City Cranes
A small 2-axle mobile crane, known as a City crane is designed to be utilized in compact spaces where the regular cranes could not venture. City cranes are used to work within buildings or to travel through gates. In the 1990s, City cranes were developed as an answer to the growing urban density within Japan. Many cities within the nation began cramming and building more structures near each other and it became necessary to have a crane that was capable of navigating 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, the 2-axle design and independent steering on each axle. Additionally, these machinery offered a slanted retractable boom. This kind of retractable boom takes up much less space than a horizontal boom of the same size would.
Typical Truck Crane
A mobile crane that has a lattice boom is a regular truck crane boom. This model is lighter compared to the hydraulic truck crane boom. There are many boom parts which could be added to enable the crane to reach over and up an obstacle. A regular truck crane requires separate power in order to move up and down, since it is not able to lower and raise using 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 within Australia. They are normally used in high-rise construction projects. Kangaroo cranes are different 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 the building's elevator shaft.