Specifications include, but are not limited to: Rotary Drive: Hydraulic drive through multi-speed transmission, 5-speed minimum, driving a right-angle gearbox using tapered roller bearings in an oil bath. The spindle shall have a bore of 2 3/4 inches and terminate in a circular multi-bolt flange that will bolt up to a 1 5/8-inch hex safety drive coupling. The rotary head system pressure is set at 2500 PSI. The rotary drive system is fixed to the feed frame and does not move off the hole.; Vertical Drive: Hydraulic cylinder-mounted rotary drive providing dual directional movement up and down. This hydraulic vertical drive shall have a minimum pullback force of 17,500 pounds at 70 feet per minute and a minimum ram force of 13,000 pounds at 90 feet per minute. The drive frame shall have a permanent vertical position with a minimum of 65 inches of feed travel and shall have the ability to move from side to side.; Power Unit: The Drill will be powered through the tractor’s rear-mounted power take-off putting out 85 PTO HP at 2500 RPM.; Hydraulic System: Hydraulic components shall be powered by a heavy-duty tandem gear pump. The primary shall drive the rotary head and the secondary pump shall drive vertical feed, water pump, and other auxiliary functions. Return oil shall pass through oil cooler and a replaceable element filter before returning to a cool flow hydraulic oil tank. Hydraulic pump shall be mounted to a John Deere 5100M rear-facing PTO shaft.
