![](https://cdn.statically.io/img/upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up gearbox in Wiktionary, the free dictionary.
A gearbox is a component of a propulsion transmission providing multiple gear ratios.
Gearbox may also refer to:
- Gear train, a component of a transmission
- Gearbox Software, a video game company
- Gearbox Records, a recording company
- Operation Gearbox, a World War II military operation in 1942
- Operation Gearbox II, a World War II military operation, 1942–1943