1991 National 556B 12.5 Ton Is Equipped With 55' 3 Section Boom, No Jib, Main Winch, 2 Speed, 12 Ton Single Sheave Hook Block, Rotation Resistant Wire Rope. Mounted Behind The Cab Of A 1990 Ford F600 Truck, FORD 6.6 LTS Engine, 55,579 Miles Showing As Of 3/11, Eaton Fuller Trans, 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. CRANE IS LOCATED IN BAJA MEXICO!