Horizontal Pallet Stacking Machine 3D model is available on CGTrader for $46. Original author: machinexdesigns.
SLDPRT (SolidWorks, filesize: 25.9 MB), STP (STEP, filesize: 6.94 MB), OTHER (Other, filesize: 11.4 MB), X_T (Parasolid, filesize: 19.4 MB), STL (Stereolithography, filesize: 15.3 MB), IGE (IGES, filesize: 10.2 MB)