| Anglais | Espagnol | |
|---|---|---|
| Petrol | ||
| Petrol | main gear | engranaje principal |
| Anglais | Espagnol | |
|---|---|---|
| General | ||
| General | cross from the main gear of a mill | cruces [f/pl] |
| Engineering | ||
| Engineering | main gear assembly | eje principal del conjunto |
| Automotive | ||
| Automotive | main drive gear | engranaje de mando principal [m] |
| Aeronautics | ||
| Aeronautics | main gear beam | viga del tren principal |
| Aeronautics | main landing gear | tren principal |
| Aeronautics | main gear uplock | caja de embrague de subir tren |
| Aeronautics | main gear door jack | gato de trampa principal |
| Aeronautics | main landing gear door | puerta principal del tren de aterrizaje |
| Transportation | ||
| Transportation | landing gear main shock strut | soporte de choque principal del tren de aterrizaje [m] |
