Here is the diffuse and mask for the beast version. The mask works by only showing the rust where the mask is white. Everywhere else is new paint.

Here are some of the reference images i used

Wire frame render.

Final "beast" dirty version render

Final beauty shot of the vehicle in "showroom".

I have set up the lights now as the modeling is complete. A quick test render with colours

some updates of the model

After setting up some reference images i downloaded from a blueprint website i started some of the modeling

Beauty and the beast project

Here are some initial sketches of the construction vehicle that I would like to create.
Its a Hitachi EX45
Played with the perspective here as well.

Some drawings of Hatfield house

reference images used

Hatfield House

http://www.vimeo.com/4496136