On the list of manual transmissions may be the Wilson pre-selector, launched in 1930 applied being a planetary equipment technique to preselect gear ratios by working a small lever around the steering section.  Apa masalah nya? adakah GB saya dah out? and kalau GB rosak, berbaloi baiki atau cari kat https://gearboxauto97418.theisblog.com/34006484/helping-the-others-realize-the-advantages-of-gearbox-auto