Manufacturer catalogue image - please note that pre-release images may be CAD renders or CGI images rather than photographs
Prototype Era
Era 8 (1983 to 1994) British Rail Sectorisation
In-order to allow running at 125 mph on Britain's Victorian era railways, new rolling stock was needed by British Railways. Significant improvements over the Mk2 included new secondary air suspension between the bogies and the coach body as well as aerodynamic skirting on the underframe.
Mk3 coaches are 75ft (23m) long enabling far greater capacity than older coaches. Mk3 coaches also incorporate disk breaks and wheel slip protection enabling faster deceleration. The first Mk3 coaches to be delivered were used as part of the HST prototype along with the two Class 41 diesel power cars in 1972. Mk3 coaches entered service in 1975 along with the Class 43 forming the iconic InterCity 125 trainset. After the HST Mk3 coach variant was introduced, further Mk3 coaches were introduced to the West Coast Mainline (WCML) for use as part of locomotive hauled trains. Whilst Mk3 stock is standard for HST units, the standard locomotive hauled stock is Mk3a.
Mk3a stock differs from Mk3 stock due to the inclusion of buffers as well as a different electrical system that uses motor generator units in each coach to power air conditioning and other ancillaries Mk3a stock was built until 1984, before 3B stock with improved seating and lighting was built from 1985 to 1988. In 1979 British Rail ordered 236 Mk3a sleeper carriages to replace an ageing fleet of Mark 1 sleeper cars built to various designs and which dated from the late 1950s to early 1960s. This order was later reduced to 207 carriages.
East coast sleeper services between London and Scotland ceased in May 1988, but the sleeper services on the WCML from Euston remined. Mk3 sleeper vehicles remain in use on the Great Western Railway's Night Riviera from London Paddington to Penzance in Cornwall having had their interiors refurbished.
* Class names often change over the lifespan of a locomotive, so this is not necessarily the class name used by the operator in the period modelled.
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Hornby
R40038
BR, Mk3 Sleeper Coach, E10654 - Era 7
Hornby
R40038A
BR, Mk3 Sleeper Coach, E10611 - Era 7
Hornby
R40038B
BR, Mk3 Sleeper Coach, E10723 - Era 7
Hornby
R40039A
BR, Mk3 Sleeper Coach, 10594 - Era 8
Hornby
R40039B
BR, Mk3 Sleeper Coach, 10685 - Era 8
Hornby
R40040
Caledonian Sleeper, Mk3 Sleeper Coach, 10580 - Era 11
Hornby
R40040A
Caledonian Sleeper, Mk3 Sleeper Coach, 10693 - Era 11
Hornby
R4857
Virgin Trains, Mk3 First Open (FO), 11097 - Era 9
Hornby
R4857A
Virgin, Mk3 First Open (FO), 11074 - Era 9
Hornby
R4858B
Virgin, Mk3 Trailer Standard Open (TSO), 12087 - Era 9
Hornby
R40182
RCS, Mk3 First Open, 11076 Coach A - Era 11
Hornby
R40182A
RCS, Mk3 First Open, 11091 Coach B - Era 11
Hornby
R40182B
RCS, Mk3 First Open, 11075 Coach C - Era 11
Hornby
R40182C
RCS, Mk3 First Open, 11077 Coach D - Era 11
Hornby
R4858A
Virgin Trains, Mk3 Trailer Standard Open (TSO), 12045 - Era 9
Hornby
R4855
Virgin Trains, Mk3 Buffet (TRFB), 10235 - Era 9
Hornby
R4858
Virgin Trains, Mk3 Trailer Standard Open (TSO), 12132 - Era 9
Hornby
R4282
Mk3 BR Blue & Grey sleeper coach E10543
Hornby
R4282A
Mk3 Sleeper Coach E10646 in BR Blue & Grey
Hornby
R4283
MK3 Scotrail Caledonian SLEP sleeper with pantry coach 10605
Hornby
R4283A
MK3 Scotrail Caledonian SLEP sleeper with pantry coach 10529
Hornby
R4284
Mk3 Royal Household sleeping car 2915 / 10734 in Royal Train livery
Hornby
R4285
Mk3 Northern Belle livery sleeper coach
Hornby
R4307
Mk3 First Scotrail Caledonian Sleeper livery sleeper 10523
Hornby
R4311
Mk3 SLEP Sleeper with Pantry in First Great Western green & gold livery - 10584
Hornby
R4466
Mk3 Intercity Executive Sleeper
Hornby
R4466A
Mk3 Sleeper car BR Intercity Executive.
Hornby
R4597
MK3 SLEP sleeper 10601 in First Great Western Night Riviera livery
Hornby
R4597A
MK3 SLEP Sleeper 10616 in First Great Western Night Riviera livery
Hornby
R4597B
MK3 SLEP Sleeper 10612 in First Great Western Night Riviera livery
Hornby BR Mk3 Sleeper Coach, model number 10660, is a OO gauge replica of a British Railways Mark 3 sleeping carriage. It is presented in a pristine grey finish with an Executive livery, and carries the running number 10660. The coach is built to the 2‑6‑2t wheel arrangement and measures 303 mm in length, suitable for a minimum curve radius of 438 mm (second radius). The motor is a five‑pole skew wound type.
The model represents a British Rail Sectorisation era carriage, classified as SLE (Sleeper Either Class). It is manufactured by Hornby under part number R40039 and was released to depict vehicles built by BREL Derby between 1975 and 1988.
The real Mk3 sleeper coaches were introduced to allow services at up to 125 mph on the UK's rail network. They feature secondary air suspension between the bogies and the body, aerodynamic under‑frame skirting, disc brakes and wheel‑slip protection. Mk3 stock first appeared on the InterCity 125 HST prototype in 1972 and entered regular service in 1975, later being used on the West Coast Main Line. The Mk3a variant, built until 1984, added buffers and a motor‑generator electrical system; the subsequent 3B version, built from 1985 to 1988, offered improved seating and lighting.
In 1979 British Rail ordered 236 Mk3a sleeper carriages, a figure later reduced to 207, to replace older Mark 1 sleepers. East‑coast sleeper services ceased on 05/05/1988, but Mk3 sleeper coaches continue in use on Great Western Railway’s Night Riviera service between London Paddington and Penzance following interior refurbishment.