CORGI TRACKSIDE DG206000 OO SCALE Scammell Townsman box trailer "Rail Freight" The Scammell Townsman was the ultimate development of the Mechancial Horse.It was in production from 1964 to 1968.It was faster and more comfortable than the Scarab and featured a fibreglass cab.Power cane from a standard diesel engine A very nice model of the Scammell Townsman, the final development of the well-known three-wheel mechanical horse. Painted in the bright yellow BR Railfreight livery this Townsman is drawing a box trailer painted to match the new tractor unit.