When Wynns operated there Ts cabs were still available They also had quite a number Of Ts that were purchased for spares only ..but needed to have room for 3 personnel ..Pickfords option was the canvas cabin on the side .. Nash.Morgan from the forest of dean built all except for the last 3 Ts ,,they were built in house designed by Stan Anderson and these became known as the Anderson cab of which one survives into presevation..3630.DW..now owned by Dave Weedon of York