The model 925 Industrial Duty post hole digger has the power and strength to dig holes the depth and diameter you want. The model 925 handles up to a 30" auger. This economical post hole digger has shear-bolt PTO protection for the gearbox if the auger encounters an immovable object. The industrial duty gearbox has a 4:1 gear ratio providing high torque for those tough digging jobs, especially using larger diameter augers. Fits category 1 and 2 tractors. Sold LESS Auger (required)