Mashiinka buuxinta bamka piston dareeraha ah waxaa loo isticmaalaa in lagu buuxiyo dareere kala duwan dhalooyinka, gasacadaha, koobabka, baaldiyada iyo weelasha kale. Waxa kale oo ay ku habboon tahay dareeraha viscous ama dareeraha qaro weyn, sida saliidda wax lagu kariyo, saliidda dufanka, cabitaanka, casiirka, maraqa, koollada, labeenta, malab, shaambo, saabuun, sunta cayayaanka, iyo bacriminta dareeraha iwm inta ay socon karto. Marka loo eego mugga buuxinta kala duwan iyo shuruudaha buuxinta, waxaan haynaa noocyo kala duwan oo mashiinka ah, sidoo kale waa lagu habeyn karaa iyadoo lagu saleynayo baahida gaarka ah ee macaamiisha.