It's high detail model of steering clutch of T-34 tank. This model was designed in CAD (Solidworks) system and translated in other formats (attached: Solidworks in Parasolid, STEP, and Max as BodyObjects) . The model consists of 160 separated parts in 1:1 scale. Dimensions of model was taken from original drawings.
3d PDF for preview. You can view and interact 3d model.