Crafts mechanical ceev coupler yog tus pin grab hom ceev coupler.Muaj ib tug neeg kho tshuab ntsia hlau lub tog raj kheej txuas mus rau lub movable nuv.Thaum peb siv tus ciaj ntswj tshwj xeeb los kho lub tog raj kheej, ua kom nws ncab lossis thim rov qab, tus nuv yuav tuaj yeem rub lossis poob tus pin ntawm koj qhov txuas.Crafts mechanical ceev coupler tsuas yog haum rau lub excavator hauv qab 20t chav kawm.