Series II VICON, CAT 3406DIT, Independent Boom, Swing, Hoist, Travel, 140 Ton Capacity, 170' No. 9A Boom, Single Upper Boom Point Sheave, (5) Lower Point Sheaves, 100 Ton Hook Block, 10 Ton Weight Ball, Third Drum, 20000lb Rating, 48" Track Pads, Current Certification.