Main parameter Drilling depth 100m Finally hole diameter 75mm Drilling rod diameter 42mm Dimensions (L*W*H) 1640*920*1240 Weight (excluding engine) 500Kg Swivel head Spindle speed (three speed) 142,285,570rpm Spindle stroke 450mm Spindle pull-down max 15000N Spindle lifting capacity max 25000N Hoist Max lifting capacity        (one speed single rope) 10000N Circumference linear velocity of roller 0.42,0.81,1.68m/s Steel rope capacity  27m Steel rope diameter 9.3mm Water pump Type Horizontal reciprocating single-acting piston pump Bore 80mm Stroke 100mm Displacement(L/min) 100 matched with diesel engine(1800/min) 83 matched with motor:(1500r/min) Pressure 1.5Mpa  Max make and break allowable pressure 0.7Mpa Continuous Pressure Oil Pump Type gear pump Model YBC-12/125 Rated speed 1500r/min Rated pressure 8Mpa Max pressure 12.5Mpa Displacement 12L/min Power machine Diesel engine model ZS1100BN Rated speed 2200r/min Rated Power 8.8KW Weight 155kg Motor engine model Y132M-4-B3 Rated speed 1440r/min Rated Power 7.5KW