Besides providing a 4.9 in / 124 mm lift in true ground clearance, the portal wheel ends were built with the following targets: 6,000 lb / 2,700 kg vehicle weight with 5g loading (5 times normal axle loading - 1g static + 4g dynamic), 500 lb·ft / 680 N·m engine torque, speeds from crawl to 80 mph / 130 kph in 60% grades, wheels with 7 in