Manufacture and Supply PHIL Make PDTHR-300 REFURBISHED Truck Mounted hydraulically operated DTH drilling rig capable of drilling Dia 8" by DTH and 12" Dia by Rotary up to the depth of 300 meters. â?¢ Sturdy structural channel mast with 15 feet rod handling capacity. â?¢ Rotary Head gear box with mud swivel arrangement. â?¢ Feed cylinder DIA 140x100x2350mm â?¢ Jack cylinder DIA 125x70x610mm â?¢ Mast rising cylinder DIA 125x100x800mm â?¢ Break out wrench cylinder DIA 80X50x300mm â?¢ Airline lubricator â?¢ RHGB with Motor â?¢ Prime mover through PTO arrangement.