Sleeper Either Class

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Mk 3A SLE, no. 10727, at Meldon Quarry, near Okehampton, on 15th July 2006. This vehicle is one of four preserved on the Dartmoor Railway, and carries InterCity livery.
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Mk 3A SLE, no. 10727, at Meldon Quarry, near Okehampton, on 15th July 2006. This vehicle is one of four preserved on the Dartmoor Railway, and carries InterCity livery.

A Sleeper Either Class, often abbreviated to SLE, is a type of railway carriage used by British Rail.

A total of 89 vehicles, numbered 10646-10734, were built at Derby Works from 1981-1982 to the Mark 3A profile. Along with the similar SLEP, they were introduced to replace the ageing fleet of Mark 1 vehicles built to several designs, which dated from the late 1950s and early 1960s.

As of 2006, the only mainline operator of these type of carriages is First ScotRail. They are used in the consist of the Caledonian Sleeper from London Euston to Glasgow, Edinburgh, Aberdeen, Inverness and Fort William.

Several carriages have found a new lease of life on heritage railways, where they provide sleeping accommodation for volunteers.


Coaching stock of British Rail
Mark 1 - Mark 2 - Mark 3 - Mark 4
Passenger coaches
Mark 1: BCK - BFK - BSK - BSO - BSOT - CK - FK - FO - RB - RBR - RF - RKB - RMB
RU - SK - SLC - SLF - SLSTP - SO - TSO
  
Mark 2: BFK - BSK - BSO - BSOT - BUO - DBSO - FK - FO - FOT - PFB - PFK - PFP
RFB - RLO - RMBF - RSS - SK - SO - TSO - TSOT
Mark 3: BFO - CO - FO - RFM - SLE - SLEP - TSO - TSOB (Locomotive-hauled)
TF - TGS - TRB - TRFB - TRFK - TRSB - TS (HST trailers)
Mark 4: FO - RBF - RSB - TSO - TSOE
Non-passenger coaches
Mark 1 BG - BPOT - BV - Courier - GUV - PCV - POS - POT
  Mark 3 & 4: DVT edit