Sanduuqyada gearbox ee kale waa kuwa loogu talagalay codsi gaar ah ama warshado.Caadi ahaan waa noocyo la habeeyey ama wax laga beddeley oo ah moodooyinka gearbox ee caadiga ah ee lagu hagaajiyey shuruudaha waxqabadka gaarka ah, xaaladaha deegaanka ama caqabadaha hawlgalka.Sanduuqyada gearbox ee kale ayaa lagu heli karaa noocyo kala duwan oo kala duwan waxaana laga heli karaa warshado kala duwan oo ay ku jiraan baabuurta, hawada hawada, difaaca iyo caafimaadka.Tusaale ahaan sanduuqyada gear-yada kale waa sanduuqyada gearboxes-ka, kuwaas oo inta badan lagu isticmaalo mishiinada culus iyo roboticska.Sanduuqa-geerada meeraha Planetary gear waxay adeegsadaan qalabka qorraxda dhexe iyo gears badan oo meeraha kuwaas oo ku dahaadhay qalabka giraanta dibadda ah, taasoo keentay naqshad is haysta oo hufan oo bixisa cufnaanta wareegga sare.