The LiftGator removable liftgate from Superior Solutions Mfg. attaches to the hitch receiver of a truck. Powered by the 12-volt truck battery and 3.9 hp motor, the folding, 48-inch aluminum gate can be installed by one person in about three minutes. Capable of lifting 1,000 pounds, the wheeled, freestanding gate can be rolled into place for easy installation. 805/448-7183; www.liftgator.com.