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| production = 1931–1938 | model_years = | assembly = | predecessor = Hispano-Suiza H6 | class = Luxury car | body_style = by arrangement with the customer's coachbuilder | layout = FMR | engine = | transmission = 3-speed manual | wheelbase = | length = | width = | height = | weight = | related = | designer = | sp = us }} The Hispano-Suiza J12 is a luxury automobile that was made by Hispano-Suiza from 1931 to 1938. It was the largest and most expensive car ever built by Hispano-Suiza. It replaced the Hispano-Suiza H6. The J12 was powered by a 60° V12 engine with pushrod-operated overhead valves and a seven-bearing crankshaft. The engine initially displaced with bore and stroke both being and with a compression ratio of 5.0:1, delivered 220 hp at 3000 rpm. Two cars were fitted with long-stroke engines displacing and delivering 250 hp, and several J12s were later upgraded to the larger engine. Each engine block was machined from a single billet. Hispano-Suiza suspended automobile production in 1938 to concentrate on the manufacture of aircraft engines. ==Notes== 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「Hispano-Suiza J12」の詳細全文を読む スポンサード リンク
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