Description: Parameter Max. drilling diameter: Ø 1200 Max. drilling depth: 24 Allowable luffing scope (from center of drill rod to slewing center): 3065～3465 Drilling rig dimension in working condition (L × W × H): 6490×3400×12450 Drilling rig dimension in transport condition (L × W × H): 11208×2500×3500 Weight of overall unit (standard configuration, excluding drillingtool): 29±0.5 Engine: Model: CUMMINS QSB4.5 Rated power/speed: 115 /2000r/min Emission certification: EPA T4F/EU stage Ⅴ Hydraulicsystem: Max. Pressure of Main pump: 34 Max. Pressure of Auxiliary pump: 28 Rotary drive: Max. torque: 80 Working Speed / Spin-off Speed: 9～42 / 102 Crowd cylinder Standard: Max. Pushing force: 100 Max. Pulling force: 100 stroke: 3000 Crowd winchOptional: Max. Pushing force: 100 Max. Pulling force: 100 stroke: 7500 Main winch: Lifting force: 80 Max. single-rope speed: 76 Diameter of the steel wire rope: 20 Auxiliary winch: Lifting force: 50 Max. single-rope speed: 60 Diameter of the steel wire rope: 16 Left/right/front/back inclination of mast: 5 / 5 / 5 / 15 Rotary table slewing angle: 360 Undercarriage: Max. traveling speed of the overall unit: 2.5 Max. climbable gradient of the overall unit: 40 Width of crawler plate: 600 External width of crawler (min.-max.): 2500 - 3400 Center distance between two longitudinal wheelsof crawler: 4020 Average ground pressure: 69