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British Rail Class 168

British Rail Class 168
Clubman
Chiltern Railways Class 168/0 at Birmingham Moor Street
Post 2008 refurbished Class 168/0 saloon
In service20 May 1998 – present
Manufacturer
Built atDerby Litchurch Lane Works
Family nameClubman / Turbostar
Constructed1998–2004
Refurbished2007–2008[1] 2024–present[2]
Number built19 (plus 9 converted from Cl. 170/3)
Formation
  • 4 cars per 168/0 unit:
    DMSL(W)-MSL-MS-DMSL
  • 3 or 4 cars per 168/1 unit:
    DMSL(W)-MS-DMSL
    DMSL(W)-MSL-MS-DMSL
  • 3 or 4 cars per 168/2 unit:
    DMSL(W)-MS-DMSL(W)
    DMSL(W)-MS-MS-DMSL(W)
  • 2 cars per 168/3 unit:
    DMSL(W)-DMSL[3]
Fleet numbers
  • 168/0: 168001–168005
  • 168/1: 168106–168113
  • 168/2: 168214–168219
  • 168/3: 168321–168329
Capacity
  • 3-car: 204 seats
  • 4-car: 272 seats
Owners
OperatorsChiltern Railways
Lines served
Specifications
Car body constructionWelded aluminium, with steel body ends[6]
Car length
  • 168/0 DM vehicles:
    24.10 m (79 ft 1 in)
  • Other DM vehicles:
    23.62 m (77 ft 6 in)
  • Intermediate vehicles:
    23.61 m (77 ft 6 in)
Width2.69 m (8 ft 10 in)
Height3.77 m (12 ft 4 in)
DoorsDouble-leaf sliding plug (2 per side per car)
Maximum speed100 mph (160 km/h)
Prime mover(s)
  • All units except 168329:
    2–4 × MTU 6R 183 TD 13H[7]
  • Unit 168329:
    2 × MTU 6H 1800 R76[8][9]
  • (all one per car)
Engine type
Displacement
  • 6R 183: 13 L (790 cu in)[citation needed]
  • 6H 1800: 12.81 L (782 cu in)[9]
  • (all per engine)
Power output315 kW (422 hp) per engine[10][9]
Transmission
Acceleration0.5 m/s2 (1.1 mph/s)[4]
Bogies
  • Adtranz/Bombardier
  • Powered: P3-23
  • Unpowered: T3-23
Braking system(s)Electro-pneumatic (disc)
Safety system(s)
Coupling systemBSI[14]
Multiple workingWithin class, and with Class 165[15]
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Notes/references
Sourced from [10] except where otherwise noted

The Class 168 Clubman is a British diesel-hydraulic multiple unit passenger train used on Chiltern Line services between London Marylebone and the West Midlands. The trains were built by Adtranz at the Derby Litchurch Lane Works in several batches from 1998.

The first batch was classified 168/0 under TOPS and resembled the Class 165 units previously built by BREL York. The Networker-design cab was an interim solution pending the design of a completely new cab for further Turbostar batches. Subsequent builds, subclassed as 168/1 and 168/2, were constructed at the same time as the Class 170 Turbostar and thus are part of the Turbostar family of trains.

  1. ^ "Chiltern Railways: About us - Our train fleet". Chiltern Railways. Archived from the original on 3 July 2010. Retrieved 23 August 2010.
  2. ^ "Mk 5s could release '168s' for East West Rail". 22 March 2024.
  3. ^ Class 170 & 171 Diesel Multiple Unit (PDF) (1A ed.). Derby: Porterbrook Leasing Company. September 2013. Archived from the original (PDF) on 23 November 2015. Retrieved 13 December 2022.
  4. ^ a b "Class 168". London: Eversholt Rail Group. Archived from the original on 6 August 2021. Retrieved 5 August 2021.
  5. ^ Sherratt, Philip, ed. (2023). "ROSCO Fleets". Modern Railways: Review 2023. Stamford: Key Publishing. pp. 18–19. ISBN 978-1-80282-569-5.
  6. ^ "Turbostar – United Kingdom". Bombardier Transportation. Archived from the original on 13 June 2011. Retrieved 13 December 2022.
  7. ^ MTU Rail Power for the UK & Ireland (PDF). MTU Friedrichshafen GmbH. September 2018. p. 2. Archived from the original (PDF) on 3 December 2022. Retrieved 3 December 2022.
  8. ^ "HybridFLEX Battery-Diesel Train, UK". Railway Technology. London: Verdict Media. Archived from the original on 23 September 2021. Retrieved 14 December 2022.
  9. ^ a b c d MTU Hybrid Powerpack Series 1800 for Railcar Applications (PDF) (01/22 ed.). Friedrichshafen: Rolls-Royce Power Systems AG. 26 August 2022. Archived (PDF) from the original on 14 December 2022. Retrieved 14 December 2022.
  10. ^ a b Class 168 Diesel Multiple Unit (PDF) (1A ed.). Derby: Porterbrook Leasing Company. September 2013. Archived from the original (PDF) on 1 July 2015. Retrieved 13 December 2022.
  11. ^ "Turbo Star" Class 168: Chiltern Railways Diesel Railcars with Voith T 211 rzze Turbo Transmission (07/2000 ed.). Heidenheim: Voith Turbo GmbH & Co. KG. G 1520 e.
  12. ^ "Cutting Emissions – cleaner, greener Turbostars". Rail Engineer. Coalville: Rail Media Group. 26 April 2022. Archived from the original on 23 May 2022. Retrieved 14 December 2022.
  13. ^ "Hybrid Powerpacks for Railcars". Rail Solution Guide (PDF) (01/22 ed.). Friedrichshafen: Rolls-Royce Power Systems AG. 26 August 2022. p. 13. Archived (PDF) from the original on 14 December 2022. Retrieved 14 December 2022.
  14. ^ System Data for Mechanical and Electrical Coupling of Rail Vehicles in support of GM/RT2190 (PDF). London: Rail Safety and Standards Board. 22 June 2011. p. 4. SD001. Archived from the original (PDF) on 1 April 2012. Retrieved 22 November 2022.
  15. ^ Webster, Neil; Hall, Peter; Fox, Peter (2001). British Railways Locomotives & Coaching Stock 2001. Sheffield: Platform 5 Publishing. pp. 207–208. ISBN 1-902336-19-4.
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