fromwinch electric clutch winch is the most common winch. Rely on the vehicle's own power system to drive the winch, advantages: in the case of vehicle fire dead normal use, is unmatched by the other fromwinch double motor winch, especially for water and more areas have great advantages, simple installation can be multi-location installation and rapid . Disadvantages: can not maintain the use of a long time (the vehicle's own power system limitations, its easy to heat and other reasons), most fromwinch electric towing winch can provide a smaller driving force, can only exert force in one direction (installed in front of the vehicle only to the Front pull, installed in the rear can only pull back).