Check out Combine Harvesters 4 in 1 3D Model Pack 3D model on CGTrader for $299. High-quality mesh by markos3d.
STL (Stereolithography, filesize: 541 MB), OBJ (OBJ, filesize: 600 MB), 3DS (3D Studio, filesize: 220 MB), C4D (Cinema 4D, filesize: 297 MB), MA (Autodesk Maya, filesize: 326 MB), MAX (Autodesk 3ds Max, filesize: 214 MB), FBX (Autodesk FBX, filesize: 397 MB), LWO (Lightwave, filesize: 804 MB), HRC (Autodesk Softimage, filesize: 370 MB)