JC30 API Standard Drilling Drawworks for Oilfield Petroleum Equipment Drawworks, also known as winch, is a light and small lifting equipment that uses a drum to wind a steel wire rope or chain to lift or tow heavy objects. Winches can lift, level, or tilt heavy objects vertically. Winches are divided into three types: manual hoists, electric hoists, and hydraulic hoists. Mainly using electric winches. It can be used alone or as a component of machinery such as lifting, road