Check out 40ft Shipping Container CSAV v1 3D model on CGTrader for $29. High-quality Polygon mesh mesh by dragosburian: 58384 polys, 60058 vertices. Textured, UV Mapped.
BLEND (Blender, filesize: 17.6 MB), OBJ (OBJ, filesize: 7.88 MB), FBX (Autodesk FBX, filesize: 9.47 MB), STL (Stereolithography, filesize: 4.29 MB), DAE (Collada, filesize: 8.59 MB)