Check out world of tank obj 263 Low-poly 3D model on CGTrader for $13. High-quality mesh by nabil-ali: 1089018 polys, 563234 vertices. Textured.
STL (Stereolithography, filesize: 147 MB), OBJ (OBJ, filesize: 147 MB), PNG (PNG, filesize: 10.3 MB), JPG (JPG, filesize: 11.3 MB), BLEND (Blender, filesize: 147 MB), FBX (Autodesk FBX, filesize: 147 MB)