Machines industry 3D 3D model is available on CGTrader for $65. Original author: juancaratino. Specs: 344000 polys, 215000 verts.
OBJ (OBJ, filesize: 27.9 MB), MAX (Autodesk 3ds Max, filesize: 16.2 MB), PNG (PNG, filesize: 5.9 MB), JPG (JPG, filesize: 5.9 MB), FBX (Autodesk FBX, filesize: 18.9 MB)