There ara 13 different positions in this package. There is .stl, .obj, .mtl, .max, .fbx file for every positions. This excavator was drawn in solidworks.You should watch the youtube video for the view of the positions.You can easy download and use ıt ın your projects. Good work.
https://www.youtube.com/watch?v=u2pnS6bW8C8
STL (Stereolithography, filesize: 164 MB), OBJ (OBJ, filesize: 880 MB), MAX (Autodesk 3ds Max, filesize: 678 MB), FBX (Autodesk FBX, filesize: 245 MB)