Construction machinery parts excavator spares 20T quick hitch coupler
hydraulic quick hitch coupler for excavator china quick change joint performance and other construction machinery attachment advantages use high strength materials; for various models of 4 45 tons, use safety device of hydraulic control check valve to ensure safety; excavator configuration parts do not need to be modified, do not need to disassemble pin it can be replaced, so installation is excavator attachments quick coupler hitch china of course, except for this, there are external oil circuits and solenoid valves working at the same time. it is recommended to select hydraulic quick coupler if the weight of excavators was over 13t. 2.picture for this quick coupler of excavator attachments.