The AEC 661T was a two-axle double deck

trolleybus A trolleybus (also known as trolley bus, trolley coach, trackless trolley, trackless tramin the 1910s and 1920sJoyce, J.; King, J. S.; and Newman, A. G. (1986). ''British Trolleybus Systems'', pp. 9, 12. London: Ian Allan Publishing. .or troll ...

chassis manufactured by AEC between 1931 and 1942. Based on the AEC Regent bus chassis, 330 were built for United Kingdom operators.

References

{{AEC range, state=collaped

661 Year 661 ( DCLXI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 661 for this year has been used since the early medieval period, when the Anno Domini calendar era became the ...

Trolleybuses Vehicles introduced in 1931