This free "Marine diesel generator 3D model purchase" 3D asset is currently listed under the authorship of "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 106 MB), OBJ (OBJ, filesize: 458 MB), FBX (Autodesk FBX, filesize: 87.4 MB), BIP (KeyShot, filesize: 156 MB)