Fit for Hydro-Gear HGM-12P-7172 Hydraulic Wheel Motor Replaces 32410004 Mower. The hydraulic wheel motor is used as an actuator in hydraulic systems. They mainly convert hydraulic energy or other forms of energy such as electrical energy into mechanical energy, thereby driving wheels or related mechanical parts to rotate and drive loads to work. Replaces OEM#? For Hydro Gear: HGM-12P-7172. Ferris: 23091, 5023091, 5023091SM. Replaces OEM#? For Great Dane: TCA15078. Snapper: 5023091, 5023011, 7046255. Compatibility? This heavy-duty Wheel Motor is engineered as a precise, drop-in replacement for For Gravely Compact Pro (34 Deck), John Deere Quick Trac 600M Series, Wright Stander I, Wright Velke, Wright Sport RH. Rated Flow: 15.32gal/min. Rated Pressure: 12.5MPa. Maximum Working Differential Pressure: 12.5MPa.