Looking for Airport Tug? Get this 3D model from ecati via CGTrader for $18. Technical specs: 13414 polygons, 19136 vertices.
SKP (Sketchup, filesize: 1.42 MB), OBJ (OBJ, filesize: 893 KB), FBX (Autodesk FBX, filesize: 1.15 MB), 3DS (3D Studio, filesize: 660 KB), DAE (Collada, filesize: 480 KB)