I would like to talk about very useful Cargo Cranes to lift up stuffs. Even if you say “crane” in a word, there are various kinds of specifications and makers. I will explain the difference of cranes.

Characteristics of Cranes
Cranes make your work much easier. The main rod of the loader crane is called "boom", and it is extendable according to the situations. Extendable length differs by the number of sections. The one which extends up to 4 sections is the most popular, and it is said that you can be active in many fields.

And the crane load, also called hanging tonnage, is mainly 2.63 tons to 2.93 tons.
The reason why the tonnage is such odd numbers is that the regulation of "cranes etc. safety regulations" becomes strict if the hanging tonnage exceeds 3 tons, and there are few sites hanging loads of 3 tons or more in Japan. So the capacity of loader cranes are odd like 2.63 to 2.93 tonnages in most of the cases.

Also crane usually has long leg named “outrigger” which sticks out from both side of the truck and stand to the ground so that tires will not be burden and stabilize the car body by floating the tire.

If there is no outrigger, all the weight hung up will be burdened to tires. There is also the possibility of being punctured. Also, it is very dangerous because the car body may collapse without being able to withstand the weight of the load. Outrigger plays a very important role to avoid those incidents.

Next, I will explain about the types of cargo cranes. cargo crane which is applied to trucks are classified into three types and each has different structures; Crane with outrigger, Mini Crane, and High Jack Crane.

Crane with outrigger
The most common type of crane is the one with outrigger installed between the cabin and the carrier as the one in the picture below.

Mini Crane
Cranes which sometimes on the truck body are called "Mini cranes". It is small and the number of boom sections is 2 to 3, and the capacity of hanging tons is about 0.8 to 2.6 tons. Some people have an impression of "easy to use at a hedge" for this mini crane, but actually, it can fully play an active role in the narrow field of urban areas.

High Jack Crane
Cranes with long high outriggers and car body diagonally are called "high jack". The loading and unloading of the cargos become smooth with this high jack. Also, it will be usable even in areas with steps because it can keep balanced by the function of the high outrigger. High outrigger is also a popular as it can load heavy machinery easily.

In this way there are various types of crane trucks. If you are interested in, please do not hesitate to contact us!

Crane & Self Loader : http://yamada-co.jp/en/stock/?search-body=4

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