City Cranes
A small 2-axle mobile crane, known as a City crane is designed to be used in tight spaces where the standard cranes are unable to venture. City cranes are utilized to work in buildings or to travel through gates. During the 1990s, City cranes were developed as an answer to the increasing urban density within Japan. Numerous cities in Japan started cramming and building more structures near each other and it became necessary to have a crane which can navigate through the tiny roads in Japan.
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 machines provided a slanted retractable boom. This style of retractable boom takes up a lot less space than a horizontal boom of similar size would.
Typical Truck Crane
Mobile cranes with a lattice boom are considered conventional truck crane booms. This unit has a lighter boom on a hydraulic truck crane. There are multiple boom parts that are able to be added to allow the crane to reach up and over an obstacle. A regular truck crane needs separate power to be able to move down and up, because it could not lower and raise using hydraulic power.
Kangaroo Crane
A jumping crane or a kangaroo crane is a articulated-jib slewing crane which is designed with an integrated bunker. These cranes were first developed within Australia. They are often utilized in high-rise construction projects. Kangaroo cranes are unique in 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 by a long leg. This leg runs down an elevator shaft of the building they are constructing.