Check out NH - CR 9070 Combine Harvester 3D model on CGTrader for $129. High-quality Polygon mesh mesh by markos3d: 6570749 polys, 3342065 vertices.
STL (Stereolithography, filesize: 97.8 MB), OBJ (OBJ, filesize: 70.7 MB), MAX (Autodesk 3ds Max, filesize: 20.1 MB), HRC (Autodesk Softimage, filesize: 86.3 MB), 3DS (3D Studio, filesize: 23.6 MB), FBX (Autodesk FBX, filesize: 61.1 MB), C4D (Cinema 4D, filesize: 48.3 MB), LWO (Lightwave, filesize: 103 MB), MA (Autodesk Maya, filesize: 57.5 MB)