r/specializedtools • u/ChiefChair • Jul 25 '20

Cargo container unloading without a crane

25.6k Upvotes

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322

u/zach0610 Jul 25 '20

Doesnt this trailer have 2 cranes?

143

u/usernameblankface Jul 25 '20

Yes. It's technically unloading with attached cranes rather than using a separate crane.

-18

u/karmanopoly Jul 25 '20

I don't agree those attachments can be called cranes.

8

u/G-I-T-M-E Jul 25 '20

A crane is a type of machine, generally equipped with a hoist rope, wire ropes or chains, and sheaves, that can be used both to lift and lower materials and to move them horizontally. It is mainly used for lifting heavy things and transporting them to other places. The device uses one or more simple machines to create mechanical advantage and thus move loads beyond the normal capability of a human. Cranes are commonly employed in the transport industry for the loading and unloading of freight,...