Quick couplers, also known as quick hitches, are essential excavator accessories for fast tool replacement. They allow swift switching of working tools without manual pin disassembly. As key parts to expand excavator versatility, YouStar quick couplers greatly boost on-site efficiency and safety, widely applied in construction, mining and municipal projects. Quick Coupler Types Three mainstream types are available to suit different working conditions:Hydraulic Quick Coupler,Mechanical Quick Coupler and Grease-driven Quick Coupler.