I build tis model in the same scale that the official Volvo EW160E excavator.
I wanted a full IR controlled truck so this model features 8 motorized functions as propulsion, direction, crane's movements and stabilisator.
It also has a lot of funny manual functions as cab tilting, doors, flatbed lifting, etc...
I think this could be a good lego model for many reasons. It as a serious PFS inventory,it's really fun to play with it, it has good design and one original IR functionality; the crane arm extension.
This model is build easyly and use only currents building technics, as official sets.