Sanduuqyada gooynta Rotary waa qayb muhiim ah oo ka mid ah gooyayaasha wareegta ee loo isticmaalo hawlaha beeraha ee kala duwan sida jarista cawska ama jarista dalagga.Waa sanduuqa gearbox ee lagama maarmaanka ah ee ka mas'uulka ah u gudbinta tamarta ay dhaliso korontada cagaf-cagaftu ee daabadaha gooyyaha wareegta.Sanduuqa gearbox ee waxtarka leh, daabku wuxuu ku wareegi karaa xawaare sare si uu u gooyo dhirta cufan si degdeg ah oo hufan.Sanduuqyada gear-gooyska ee Rotary ayaa caadi ahaan ka samaysan bir culus ama aluminium si ay ugu adkaystaan xaaladaha adag ee shaqada iyo culaysyada la kulma wakhtiga goynta.Sanduuqa gearbox wuxuu ka kooban yahay shafka wax gelinta, shafka wax-soo-saarka, gears, xajmiyada, shaabadihii iyo qaybo kale.