The following 3D model is known as "Old Bulldozer Low-poly 3D model purchase" and is associated with author "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
STL (Stereolithography, filesize: 926 KB), OBJ (OBJ, filesize: 1.78 MB), 3DS (3D Studio, filesize: 902 KB), C4D (Cinema 4D, filesize: 983 KB), DAE (Collada, filesize: 962 KB), FBX (Autodesk FBX, filesize: 1000 KB)