1991 National 556B 12.5 Ton CB&J#63, 55' 3 Section Boom, No Jib, Main Winch, 2 Speed, 12 Ton Single Sheave Hook Block, New Wire Rope 6 x 19 9/16, Rotation Resistant Wire Rope. Mounted Behind The Cab Of A 1990 Ford F600 Truck, FORD 7.8 Engine, 55,579 Miles Showing As Of 3/11, Spicer Stick Shift Transmission, Optional Dual Differential Hydraulic Brakes,11R X 22.5 Front And Rear Tires 40 % Left. Mechanical Condition: The seller reports the crane is certified annually and has a steel bed. LOCATED IN MEXICO! www.cranesboomandjib.com LLC