Rough Terrain Crane. 1987 Grove model RT 58B with 848 hours. The engine is a 9 liter turbocharged 6BT5 with 130 horse power. The transmission is a remote mounted power shift with 6 forward gears and 6 reverse gears with a maximum forward speed of 23.7 mph. Operating weight of the crane is 43’345 pounds. The boom of the crane has 3 sections. It has a minimum height @ max raise angle of 30 feet and a maximum height @ max raise angle of 66 feet – no jib. Maximum lift capacity for the Grove RT 58B rough terrain crane is 30’000 pounds and the swing speed is 2.9 rpm. The minimum operating radius is 12 feet with a maximum operating radius of 55 feet and a maximum elevating angle of 75 degrees. Regarding transportation, the cranes length is 30.42 feet long with a width of 8 feet and a height of 10′ feet 5″ inches. With outriggers extended the crane is 15.92 feet wide.