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| British Rail Class 185 Desiro | |
|---|---|
 TransPennine Express Class 185 at Doncaster in 2017 | |
 Refurbished standard-class interior | |
| In service | March 2006 – present[1] |
| Manufacturer | Siemens Transportation Systems |
| Built at | Krefeld, Germany[2] |
| Family name | Desiro |
| Replaced | |
| Constructed | 2005–2006[4] |
| Entered service | 2006 |
| Refurbished | 2017 |
| Number built | 51[5] |
| Formation | 3 cars per unit: DMOSB-MOSL-DMOCLW |
| Fleet numbers | 185101–185151[5] |
| Capacity | 169 seats (15 first, 154 standard) plus 12 tip-up |
| Owners | Eversholt Rail Group |
| Operators | TransPennine Express |
| Depots | |
| Lines served |
|
| Specifications | |
| Car body construction | Aluminium[6] |
| Train length | 71.276 m (233 ft 10.1 in) |
| Car length | 23.763 m (77 ft 11.6 in) |
| Width | 2.673 m (8 ft 9.2 in)[6] |
| Height | 3.710 m (12 ft 2.1 in) |
| Floor height | 1.247 m (4 ft 1.1 in) |
| Doors | Double-leaf sliding plug (2 per side per car) |
| Wheelbase | Bogies: 2.600 m (8 ft 6.4 in)[7] |
| Maximum speed | 100 mph (160 km/h) |
| Weight | Approx. 168.5 t (165.8 long tons; 185.7 short tons) |
| Axle load | 18.5 t (18.2 long tons; 20.4 short tons) max. |
| Prime mover(s) | 3 × Cummins QSK19-R[6] (one per car) |
| Engine type | Inline-6 turbo-diesel[8] |
| Displacement | 19 L (1,159 cu in) per engine[8] |
| Power output | |
| Transmission | Voith T 312 bre (hydrokinetic,[10] one per car) |
| Acceleration | 0.49 m/s2 (1.6 ft/s2)[11] |
| UIC classification | 2′B′+B′2′+B′2′ |
| Bogies | Siemens SGP SF5000 |
| Minimum turning radius | 120 m (393 ft 8 in)[7] |
| Braking system(s) | Electro-pneumatic (disc) plus hydraulic retarder |
| Safety system(s) | |
| Coupling system | Dellner 12[12] |
| Multiple working | Within class |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
| Notes/references | |
| Sourced from [13] except where otherwise noted | |
The British Rail Class 185 Desiro is a class of diesel-hydraulic multiple-unit (DHMU) passenger trains built by Siemens Transportation Systems in Germany for the train operating company First TransPennine Express. They are currently operated by TransPennine Express.[14]
A £260 million order for 51 three-car trains and associated maintenance depots was placed in 2003, and deliveries took place between 2006 and 2007.
- ^ a b c "Class 185 – First TransPennine Express". Siemens AG. Archived from the original on 12 November 2013. Retrieved 25 June 2019.
- ^ "TPE '185s' to get reliability upgrade". Rail Magazine. No. 940. Peterborough: Bauer Consumer Media. 22 September 2021. p. 20.
- ^ Clinnick, Richard (October 2023). "TPE confirms Nova 3 withdrawal plan". Rail Express. No. 329. p. 8.
- ^ Pritchard & Hall 2013, p. 243
- ^ a b Pritchard & Hall 2013, pp. 243–244
- ^ a b c "TransPennine Express DMU starts commissioning trials". Railway Gazette International. London: Reed Business Information. 1 September 2005. Archived from the original on 16 November 2013. Retrieved 25 June 2012.
- ^ a b First Class Bogies (PDF) (08/08 ed.). Graz: Siemens Transportation Systems. pp. 60–61, 67. Archived from the original (PDF) on 27 June 2013. Retrieved 12 November 2013.
- ^ a b Every Track - QSK19 for Rail Applications (PDF) (09/08 ed.). Daventry: Cummins Ltd. Bulletin 4087201. Archived from the original (PDF) on 2 December 2022. Retrieved 2 December 2022.
- ^ Pritchard & Hall 2013, p. 242
- ^ Rail Drives with Systematic Design (PDF). Heidenheim: Voith Turbo. September 2012. pp. 3, 5. Archived from the original (PDF) on 2 December 2022. Retrieved 2 December 2022.
- ^ "Class 185 Diesel Multiple Unit" (PDF) (Data sheet). London: Eversholt Rail Group. Archived from the original (PDF) on 12 November 2013. Retrieved 12 November 2013.
- ^ Marsden, C. J. (2007). "Class 185 'Desiro'". Traction Recognition. Hersham: Ian Allan Publishing. pp. 144–145. ISBN 978-0-7110-3277-4. OCLC 230804946. OL 16902750M.
- ^ Desiro UK DMU Class 185 - Technical Information (PDF). Erlangen: Siemens Transportation Systems. 13 September 2004. Archived from the original (PDF) on 7 November 2007. Retrieved 2 December 2022.
- ^ "Class 185". London: Eversholt Rail Group. Archived from the original on 27 May 2022. Retrieved 7 March 2022.