Etpeed gearbox | lClechanica1 gearbox 8 x 35) (ratio 8 x 35) | - (air conditioner). | - (air conditioner). | Me&mica1 gearbox X 7 x 34) (ratio 7 34) | - air conditioner). | : Mechanical gearbox : | 8 x 35 - (ratio 8 x 35). | - (ratio 7 X 34). 7 x 34