Detailed 3D model of the WW2 German Skoda RSO heavy military tractor.
Model created in 3ds Max 2013 and converted in multiple formats. All formats include materials and texture maps. The Max format uses mental ray materials and render. There's no need for a third party plugin or anything else, just drop your model in the scene and hit render.
Accurate scaled model, units cm.
Model centered at 0, 0, 0 axis coordinate points.
Main objects correctly grouped and named accordingly.

Main textures (PBR):
backbed base color 4096 x 4096px
backbed roughness 4096 x 4096px
cabin base color 4096 x 4096px
cabin roughness 4096 x 4096px
wheels base color 2048 x 2048px
wheels roughness 2048 x 2048px