Wheel Excavator Cat 315D 3D model is available on CGTrader for $128. Original author: ArqArt3D. Specs: 121000 polys, 101000 verts.
LWO (Lightwave, filesize: 3.3 MB), OBJ (OBJ, filesize: 4.46 MB), FBX (Autodesk FBX, filesize: 4.82 MB), MAX (Autodesk 3ds Max, filesize: 5.34 MB), JPG (JPG, filesize: 17.9 MB)