Thexirmada gear bevelsanduuqa gear-ka waxa ka mid ah qaybo ay ka mid yihiin gears bevel gears, bearings, shafts galinta iyo wax soo saarka, xidhmooyinka saliidda, iyo guryaha. Sanduuqyada gearboxes-ka ayaa muhiim u ah codsiyada farsamada iyo warshadaha kala duwan sababtoo ah awooddooda gaarka ah si ay u beddelaan jihada wareegga usha.
Marka la dooranayo sanduuqa gear-geeska ah, arrimaha la tixgelinayo waxaa ka mid ah shuruudaha codsiga, awoodda rarka, cabbirka sanduuqa gearbox iyo caqabadaha booska, xaaladaha deegaanka, tayada, iyo isku halaynta.