LEGO MOC 8-Speed manual gearbox by Whathetech | Rebrickable - Build with LEGO
Decoding the gearbox of the LEGO Technic 42110 Land Rover Defender - RacingBrick
LEGO MOC 2 Speed Gearbox by thatbrickguy | Rebrickable - Build with LEGO
Never really built a gearbox before but knew the basics of a 2 and 4 speed boxes so i smashed them together and build this kinda small 8 speed gearbox : r/legotechnic
LEGO MOC 6-Speed Synchronized Gearbox by DGustafsson13 by DLuders | Rebrickable - Build with LEGO