Production chronology1932
Sourced production or model lifecycle range used by the main catalog timeline.
Wikipedia infobox ↗1 year
← Associated Equipment Company
Associated Equipment Company / Model record
Associated Equipment CompanyAEC 691T
Production1932
Recorded originUnited Kingdom
ClassAutomobile
Background
The AEC 691T was a one-off experimental three-axle double deck trolleybus chassis manufactured by AEC. In 1932, the Underground Electric Railways Company of London commissioned AEC to build an extended version of the AEC 663T.
Text adapted from “AEC 691T” on Wikipedia ↗ · CC BY-SA 4.0 ↗ · retrieved 2026-07
Chronology ledger
Dates with their meaning intact
Record depth — Documented
How this is measured → This record contains useful sourced evidence, but it does not yet meet the reference-ready standard. Still needed: technical or production facts, attributed imagery. Fields we cannot source stay empty rather than guessed.