Check out Jet Mud Mixer Low-poly 3D model on CGTrader for $18. High-quality Polygon mesh mesh by JAN1LAB: 53185 polys, 43691 vertices.
C4D (Cinema 4D, filesize: 2.11 MB), OBJ (OBJ, filesize: 2.94 MB), FBX (Autodesk FBX, filesize: 1.23 MB), 3DS (3D Studio, filesize: 1.22 MB), STL (Stereolithography, filesize: 2.16 MB), DAE (Collada, filesize: 2.59 MB)