Relier Pairs mechanical gearbox Version en ligne aprender las partes de la caja mecanica en ingles par cristhian david diaz arevalo 1 gearbox packaging 2 attack pinion 3 reverse 4 input shaft 5 synchronizing rings 6 thrust bearing 7 gearbox housing 8 differential crow 9 bearings 10 crankcase gearbox 11 crazy pinion 12 secondary tree 13 primary tree 14 change selector 15 gear lever 16 output shaft 17 change selector insurance springs 18 differential