Used Rock Buster R-77 Hyd. Rotary drilling rig. Used twice. Comes with 200\'X 2 3/8\" Mayhew drill pipe and misc.drill collars and subs. Yanmar diesel engine serial #M18668 on drill and Honda GX670 gas serial #1062900 engine on MCM mud pump #5173. Comes with 4\" and 6\" step bits Also 3 3/4\" and 6 3/4\"rock bit.Rated to 400\' deep. Still original paint.All mounted on two axle trailer. Rig is ready to work. Buyer responsible for all freight. Located in Gridley Ca. For questions call 530-604-0190

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