tractor manufacturers. • The 1 ST model built in 1939, the 9N did not have position control. • The 8N built from 1947 – 1952 utilized the same basic system but added position control through mechanical linkages. RL Carr, 07-Dec-2006 ...
Automatic transmissions have hydraulically operated gear sets that require no gear shifting or clutching by the driver Gears are shifted automatically through the use of hydraulics and electric signals from an on-board computer A series of gears are applied as the need arises. This need is determine...