Weight 28kgs Overall length 661 mm Cylinder Dia: 80mm Piston stroke: 80mm Operating air pressure 0.4-0.63MPa Impact frequencey: 28-36Hz Air-pipe bore(inner Dia.) 25 mm Water-pipe bore(inner Dia.) 13 mm Air consumption 66.7 L/S Drill rod trailer 22 x 108 mm Type FT160BD air leg(optional) Leg length 1400mm Propulsion stroke 965mm Weight 14.4kg Cylinder dia: 65mm FT160BC Air-leg: Length of air-leg: 1800mm Propulsion stroke 1365mm Weight 16.9kg Cylinder dia: 65mm FY200B Oil reservior Capacity : 200milliliter The rock drill is a kind of high efficiency air leg rock drill machinery. It is mainly used for diging into mine laneway and blasting holes in all drilling works. It is indispensably importance machine tool in metallurgy, coal, railway, traffic, water conservancy construction and national defence stone project. It is suitable for drilling and blasting under various of rocks at any direction angles. Blast hole dia is 34-42mm,drill hole depth is 5 m This machine may match with Model FT160BD short air leg or Model FT160BC long air leg. This machine has transparent surface of FY200B oil reservoir, easy to observe the oil lever, adjust oil quantity, ensure the well lubricated.