NLB-600 universal power wrench can quickly and easily tightens and loosens all wrenched joints along the track. Accurately controlled and stable. This machine uses gasoline engine as power, the output shaft is single -head, single-speed, forward and reverse adjustable, output torque can be manually adjusted and accurately displayed, the whole machine is easy to operate, safe and reliable, and convenient to go up and down, and can be equipped with lighting lamps for supply Lighting at the sleeve head during night work. Petrol engine output power 4.8 kW/3600rpm Output shaft speed 130 rpm Torque 20-450 N.m ( stepless adjustment) 600 N.m ( instantaneous ) Size 1775x525x690 mm Weight Machine 88 kg Wrench support rod 4 kg Socket specifcation Suitable for hexagon nuts of M22, M24, M27, M30 Average noise emission 85 dB(A)