Flying truck Low-poly 3D model is available on CGTrader for $30. Original author: unry. Specs: 27551 polys, 28763 verts.
MAX (Autodesk 3ds Max, filesize: 351 MB), FBX (Autodesk FBX, filesize: 125 MB), MAX (Autodesk 3ds Max, filesize: 351 MB), TBSCENE (Marmoset Toolbag, filesize: 125 MB)