In 1923 a 24-seat
Brush bodied
Clough, Smith trolleybus was ordered as an experiment, entering service in 1925 on the Magazine Road to Jetty via Chulia Street service. It was followed by a 22-seat Strachans & Brown bodied
Thornycroft. In 1926 three trolleybuses were purchased from
Ransomes, Sims & Jefferies, who supplied another five in March 1929. Two existing Thornycroft
motor buses were converted to trolleybuses in 1929 and 1931, respectively. In 1934, two nine-seater trolleybuses were purchased specifically for the one mile
Penang Hill Railway service from Lower station to the
Air Itam main road. A further 18 Ransomes, Sims & Jefferies trolleybuses were delivered in 1935/36. Six more followed in 1938-1940. By the end of the
Japanese occupation of Malaya, the entire fleet was out of service. All were gradually returned to service between 1946 and 1950 except two that were too badly damaged. In the 1950s the original fleet was replaced by 26
Sunbeams and five 1935 built
AEC 664T double-deckers purchased second-hand from
London. The network closed on 31 July 1961. ==Fleet==