City Cranes
The city crane is a small 2-axle mobile crane that is designed to be utilized in compact spaces where other cranes are not able to 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 increasing city density in the nation of Japan. Numerous cities within the country started building and cramming more structures near each other and it became necessary to have a crane that can navigate through the small spaces of Japanese roads.
Essentially, the city crane is a small rough terrain crane. This crane is designed to be road legal and is characterized by a single cab, a short chassis, independent axle steering, and the 2-axle design. In addition, these types of equipments offered a slanted retractable boom. This kind of retractable boom takes up a lot less space compared to a horizontal boom of similar size would.
Typical Truck Crane
Mobile cranes with a lattice boom are considered regular truck crane booms. This unit has a lighter hydraulic truck crane boom. There are multiple boom parts that are able to be added to allow the crane to reach over and up an obstacle. A conventional truck crane requires separate power to be able to move up and down, because it could not raise and lower using hydraulic power.
Kangaroo Crane
A jumping crane is a different name for a kangaroo crane. This unit is an articulated-jib slewing crane with an integrated bunker. These cranes originated within Australia. They are often used 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 specific cranes are anchored using a long leg. This leg runs down an elevator shaft of the building they are constructing.