Click on the link to see the actual part picture. The main casting parts and leg braces are Only interchangeable with earlier VERSIONs. 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 he same tripod, Only with black leg tubes.