200T Variable Frequency Drive Top Drive for Land Drilling Rigs Specifications: 1 Nominal Drilling Depth Range 2000 m 2 Drive Mode Direct‑driven by AC variable‑frequency motor 3 Rated Load (Elevator, Main Shaft) 1800 KN 4 Rated Continuous Output Torque 30 KN·m 5 Maximum Make‑and‑Break Torque 45 KN·m 6 Brake Braking Torque 30 KN·m 7 Main Shaft Rotation Speed (Stepless Adjustable) 0~180 r/min 8 Back Tong Drill Pipe Clamping Range 2 7/8"~4 1/2" 9 Hydraulic System Working Pressure