A construction crane was a type of immobile construction machinery used both to lift and lower materials and to move them horizontally. It is mainly used for lifting heavy objects and transporting them to other places. Heavy cranes were commonly employed in transportation for the loading and unloading of freight, in construction for the movement of materials, and in manufacturing for the assembling of heavy equipment.
In rare cases where operations called for mobility, a smaller version

Mobile Crane Ground Vehicle Construction Vehicles

of the crane could be mounted on a compatible chassis, such as of a heavy fork-lift dozers

Forklift-Dozer Ground Vehicle Construction Vehicles

.