YM-8 High Quality API 8C Hydraulic Rotary Cathead for Oilfield Well Drilling Description: The YM hydraulic cathead is suitable to make up and break out by companying with Suspension Tong. Operation is stable and pull may be adjusted whenever necessary. It has its series with four specifications of 5t, 8t, 10t, 16t by pull to select. It is designed and manufactured according to Specification for Drilling and Production Hoisting Equipment. The hydraulic cathead is used together