City Cranes
A small 2-axle mobile crane, referred to as a City crane is designed to be utilized within compact areas where the standard cranes are unable to venture. City cranes are utilized to work inside buildings or to travel through gates. In the 1990s, City cranes were developed as a solution to the increasing urban density within the country of Japan. Lots of cities in the country began building and cramming more structures near each other and it became necessary to have a crane that can navigate through the tiny areas of Japanese streets.
Basically, the city crane is a small rough terrain crane. This crane is made to be road legal and is characterized by a short chassis, a single cab, independent axle steering, and the 2-axle design. Additionally, these equipments offered a slanted retractable boom. This kind of retractable boom takes up much less space compared to a horizontal boom of comparable size would.
Regular Truck Crane
A mobile crane which has a lattice boom is a typical truck crane boom. This model is lighter than the boom on a hydraulic truck crane. There are multiple boom parts which 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 down and up, as it is not able to lower and raise with hydraulic power.
Kangaroo Crane
A jumping crane or a kangaroo crane is a articulated-jib slewing crane that is made with an integrated bunker. These cranes were first developed in Australia. They are often used in high-rise construction projects. Kangaroo cranes are unique within the industry in the way that they are capable of raising themselves while the building they are working on increases in height. These specific cranes are anchored by a long leg. This leg runs down an elevator shaft of the building they are constructing.