TT4031B GWR Mk3 Trailer Standard Open 42351 option-set-177 You'll find the 8 pin

You'll find the 8 pin socket in Hornby locos and many other locomotives in OO

safety & security posts and more

The Narrow gauge separates to the Left

DCC Decoder in Base

TT4031B GWR Mk3 Trailer Standard Open 42351 option-set-177 You'll find the 8 pinIn 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 brakes and wheel slip protection enabling faster