Mining Excavator Komatsu PC800 3D model is available on CGTrader for $128. Original author: ArqArt3D. Specs: 334000 polys, 165000 verts.
LWO (Lightwave, filesize: 4.16 MB), OBJ (OBJ, filesize: 6.12 MB), FBX (Autodesk FBX, filesize: 8.81 MB), MAX (Autodesk 3ds Max, filesize: 7.29 MB), JPG (JPG, filesize: 26.4 MB)