Manufacturer: Ingersoll Rand Model: ECM-370 IR ECM370 crawler, vertical, hydraulic rock drill, uses T38 steel, VL140 drifter, Cummins 8CT 8.3T 215HP engine, 21/2″-4″ hole. Get Price Drilling Rigs For Sale | GovPlanetThis chapter reviews the various capabilities of hydraulic rigs along with requirements for crews, support vessels, well control, and other aspects of the drilling operation. A portion of the well might be drilled by a conventional rig with the remainder of the well drilled by a hydraulic rig. Each portion of the hole must be matched with the ...A drilling rig (10) having a boom (12) supporting a leader (36).The leader (36) is pivotally attached to the boom and is moveable between a generally upright orientation and a generally horizontal orientation for the purposes of transportation by a vehicle (11).Hydraulic rams (33) cause linear movement of the leader relative to the boom while the hydraulic ram (33) causes tilting of the …2015 HMC STR 15 #3 pile driver. Manufacturer: Hercules Machinery Corporation. For sale, A 2015 HMC STR15 this is one of two STR's I'm selling 24 foot mast! can hammer 21 foot pile. upgraded to a STR20 hammer. great machine but I no longer need it. machine is ready to work. 90,000 ... $90,000. Tulsa, OK, USA.