John Deere x125 Lawnmover (Polygon mesh 3D model) is available on CGTrader for $128. Original author: squir. Specs: 500000 polys, 500000 verts.
MAX (Autodesk 3ds Max, filesize: 45.6 MB), OBJ (OBJ, filesize: 44.8 MB), FBX (Autodesk FBX, filesize: 23.6 MB), 3DS (3D Studio, filesize: 12.2 MB), LWO (Lightwave, filesize: 14 MB)