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Ultramatic
Ultramatic was the trademarked name of the Packard Motor Car Company's automatic transmission introduced in 1949 and produced until 1954, at Packard's Detroit, Michigan East Grand Boulevard factory. It was produced thereafter from late 1954, thru 1956 at the new Packard "Utica" Utica, Michigan facility.
==1935-1948: Development==
Packard's Ultramatic transmission was the creation of the company's chief engineer Forest McFarland and his engineering team. The magnitude of the accomplishment is illustrated by the fact that it was the only automatic transmission produced solely by an independent automaker with no outside help. Devices like the Ultramatic were being tested and designed by Packard from 1935 on, but none sufficed the perfectionist engineer. The Ultramatic's development was halted as was all automotive work during World War II, but resumed in earnest during 1946. Packard, during this period, was suffering in competition with Cadillac, thanks to their popular self-shifting Hydra-Matic, which was available starting in 1941 and became popular during 1946-1948. Packard at that time only offered an Electromatic Vacuum Clutch option, which required manual shifting, and as most vacuum powered shifting, and clutching devices, was generally unreliable. In 1949, Packard's 50th anniversary, McFarland's Ultramatic Drive became available as a $199 option. It was first offered only on the De-Luxe Packard Customs.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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