GWR Class 43 HST Digital Train Pack (Sound Fitted)

A true success story from British Rail, the class 43 HST is a must-have set and an ideal starting point to modern image modelling in TT:120 scale. Accurately replicating the icon British Rail with DCC sound, the HST is perfect for any modern image TT:120 layout from the 2010 onwards. Buy now from the Key Model World Shop. 

Famously titled the InterCity125, the class 43 HST were officially the fastest diesel trains in the world, first introduced to offer 125mph services on the Western and East Coast main lines. With a two class 43 power cars and between 6 to 9 Mk3 carriages forming each HST rake, they were the trains that saved British Rail, reaching all corners of the UK and continue to offer mainline services to this day.

Reproduced by Hornby for TT:120 scale is a class 43 pair carrying the distinctive dark green livery still worn by GWR HST sets, with extra decoration of Welsh dragon motifs accurate for 43187 and 43188. One power car features a heavy die cast chassis and 5-pole motor that is easily capable of hauling a prototypical HST set, all being required are matching Hornby Mk3 HST carriages to suit.

Internally, both power cars feature accurate lighting and factory fitted Next18 TXS Triplex Bluetooth sound decoders, delivering realistic sound from both power cars. Hornby’s TT:120 class 43 is a highly detailed model of an iconic train and is ideal alongside all modern image (era 10 onwards) locomotives, class 66s and rolling stock.

Product highlights include:

• Class 43 HST power car train pack in GWR green


• DCC fitted with Triplex Sound (TXS) Bluetooth Next18 decoders


• Factory fitted 15mm x 11mm cube speakers in both power cars


• Detail specific light clusters, exhaust silencers and radiators for GWR HSTs


• Accompanying Hornby TT:120 scale HST Mk3 carriages available (eras 7/8)

Learn more about Hornby TT:120 with our full layout build video series here.

Read more about Hornby TT:120 in Hornby Magazine. Check out our latest issues here.