An electric winch is a powerful recovery tool

An electric winch is a powerful recovery tool. Used correctly, it provides massive amounts of power to pull out your ATV or truck. With the right tools and rigging, you can pull up to two or even three times the maximum rating of your winch. The key to maximum power is knowing how to use your recovery equipment to its full potential. With these recovery tips, you'll be winching your way out of even the toughest spots just like the pros.
double motor winch use two drums that require a "loop" of cable. Cable is continuously spooled in and out on the drum system. Because it does not accumulate on a drum you have an unlimited lifting or pulling distance. Also, the maximum force of the winch is available for the entire length of lift or pull. The drawback to using a double drum winch is that it requires at least one return pulley to complete the loop.