⇄ Compare with other cars
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

Sources