FDP-400HDD RigFDP-400, Horizontal Directional Drilling Rig. Max Feed Thrust / Feed Pull: 4000KN(899200 lbf). Feed Thrust/ Feed Pull System, Pinion and rack type, moving with 6 gears driving with three-speed gear shift, step less speed regulating Ⅰ shift: 7.5m/min (24.6 feet/min) Ⅱ shift: 32m/min (105...