Economy Pack Rig: DTH - 100 with 10 ft. channel mast mounted on TATA - 404 Truck with water injection pump (36 LMP), hydraulic oil cooler, single rod changer etc. Compressor: 650 CFM@200PSI. Max. Drilling Depth: 6.5" - 100 Mtrs., 4.5" upto 150 Mtrs. Max. Drilling ...