Crafts mechanical coupler ekhawulezayo luhlobo lwe-pin ukubamba olukhawulezayo.Kukho i-screw cylinder yomatshini edibanisa ihuku eshukumayo.Xa sisebenzisa i-wrench ekhethekileyo ukulungisa i-cylinder, yenza ukuba yolule okanye ihoxise, ikhonkco iya kukwazi ukubamba okanye ilahlekelwe ipini yesinamathiselo sakho.Crafts mechanical ekhawulezayo coupler ifanelekile kuphela excavator ngezantsi 20t iklasi.