Check out IDEAL - Combine Harvester - Small Grain Harvester Head 3D model on CGTrader for $139. High-quality Polygon mesh mesh by markos3d: 4158126 polys, 2122485 vertices.
STL (Stereolithography, filesize: 201 MB), OBJ (OBJ, filesize: 152 MB), 3DS (3D Studio, filesize: 60.9 MB), MAX (Autodesk 3ds Max, filesize: 68.8 MB), FBX (Autodesk FBX, filesize: 121 MB), HRC (Autodesk Softimage, filesize: 375 MB), BLEND (Blender, filesize: 256 MB), C4D (Cinema 4D, filesize: 119 MB), LWO (Lightwave, filesize: 257 MB), MA (Autodesk Maya, filesize: 69.3 MB)