BUT 9611T
{{Notability|date=December 2023}}
{{Use dmy dates|date=April 2022}}
{{Infobox bus
|name = BUT 9611T
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|manufacturer = British United Traction
|production = 1947 - 1951
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|doors = 1
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|related = AEC Regent III
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|successor = BUT 9612T}}
The BUT 9611T was a two-axle double deck trolleybus chassis manufactured by British United Traction between 1947 and 1951. It was based on the AEC Regent III bus chassis, with a total of 138 manufactured for 11 operators in England at Leyland's Ham and AEC's Southall factories.{{cite book|last=Lockwood|first=Stephen|title=A-Z of British Trolleybuses|year=2017|publisher=Crowood Press|location=Marlborough|isbn= 9781785002885}}