1.The applications of FY260 crawler pneumatic water well drilling rig ·civil engineering drilling ·geothermal drilling, ·drilling with large diameter ·deep drilling footage ·fast, flexible and efficient. 2.The specifications of FY260 crawler pneumatic water well drilling rig Model FY260 Gross weight t 6.2 External dimension mm 3900*1950*2550 Aperture mm 140-325 Drilling depth m 260 Feed stroke mm 3000 Travel speed km/h 2.5 Grade ability max. 30° Rising height from ground mm 250 Wind pressure mpa 1.7-3.0 Air consumption m³/min 17-35 Engine power kw 85 Rotary speed rpm 40-70 Rotation torque n.m 7000-9000