Bucket Mount, 13-1/2 inch diameter blade, 5 inches maximum cutting depth. Twin Oilite®- type, sleeve bearings, 25,000 lbs maximum down force capacity. Not for use with skid loaders. Produces smooth sided cuts up to 5-1/2 inches deep at rates up to 6000 feet per hour through high density asphaltic materials. Patented clamping system. Built with steel plate structures to resist stress related cracking and distortion. Special alloy-steel cutting blades are field replaceable without disturbing bearing or seals. No special tools required for installation. Attach to most backhoes, tractor/wheel loaders, road graders, dozers and other construction machinery.