Alamo. Empire, Rock Island2 1/2 hp 4 rings. Galloway type AC with Webster mag 2 1/4 hp 3 rings. Hercules/Economy 4 hp 4 rings. Mccormic Deering IHC type M 3 hp 3 rings. Mogul IHC 2 1/2 hp 3 rings This list is for reference purposes only and may have errors. We do our best.