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The Bedford OB model is a bus or coach chassis that was introduced by Bedford in 1939. It was designed as a successor to the Bedford WTB. The OB has a wheelbase of , and is a semi-forward control model, designed to carry 26 to 29-passenger bodywork. It is fitted with a 27.34 horsepower petrol engine, and has a four-speed manual gearbox and fully floating rear axle. The brakes are of the vacuum servo-assisted hydraulic type. Although only 73 were built prior to the cessation of production due to World War II, it reappeared in a largely unchanged form at the end of the war, continuing in production until 1951. A total of 12,766 were produced, making it one of the most popular buses of its type ever. Bedford co-developed with Duple the "Vista" coachwork for the OB, fronted by a classic bullnose. The ash framework was reinforced with steel, and the floor made from hardwood with softwood tongued and grooved boarding, with the exception of the cab area which was finished with alloy chequerplate. Seating capacity was normally 29 with overhead luggage racks provided for passengers, whilst the rear luggage boot was also used to store the spare wheel. The price of a complete coach, including finishing in a two-colour livery, was £1,314.10s for a 27-seater, and £1,325.10s for a twenty nine seater.〔 Geared to reach speeds of at least , which was fast for its day, the OB is remembered by many for its characteristic gearbox whine. ==Pre-war OB== The Bedford "O" type lorry chassis was introduced in August 1939, with a coach-chassis version named the "OB". Duple Coachbuilders modified their 'Hendonian' body to fit the chassis, which at was longer than the previous WTB model. The six cylinder overhead valve power unit with a capacity of 3519 cc, introduced in 1938, developed at 3000 rpm. Only 73 OB buses were built in the two months before production ceased at the outbreak of World War II. All of Vauxhall and Bedford production was turned over to the war effort, specifically producing the Churchill tank. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bedford OB」の詳細全文を読む スポンサード リンク
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