As I am a big fan of Quattro & Co., I allways wanted to upgrade my models with AWD.
For christmas my wife gave me the 8258 Crane Truck and - as most of you - I think that this was a milestone in the Lego Technic Flagship era.
So after finishing it I immediatly started to think about the possibilities of upgrading this excellent set with 8x8 and other improvements.
Here you can see now my progress so far:
Added double wheels in the back
added second driven axle in the back (as developed by BS-user arachnid)
added most of the improvements of Designer-Han
added opening doors
added (first?) center differential
added the first driven front axle
See here the first impressions of my changes.
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In the moment I think about adding a second center diff between the two front axles, but I am not quite sure, if that is neccessary for the playablity (torsion in the drive train and thus rubbing tires). I will test that.
Updates will be posted here soon.