Gear Box:Precision,mechanisms with heat treated gears in a heavy gear box housing designed to suit tough soil conditions PTO Shaft:Telescopic shaft with Shear Bolt Torque limiter,which acts as a fuse in case of overload or when the implement encounters a boulder/rock in the soil. Mounting:Mounted on 3 point linkage category I & II. Auger:Sizes are optional and can be selected by the customer of their choices ranging from 9",12',18"and 24". Depth :One meter maximum