City Cranes
The city crane is a small 2-axle mobile crane which is designed for use in compact areas where other cranes are not able to go. The city crane could work in between buildings and could travel through gates. During the 1990s, City cranes were developed as an answer to the increasing city density within the country of Japan. Lots of cities in Japan began cramming and building more structures in close proximity and it became necessary to have a crane which can navigate through the small spaces of Japanese roads.
City cranes are essentially small rough terrain cranes. They are made to be road legal and are characterized by a single cab, a short chassis, a 2-axle design and independent steering on each axle. Furthermore, these machines provided a retractable slanted boom. This style of retractable boom takes up a lot less space compared to a horizontal boom of the same size would.
Conventional Truck Crane
A mobile crane which has a lattice boom is a conventional truck crane boom. This unit is lighter than the boom on a hydraulic truck crane. There are many boom parts that are able to be added to allow the crane to reach over and up an obstacle. A regular truck crane needs separate power in order to move up and down, as it is not able to lower and raise with hydraulic power.
Kangaroo Crane
A kangaroo crane or jumping crane is a articulated-jib slewing crane that is made with an integrated bunker. These cranes were first developed in Australia. They are normally utilized in high-rise construction projects. Kangaroo cranes are different within the industry in the way that they are capable of raising themselves as the building they are working on increases in height. These particular cranes are anchored using a long leg. This leg runs down an elevator shaft of the building they are constructing.