Hornby TT TT4063 GNER HST Mk3 Coach TSD 42363
Hornby TT TT4063 GNER HST Mk3 Coach TSD 42363
Model Railways
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Sign in or Sign up!- Release Date: 28/07/2025
- Barcode: 5063129047160
- Colour: Blue
- Interest Age: 14 years and up
- Label: Hornby TT

Hornby TT TT4063 GNER HST Mk3 Coach TSD 42363
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DESCRIPTION
PRODUCT DESCRIPTION
The GNER HST Mk3 Trailer Standard Disabled 42363 captures the distinctive look and functionality of this essential coach which played a crucial role in making high-speed rail travel more inclusive. Finished in the striking deep blue and red GNER livery, this model features precision detailing, accurately applied branding, and a carefully recreated interior layout. The GNER HST Mk3 TSD 42363 pairs seamlessly with other TT:120 Mk3 coaches and power cars, bringing authenticity and prestige to any modern-era railway.HistoryBR developed the Mark 3 in response to improved comfort provided by airline companies and the convenience provided by the family car, both of which were taking traffic away from the railways in the early 1970s. Originally conceived as locomotive-hauled stock, the first to be produced were for the prototype HST in 1972. The first production vehicles entered service in 1975 and continued to be built until 1988. Although outwardly similar to the Mark 2 carriage, it is of a completely different design, having a ridged roof and under-frame skirt, whereas its predecessor had a smooth roof and visible below-frame equipment. The body is 75ft-long (23m), which is 10ft (3m) longer than the Mk2. It is also of full monocoque construction (one piece body shell) with an all-welded mild steel, stressed skin. To give it a superior smooth ride, it also has secondary air suspension and disk-brakes fitted to the wheels (rather than clasp brakes) which allow for running at speeds of up to 125mph (200km/h) and efficient deceleration. The Mk3 HST coaches differ from the Mk3A loco-hauled coaches mainly in terms of the electrical arrangements, but are otherwise much the same. These HST coaches take their supply from a three-phase electrical supply directly from an auxiliary alternator in the power car, whereas the Mk3A convert the single-phase AC supply from the locomotive through motor generator units under the floor, which change the train supply to three-phase.
SAFETY WARNING
Detailed scale model. Not suitable for children under 14 years. Please refer to safety notes in enclosed instruction leaflet. Colours and content may differ from those illustrated. Please retain these details and address for future reference.
Type: Model Trains & Accessories
DELIVERY & RETURNS
UK Delivery:
- Free delivery on all orders of £10 or more.
- £1.49 delivery fee on orders below £10.
- UK orders are shipped via Royal Mail 2nd Class.
International Delivery:
- Flat rate delivery charges vary by country.
Dispatch and Delivery Times:
- All orders are shipped from our warehouse in Northampton, UK within 48 hours of receipt during working hours.
- UK mainland orders typically arrive within 3-5 working days via Royal Mail 2nd Class.
- International estimated delivery times:
- Europe & Channel Islands: 7 to 10 working days
- USA: 7 to 15 working days
- Rest of the World: 9 to 21 working days
View our full delivery infomation here.
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