Associated Equipment CompanyAEC 664T

The AEC 664T was a 18 ft. 7 5/16 in. wheelbase three-axle double deck trolleybus chassis manufactured by AEC between 1933 and 1942 and designated for installation of up to 74 passengers' rear- or central-entrance 30 ft. (length) x 7 ft. 6 in. (width) body. Based on the AEC Renown bus chassis, 796 were built for British operators including 660 for the London Passenger Transport Board for whom it was primarily developed.