Cat Excavator Couplers for Sale Excavator Quick Coupler systems change work tools quickly and easily in a matter of seconds. See Our Excavator Couplers Models: 10 Ton Excavators Dual Lock™ Pin Grabber Coupler Weight 337.3 lb Width 14.9 in Length 30.5 in View Specifications 3-4 Ton Excavators Hydraulic Dual Lock™ Pin Grabber Coupler Weight 90.4 lb Width 9.9 in Length 16.7 in View Specifications 5 Ton Excavators Hydraulic Dual Lock™ Pin Grabber Coupler Weight 169.8 lb Width 10.7 in Length 20.8 in View Specifications 8 Ton Excavators Hydraulic Dual Lock™ Pin Grabber Coupler Weight 211.6 lb Width 14.6 in Length 23.4 in View Specifications CW-70 Dedicated Quick Coupler Weight 2750 lb Width 33.6 in Load Rating, Hoisting Hook 22 ton (US) View Specifications