Hornby have announced new TT:120 models including all new class 47 diesels, new liveries for class 37 diesels and coaches and new buildings added to the range.
The Class 47 or Brush Type 4 diesel-electric locomotives were developed in the 1960s by Brush Traction. A total of 512 Class 47s were built which made them the most numerous class of British mainline diesel locomotive. 
The first three all new Class 47s announced that are available in both DCC Ready and TXS DCC Sound fitted versions are:
TT3096 BR Two-Tone Green - Class 47 - D1662 'Isambard Kingdom Brunel
TT3097 BR Large Logo Blue - Class 47 - 47485
TT3098 Virgin Trains Red - Class 47 - 47845 'County of Kent'

The three new liveries for the Class 37s are as follows:
TT3062M ROG Class 37 Cassiopeia 37800
TT3058M Colas Rail Class 37 37421
TT3063M BR Class 37 D6865
To view all the Hornby TT:120 diesels in stock and to pre-order the above new items click here.
New liveried Mk1, Mk2E and new Mk2f buffet coaches also join the range:

TT4096 BR Maroon - Mk1 - TSO
TT4096A BR Maroon - Mk1 - TSO
TT4097 BR Blue & Grey - Mk1 - TSO
TT4097A BR Blue & Grey - Mk1 - TSO
TT4097B BR Blue & Grey - Mk1 - TSO
TT4102 BR Maroon - Mk1 - CK
TT4104 BR Maroon - Mk1 - BSK
TT4117 BR InterCity Executive - Mk2E - BSO
TT4118 BR InterCity Executive - Mk2E - TSO
TT4119 BR InterCity Executive - Mk2E - FO
TT4090 WCR Intercity Blue Grey Mk2F Restaurant First Buffet 1212
TT4089 Virgin Trains Red Mk2F Restaurant First Buffet 1213
TT4091 BR Intercity Swallow Mk2F Restaurant First Buffet 1202
To view all the Hornby TT:120 coaches in stock and to pre-order the above new items click here
The range of TT:120 buildings anD scenic items increases including Diesel fueling point and terraced houses and corner shop.

To view all the Hornby TT:120 buildings in stock and to pre-order the above new items click here.
Subject to alteration.