Check out Automatic Spring Distribution and Assembly Swinging Machine 3D model on CGTrader for $129. High-quality Polygon mesh mesh by Lovano: 2281582 polys, 6844746 vertices.
SLDPRT (SolidWorks, filesize: 111 MB), OBJ (OBJ, filesize: 159 MB), BIP (KeyShot, filesize: 399 MB), IGE (IGES, filesize: 215 MB), STL (Stereolithography, filesize: 109 MB)