Check out CFR Sliding Tarp Rail Car v3 3D model on CGTrader for $79. High-quality mesh by dragosburian: 279799 polys, 499997 vertices. Textured, UV Mapped.
BLEND (Blender, filesize: 269 MB), OBJ (OBJ, filesize: 140 MB), FBX (Autodesk FBX, filesize: 145 MB), DAE (Collada, filesize: 152 MB), TEXTURES (Textures, filesize: 145 MB), PNG (PNG, filesize: 145 MB), STL (Stereolithography, filesize: 9.14 MB)