This video from oorail.com looks at the Class 56 (56083) from Hornby. This model features directional lighting, NEM couplings, sprung buffers, working roof exhaust fans and is DCC Ready. The R3050A version is in BR Blue, but this model is also available in Railfreight Grey (56040 - R2962), Railfreight Coal Livery (56095 - R3033XS / 56091 - R3084XS) and Railfreight Construction (56037 - R3052).