$149 Massey Ferguson 300 combine 3D model by Polygun. Available on CGTrader with 105082 polys and 101436 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 24.9 MB), FBX (Autodesk FBX, filesize: 11.7 MB), ABC (Alembic, filesize: 9.8 MB), MA (Autodesk Maya, filesize: 12.2 MB)