Information on the crane. 1989 Grove RT528C Crane, S/N 72275, 28 Ton Capacity, Hours 4,109. 80 Ft. Boom, 3 sheave 28 Ton Hook Block, Single Hoist, 20.5X25 Tires at 60 percent, Cummins Diesel 6BT5.9L Engine, 6 Speed Transmission, Enclose Cab, 4 Wheel Drive, 4 Wheel Steering. PAT-LMI System, Shop Manuals, Good Condition With Current Inspection