This is a belt driven York air compressor, commonly repurposed to become an engine driven air compressor. This specific one has an upgraded clutch for use with an 8 rib serpentine belt. The raw scan does have a few holes in it, but it has all of the essential dimensions accurately measured
Raw Scan Formats: 2019.sldprt, .stl, .iges (138mb)
Note: Within the .sldprt mesh, the file has been aligned to a useful origin and has essential plane/cylinder references for easy file manipulation