A mobile crane was a type of mobile construction machinery used both for lifting and moving loads and clearing rubble. Mobile cranes were used to clear the debris and load it for transporting. Technically, it was a downsized stationary construction crane

Heavy Construction Crane Ground Vehicle Construction Vehicles (non-combat)

mounted on a upscaled heavy treaded forklift

Forklift-Dozer Ground Vehicle Construction Vehicles (non-combat)

. Its payload capacity was lower than the immobile version, and its use as a bulldozer was also limited due to its lesser stability - and it was more expensive than the sum of its parts. Because of this, mobile cranes were a rather rare equipment, used only for a very limited types of operations, in particular, to clean up the debris in the spaceship graveyard region on the planet Hoth

Hoth Planet

, where the installation of stationary cranes was more difficult and expensive than using mobile versions.