Hydraulic hose couplers and fittings for mulching attachments, skid steers and dedicated carriers. A half-seated coupler is the most common reason a mulching head stalls under load; see why a mulcher stalls or bogs down and how to check it. This range covers Stucchi flat face quick couplers in the 1 inch high flow VEP17P and VP17P series and the 3/4 inch VEP13P series, in SAE ORB, ORFS, JIC and NPT ports, fitting many John Deere, CAT, Bobcat, ASV, Kubota and Takeuchi carriers, including a direct replacement coupler block for the John Deere 333G, and connecting to Fecon, FAE, Denis Cimaf, Shearex and New Holland mulcher heads. Check the fitment table below, then confirm your port size and thread type before ordering.