$2 Industrial Tank 1 Low-poly 3D model by 32cm. Available on CGTrader with 6000 polys and 5000 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 806 KB), 3DS (3D Studio, filesize: 259 KB), FBX (Autodesk FBX, filesize: 412 KB), TEXTURES (Textures, filesize: 45.6 MB), GLTF (glTF, filesize: 32.8 MB)