The co co diesel dp world london gateway 66185 class 66 locomotive r3486 is an outstanding model train that39s the perfect fit for your 00 gauge hornby layout it features a huge amount of detail on all sides and boasts accurate rail livery that adds a real air of authenticity to your set connect it up to your wagons and watch your assembled train roll around the track on a mission to deliver passengers goods and anything else it can tow