Safely and quickly dig post holes with this 3-point post hole digger and your Category 1 or 2 tractor. Built with a heavy-duty gearbox and driveline and a quick connect to a 6 spline PTO, this digger will make quick work of any fencing job. 540 RPM, 40 HP Gear Box. Requires 80W-90 gear oil. Gear box holds 25 fl. oz. (0.7L)