Low Poly Bus Rig. Front tires seperate bones for turning, back tires one bone for a pair.
STL (Stereolithography, filesize: 137 KB), OBJ (OBJ, filesize: 111 KB), 3DS (3D Studio, filesize: 45.7 KB), BLEND (Blender, filesize: 859 KB), FBX (Autodesk FBX, filesize: 359 KB)