[5] At Olympia's Commercial Motor Show in March 1907, Commer exhibited a motor-bus chassis with a 30–36 horsepower engine and a gearbox invented by Mr Linley, the works manager.

As well as the bus chassis Commer displayed a char-a-banc for thirty passengers and delivery vans being run by a substantial enterprise.

[6] A new "large and powerful" lorry, E43, registration BM 787, took part in the Great Commercial Motor Trials in September 1907.

Unladen weight was (3.7 tonnes) 3 tons 13 cwt, the engine had four-cylinders, its output was 33 horsepower at 800 rpm.

With the outbreak of the First World War the factory turned to the manufacture of military vehicles for the British Army, and by 1919 more than 3000 had been made.

Though obliged to undergo financial restructure in 1920 in the hope of avoiding creditors, the business was unable to avoid repayment of a debt of £75,000 due to the Treasury, raised in order to pay 60 per cent Excess Profits Duty on wartime activities.

For some time, it continued to produce the Dodge commercial truck range with Renault badges, and there was a small amount of product development.

[16] These newer models were more streamlined and modern in appearance and adopted an American International-like front end.

[16] The truck proved fairly popular but did not provide fierce competition for products by more known brands such as Leyland and Bedford.

Airflow Streamlines was coincidentally the same company that styled the 1955 Superpoise, leading to both vehicles using almost the same cab design and having many parts interchangeable.

[21] The Commando was used as a Crew Bus by the Royal Air Force following the Second World War with a 1 1/2 Length Observation deck.

[23] Australian production circa 1950 included a coupé utility variant with an additional side window.

[33] It was renamed as the Hillman Imp Van in October 1968, with total production reaching 18,194 units prior to it being phased out in July 1970.

[32] The last generation of the Hillman Husky estate car, which was introduced in July 1967,[33] was based on the Imp Van and used the same sheetmetal ahead of the B-pillar.

Production ended in 1966 after Commer had launched the newer Walk-Thru in 1961, leading to the BF being offered as a cheaper alternative to what eventually became its successor.

Todd Motors in Petone, New Zealand, made a short run of these vehicles during 1970, however they were not a successful model.

[citation needed] The Walk-Thru was later modernized and sold under the Dodge brand (parent company Renault / Chrysler) until the late 1970s when it was replaced by the 50 Series of commercial vehicles.

Reportedly, one condition of the government bailout of Chrysler's British operations in 1976 was a commitment to upgrade the Spacevan, which was praised for its brakes, cornering, and price, but criticized for its power, comforts, and top speed.

While serving in the army, British humourist Frank Muir reported a broken-down vehicle over his radio with the words "The Commer has come to a full stop.

"[39] Commer designed and manufactured its own diesel engines for its heavy commercial vehicles and buses.

[45] Special products in their catalogue included their Cob tractor, their "mechanical horse" originated by Karrier in 1930, and municipal motor appliances: refuse collectors, sweepers and trolley buses.

The Cob had been supplied to the Southern, LNE and LM&S railway companies and repeat orders were in hand at the time Karrier was bought.

In October 1917, Underdown was appointed Director of Agricultural Machinery at The Ministry of Munitions and the following biographical notes were published: