City Cranes
A small 2-axle mobile crane, referred to as a City crane is designed to be utilized in compact areas where the standard cranes could not venture. City cranes are used to work in buildings or to travel through gates. During the 1990s, City cranes were developed as a solution to the growing urban density within Japan. Many cities in the country began building and cramming more structures near each other and it became necessary to have a crane which could navigate through the small areas of Japanese streets.
City cranes are essentially small rough terrain cranes. They are made to be road legal and are characterized by a short chassis, a single cab, independent steering on each axle, and a 2-axle design. Moreover, these kinds of equipments offered a slanted retractable boom. This kind of retractable boom takes up a lot less space compared to a horizontal boom of comparable size would.
Conventional Truck Crane
Mobile cranes with a lattice boom are considered typical truck crane booms. This unit has a lighter boom on a hydraulic truck crane. There are many boom sections that are able to be added to allow the crane to reach up and over an obstacle. A regular truck crane needs separate power in order to move up and down, because it is not able to raise and lower with hydraulic power.
Kangaroo Crane
A kangaroo crane or jumping crane is a articulated-jib slewing crane which is made with an integrated bunker. These cranes were first developed in Australia. They are often utilized in high-rise construction projects. Kangaroo cranes are different in the industry in the way that they are capable of raising themselves while the building they are working on increases in height. These particular cranes are anchored by a long leg. This leg runs down an elevator shaft of the building they are constructing.