The model of the machine is made in cinema 4D R19 2017. The parts of the machine are grouped together and there is another file format (c4d, fbx) that standard materials are used. You can open the file with a double mouse click.
C4D (Cinema 4D, filesize: 8.07 MB), FBX (Autodesk FBX, filesize: 4.7 MB)