peterbilt logo (Polygon mesh 3D model) is available on CGTrader for $15. Original author: 3dlogoman. Specs: 37652 polys, 37944 verts.
OBJ (OBJ, filesize: 1010 KB), LWO (Lightwave, filesize: 546 KB), FBX (Autodesk FBX, filesize: 1.3 MB), MA (Autodesk Maya, filesize: 867 KB), C4D (Cinema 4D, filesize: 546 KB), HRC (Autodesk Softimage, filesize: 1.39 MB), 3DS (3D Studio, filesize: 511 KB)