Highly detailed 3D-printable tanker semi trailer designed for HO (1:87) railroad layouts and dioramas. The model includes realistic underframe detail, dual-axle bogies, top access hatches, walkway and ladder, coupling/mounting points, and underbody piping. Files are organized for easy printing and assembly with separate parts for chassis, tank, and ladders. Ideal as a display piece, rolling stock accessory, or scenic prop for industrial and transport scenes.