install weight for 100 Ton mobile crane 

#Mobile_cranes are #heavy_equipment #vehicles that have been designed to lift, lower and transport heavy loads. They are employed in the off-highway #industry to move freights beyond the normal capability of a man.
A #counterweight is a weight that, by exerting an opposite force, provides balance and stability of a #mechanical system. ... Counterweights are often used in traction lifts (elevators), #cranes and funfair rides.