Model HWZ150LHWZ180LHWZ260LHWZ300LHWZ400LHWZ500LOverall weight (T)3.54.26.488.79.5Dimension (mm )3400*1500*24003800*1700*23504100*1900*26005500*1950*27805300*2050*27005350*2100*2700 Drilling diameter(mm )130-219130-294140-300140-325130-400140-400Drilling depth(m)150180260300400500One-time advance length of the drill(mm)3000300030003000/60003000/60003000/6000Traveling speed(km/h )2.52.52.52.566Climbing ability(max )253030302525Minimum Ground Clearance(mm)250250250230300350 Working Air Pressure(mpa )1.45 - 2.51.7-2.51.7-3.01.7-3.31.7-3.51.7-3.5Air consumption15 - 2715-2717-352317-3517-35Main machine power(kw)42 /Yunnei60/ Yunnei85/Yuchai92/Yuchai100/6 cylinder114/6 cylinderRotary Speed (rpm) 38 - 8048 - 7040-7055-11545-7545 - 75Rotary torque(Nm )4000-50004200-56007000-90008500-100009000-100009500-10000