Mobile Crane Truck (1982)
Based on the first sets of technic LEGO, this mobile crane truck was build. The crane itself is a copy of the 855 set, although some modifications were necessary to provide that the boom could be lowered without hitting the drivers cabin.
The outriggers can be extended (left and right independent) by turning the small wheels at the back of the truck.

It's just a very simple model (755 parts), and is easy to make.

 

MLcad file:

            

 

Adobe PDF building instructions:
The building instructions are also available in the Adobe PDF document format.

   

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