A Non Slewing Crane, also known as a pick up and carry crane, is a mobile crane that incorporates a boom or jib which can not be slewed. These cranes have a fixed base and include an articulated type mobile crane and / or a locomotive crane. A Slewing Crane is a mobile crane that incorporates a boom or jib which can be slewed. These cranes don’t have a fixed base and can rotate loads via a boom rotating mechanism.