Tractor mounted post hole digger suitable for horsepowers from 35 – 85HP with PTO speed of 540 rpm. Cat 1 & 2 linkages. Auger sizes available are a choice of 6″, 9″, 12″, 16″, 18″, 20″ and 24″ diameters. Gearbox of cast iron housing; hardened gears, sealed oil bath lubrication. Steel frame with adjustable spring loaded restrainers to stop the swinging of auger during transportation. PTO universal drive shaft inclusive