![Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions. Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions.](https://technicbrickpower.com/content/thumbs/lego_technic_2_speed_auto_gearbox_a_new_hope_with_build_instructions.jpg)
Lego Technic video about Lego 2 Speed Automatic gearbox - worm gear prototype. Includes build instructions.
![Lego Micro Automatic Gearbox Instructions - Lego Technic Mastery - YouTube | Lego gears, Lego technic, Lego mechanics Lego Micro Automatic Gearbox Instructions - Lego Technic Mastery - YouTube | Lego gears, Lego technic, Lego mechanics](https://i.pinimg.com/474x/1b/43/1d/1b431de81a039ae3e16308637f7231b6.jpg)
Lego Micro Automatic Gearbox Instructions - Lego Technic Mastery - YouTube | Lego gears, Lego technic, Lego mechanics
![LEGO MOC 2 Speed Automatic Gearbox - Smooth & Compact by TechnicBrickPower | Rebrickable - Build with LEGO LEGO MOC 2 Speed Automatic Gearbox - Smooth & Compact by TechnicBrickPower | Rebrickable - Build with LEGO](https://cdn.rebrickable.com/media/thumbs/mocs/moc-51810.jpg/1000x800.jpg)
LEGO MOC 2 Speed Automatic Gearbox - Smooth & Compact by TechnicBrickPower | Rebrickable - Build with LEGO
![LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO](https://i.ytimg.com/vi/iSSuwAuOLZM/maxresdefault.jpg)
LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO
![This is my 3 speed automatic gearbox MOC. The gearbox automatically switches between one of 3 gear ratios, namely a ratio of 1, 1/3rd and 1/9th depending on the load on the This is my 3 speed automatic gearbox MOC. The gearbox automatically switches between one of 3 gear ratios, namely a ratio of 1, 1/3rd and 1/9th depending on the load on the](https://preview.redd.it/ukmfn9lgy6851.jpg?width=640&crop=smart&auto=webp&s=a6f6384d30df8fd7f58929c7702bfe2b875eaaa5)
This is my 3 speed automatic gearbox MOC. The gearbox automatically switches between one of 3 gear ratios, namely a ratio of 1, 1/3rd and 1/9th depending on the load on the
![10 Speed Sequential Gearbox with Park and Reverse - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums 10 Speed Sequential Gearbox with Park and Reverse - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](http://www.brickshelf.com/gallery/gtahelper/Technic/LC500/4_996_gearbox.jpg)
10 Speed Sequential Gearbox with Park and Reverse - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![Amazon.com: PHYNEDI Manual 8 Speed Gearbox Transmission Bricks Model Compatible with Lego, MOC DIY Small Particle Construction Collection Building Toy for Adult, Genuine Authorization MOC-79482 (685 Pieces) : Toys & Games Amazon.com: PHYNEDI Manual 8 Speed Gearbox Transmission Bricks Model Compatible with Lego, MOC DIY Small Particle Construction Collection Building Toy for Adult, Genuine Authorization MOC-79482 (685 Pieces) : Toys & Games](https://m.media-amazon.com/images/I/617jCPRpMKL._AC_SX466_.jpg)