Majini ezvekuti ezinesi echienda ane hunyanzvi hwekubata, hupfumi hwakanaka, ari nyore kutanga, uye shanduko huru kune dzakasiyana siyana dzengarava. Mushure mekunge ndasuma, ivo vakakurumidza kutorwa sesimba guru rekuparadza ngarava. Pakasvika 1950s, mainjini ezvinyorwa zvakange zvatsiva zvikepe zveshuwa muzvikepe zvichangobva kuvakwa nengarava dzepfungwa dzevakuru. Maererano nebasa ravo muzvikepe, ivo vanogona kuiswa semanyorero makuru uye mainjini ebetsero. Main enginini anoshandiswa kune ngarava yekutamba, nepo mainjini echikupedzisira
Iyo Nyika Yepamusoro Gumi Yechiratidzo cheGile Clabs inosanganisira DEUTZ kubva kuGermany), murume wechiGerman, British Perkins, English Caterpiller, South Korean Doosan Daewoo, Japan Yanmar