This all-purpose mechanical trailer jack lets you easily work on vehicles with a high suspension. Changing a tire on 4 x 4s, off-road vehicles, or farm equipment is a breeze with this trailer jack. Also works great for jacking a broken fence post or tree stump out of the ground. Comes fully assembled. Max. rated load capacity: 4660 lbs. at 48". Clamping capacity: 750 lbs. Winching capacity: 5000 lbs.