City Cranes
The city crane is a small 2-axle mobile crane that is designed to be utilized in compact spaces where other cranes could not go. The city crane could work in between buildings and can travel through gates. During the 1990s, City cranes were developed as a solution to the growing city density within Japan. Numerous cities within Japan began cramming and building more structures near each other and it became necessary to have a crane that was capable of navigating through the small streets in Japan.
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, independent steering on each axle, and a 2-axle design. Moreover, these kinds of machinery provided a retractable slanted boom. This type of retractable boom takes up much less space compared to a horizontal boom of comparable size would.
Conventional Truck Crane
A mobile crane which has a lattice boom is a regular truck crane boom. This model is lighter than the hydraulic truck crane boom. There are many boom parts that could be added to allow the crane to reach up and over an obstacle. A typical truck crane needs separate power in order to move up and down, because it is not able to lower and raise using hydraulic power.
Kangaroo Crane
A kangaroo crane or jumping crane is a articulated-jib slewing crane that is designed with an integrated bunker. These cranes were first developed in Australia. They are often utilized in high-rise construction projects. Kangaroo cranes are different within the industry in the way that they could raise themselves as the building they are working on increases in height. These particular cranes are anchored utilizing a long leg. This leg runs down the building's elevator shaft.