Check out JCB EXCAVATOR LOWPOLY Low-poly 3D model on CGTrader for $28. High-quality mesh by KG-DESIGN: 11496 polys, 12041 vertices.
OBJ (OBJ, filesize: 2.79 MB), BLEND (Blender, filesize: 5.56 MB), DAE (Collada, filesize: 3.35 MB), FBX (Autodesk FBX, filesize: 625 KB), MA (Autodesk Maya, filesize: 1.5 MB)