Produced by Demag, the Terex AC 100/4 (Tadano) is a 120-ton (100 metric) lifting capacity mobile crane with a lift capacity of a main telescopic boom reaching 39' - 164' (11.9 - 50 m).

The AC 100/4 was rated as the highest lift capacity of any 4-axle crane with maximum counterweight while remaining inside the 26, 500-axle load limit. This 4-axle AT crane has an 8 x 6 x 8 frame carrier with axles 1, 2, and 4 driven and equipped with a selectable transverse lock and dual system hydro-servocom steering along with six different steering programs to navigate into tight spaces. 

The lower carrier has an eight-cylinder MTU 462 HP engine, with a ZF AS-Tronic 14-speed transmission with 12 forward speeds and 2 reverse with expandable counterweight ballast to 54, 700 pounds.