Click on the link to see the actual part picture. The main casting parts and leg braces are Only interchangeable with VERSION 2 models. The upper leg assembly has variants where the axle bolts are hidden: these parts are not interchangeable between models. Center Column crank is Only Compatible with the Version 2 model.
This Version has one leg extension, other Versions may have two. 3036 ver 4 and 3236 ver 4 can use parts interchangably. 3236 is the same tripod, Only with black leg tubes.