| TSOB 47S | |
| DMC 35F/24S | |
| Internat layout: | 2+2S, 2+1F |
| Gangway: | Throughout |
| Toilets: | TSO, TSOB - 1 |
| Weight: | Total: 227 tonnes |
| DMS - | |
| TSO - | |
| TSO - | |
| TSOB | |
| DMC | |
| Brake type: | Air, regenerative |
| Bogie type: | Siemens SGB5000 |
| Power collection: | 750V dc third rail (Note: 1) |
| Traction motor type: | 1TB2016 three phase |
| Output: | 1,500kW |
| Max speed: | 100mph (161km/h) |
| Coupling type: | Within
set - semi auto Outer - Dellner 12 |
| Multiple restriction: | 444/450 |
| Door type: | Single leaf sliding plug |
| Owner: | Angel Trains |
| Operator: | South West Trains |
| Special features: | Air conditioned |
Note: 1 Wired for 25Kv ac overhead power collection, pantographs presently not fitted
Last updated 21/04/06