AEC K-type

AEC K-type
Overview
Manufacturer	AEC
Body and chassis
Doors	1 door
Floor type	Step entrance

The AEC K-type was a type of bus chassis built by Associated Equipment Company (AEC) from 1919 until 1926, mainly for use in London by the London General Omnibus Company (LGOC).

The K-type was an important design that ended the horse-bus influence on bus layout apparent in the LGOC X-type and LGOC B-type. By placing the driver beside the engine and using a wider, straight-sided body, seating capacity was increased from 34 passengers to 46 passengers. The open-top body continued to use perimeter seating on the upper deck, but the additional width allowed the use of transverse seating on the lower deck. The bodywork was typically built by LGOC, but Short Brothers, Brush and Strachans all built smaller numbers to the same standard design.

The K-type chassis was first designed by LGOC in 1914, but development was delayed by the First World War. The first chassis was completed in August 1919. The chassis was fitted with a 30 hp 4.4-litre four-cylinder engine and had a three-speed chain gearbox and multiplate clutch.

The vast majority of K-types entered service with LGOC. The first vehicle, K1, entered service in August 1919 and was followed by K2 in September 1919. These two buses, were used for development, together with K3 which was used for chassis instruction and never received a body. The next batch of 1,040 K-types entered service from May 1920 until 1921, and were mainly used in central London. This allowed smaller B-types to be used on new routes in and around London. Smaller batches were delivered between 1924 and 1926, bringing the total to 1,132.

Outside of London, six K-types were sold to Torquay Tramways for feeder services to tram routes. A further twelve were bought by East Surrey Traction Company between 1920 and 1921. This company also received transfers of the type from LGOC in order to operate services in Kent and Surrey on its behalf.

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