 The 30 ft coach was the L2 which had the same wheelbase but was an inch shorter overall, the left-hand-drive LHL1 shared the wheelbase but the overall length was 29 ft 2in.All had a swept turning circle of 68 ft.The initial 36 ft models launched at the 1961 Scottish Motor Show at Kelvin Hall all shared an 18 ft 6in wheelbase, the PSU3.1R PSU3.1L PSU3.2R and PSU3.2L bus versions had a chassis length of 35 ft 1 1/2in with a swept turning circle of 71 ft and the coaches, PSU3.3R PSU3.3L PSU3.4R and PSU3.4L had a chassis length of 31 ft and a swept turning circle of 68 ft. standard Gross Vehicle Weight of the PSU3 was 11 1/4 tons but a 13-ton GVW was optional.