Ukuqhubeka kwangaphambili - ngendlela eqhubekayo yangaphambi kokudala, ukucebiswa kunikezwa ukwakheka kwangaphambili okuchaziwe kokunyakaza okukodwa. Amanye amayunithi asetshenziswa ngokwesiko asetshenziswa kuqala yi-hydraulic noma imishini yokunyathelisa imishini kanye nemingcele yesiphambano. Inqubo eqhubekayo inikeza inzuzo, ikakhulukazi nge-aluminium, ukuthi inqubo emfushane ifaka kuphela ukupholisa okuncane kwengxenye kanye nezikhathi zomjikelezo ophakeme kungafinyelelwa. Okubi ukuthi izinga lokuqalisa livame ukukhawulelwa kwinqubo eyakhelwe ngaphambili, ngoba kuphela inani elilinganiselwe lamandla futhi amandla akhawulelwe atholakalayo engxenyeni eyodwa ngaphakathi kwesifo sohlangothi esisodwa (sabezindaba) noma inguquko eyodwa.