Freight Wagon Chassis (Underframe) Structural Design

Full structural design and fabrication-ready drawing package for a 4-axle tank-wagon chassis/underframe, from concept through issued-for-fabrication (IFF) drawings. Design only — no prototype build, no homologation/type-approval execution (may be scoped separately)... (Budget: $1500 - $3000 USD, Jobs: AutoCAD, Bill of Materials (BOM) Analysis, CAD / SolidWorks, CAD/CAM, Engineering Drawing, FEA / Structural Analysis, Mechanical Engineering, Prototype Design, Safety Consulting, Welding)