Cutaway check out of the ZF 8HP transmission: torque converter on the still left, planetary gearsets in the centre, control mechanisms at the bottom The most common structure of automatic transmissions may be the hydraulic automatic, which typically utilizes planetary gearsets which can be operated utilizing hydraulics. Most automatic gearboxes https://jasperyfihf.jts-blog.com/32735687/the-best-side-of-gearbox-auto