Integrated bogie frame and tank device comprising a bogie frame (110) and a tank (120), wherein the bogie frame (110) comprises a plurality of wheels (112, 113) and a support structure (130) for supporting the plurality of wheels, and wherein the tank (120...

The tank has a body (1) comprising a set of sections (2-5), where the sections are assembled together by welding. The set of sections covers a composite material skin that comprises filament winding. The composite material skin is covered with light foam m...