Automatic Hardware Cleaning and Conveying Machine (Polygon mesh 3D model) is available on CGTrader for $129. Original author: Lovano. Specs: 1802638 polys, 5407914 verts.
STL (Stereolithography, filesize: 86 MB), OBJ (OBJ, filesize: 136 MB), IGE (IGES, filesize: 104 MB), BIP (KeyShot, filesize: 409 MB)