1988 Ford ranger 2.3 5 speed ex cab... have had 950 pounds in the bed and 1800 in the trailer, had pallet rack peices that were about 12 feet long and 6 feet wide stacked on the rails of a 5x12 trailer about 6 feet tall. hauled junk riding mowers and appliances on a dual axle 16ft trailer, Got to the yard and they said man you must have a pretty stout V6 to handle that.. Just looked at them and said pretty good for a old 4 banger huh?