Drill pipe tong ZQ203/125: Pipe size range of master tong:3 1/2""-8"" drill pipe; High gear rated torque: 10000N. M (7370ft /lbs) ; Low gear rated torque: 125000N. M (92190ft /lbs); High gear rated speed: 33r/min ; Low gear rated speed: 2.2r/min ; Rated operation pressure: 18Mpa(2610Psi), Max.Flow: 120L/min (32gpm); Pneumatic operation pressure: 0.6-1.0Mpa(72.5-130.5psi); Dimension: 1750X1060X1680mm(70.9'' X 43.3'' X 57'') ; Weight: 2500KG (5512lbs)