Hornby R40391

BR, Mk3 Trailer Standard Open, 42283 - Era 7

Manufacturer catalogue image

Prototype Era
Era 7 (1972 to 1982) British Rail Blue (TOPS)

Manufacturer description

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 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.

The Mk3 coach is perhaps most iconic in its original production livery of the BR Grey and Blue. It is in this livery that the coach, as well as the matching Class 43 units would be introduced, before high speed rail services in the UK would be rebranded into the Intercity Executive livery. 

Following the privatisation of the Railway network, Mk3 coaches would find themselves in many colourful liveries, some harking back to the original blue and grey livery of times gone by.

These Mk3 coaches include the provision for lighting provided by the R7305 Maglight lighting unit, as well as fully detailed interiors and metal wheels throughout. For the first time, these coaches also include our new Buckeye style magnetic couplings.

Catalogue listing

Product Code:
2023 range

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