Choose from the Original Series or the G2 Dual Drive. The Original Series liftgates fit most of today's popular models of service or utility truck bodies and have a lifting capacity of 1000, 1300 and 1600 pounds. The G2 is a heavy-duty dual cylinder design liftgate which fits most serviceĀ and utility body applications and the lifting capacity is 1,300 and 1,600 pounds.