Small and medium-sized self-propelled Fromwinch tungsten4x4 winch machine is basically in the small and medium-sized agricultural or forest tractor on the basis of the development of the tractor is usually installed behind the dismantling winch machine, the power from the tractor's power output shaft transmission; Simple, easy disassembly, installed after the cable can be set for the power of the material, remove the tractor can still be used alone, so wide adaptability, the use of general, in several countries in Europe and Japan have a lot. This detachable winch is used in Europe, and most of the winch machine is mounted on a wheeled tractor and is installed in a three-point connection. Winch assembly itself has a single tube, double tube, four simple and other forms. Can carry out the ground case, can also be semi-suspended material or overhead cable collection material.