Model 90 3 point hitch post hole digger for most compact, Category 0 tractors. Fast post hole digging with convenient, safe operation from the tractor seat. Heavy duty gear box and driveline. Model 90 3 point hitch post hole digger quick connects to 6 spline PTO. Light duty rating. Carbide, replaceable cutting edge. Spiral tip point included. 6″, 9″ and 12″ augers available. Width of the top link on the 3 point hitch: 1 5/8”. Top Link Pin Diameter: 5/8″. Left Arm Pin Diameter: 5/8″. RanchEx brand 6, 9, and 12 inch augers available for this model (RanchEx SKU’s 101017, 101018, 101019). Backed by a 3- Year Warranty on the gear box, boom, auger and A-frame / 1 Year Warranty on drive line. You can trust Dirty Hand Tools for all your outdoor power equipment needs.