9302C-HM4C Hypro Hydraulic Centrifugal PumpSuited for smaller sprayers and turf units, the HM4C only requires 6 8gpm hydraulic flow and a maximum output of 72 gpm Hydraulic motor drive: For open center, closed center, and load sensing systems Port sizes: 1. 25 inch NPT inlet, 1 inch NPT outlet Hydraulic ports: 0. 5 inch NPT inlet, 0. 75 inch NPT outlet HM Series Max. fluid temperature: 140F 60C Impeller: Cast Iron models Nylon Motor: internal gear gerotor Pump seals: Cast Iron models Viton