28000 - PUMP DRIVE 233 Gear and Bearing Group - Double Pump 6" Gear Center Parts group 233 Gear and Bearing Group - Double Pump 6" Gear Center 233 Gear and Bearing Group - Double Pump 6" Gear Center . YZ102161 Gear and Bearing Group, .954:1 Ratio YZ102164 Gear and Bearing Group, 1.048:1 Ratio YZ102165 Gear and Bearing Group, 1.270:1 Ratio YZ102166 Gear and Bearing Group, 1.400:1 Ratio YZ102167 Gear and Bearing Group, .867:1 Ratio YZ102168 Gear and Bearing Group, 1.153:1 Ratio YZ102169 Gear and Bearing Group, 1:1 Ratio YZ102171 Gear and Bearing Group, .909:1 Ratio YZ102172 Gear and Bearing Group, 1.545:1 Ratio YZ102173 Gear and Bearing Group, .647:1 Ratio YZ102170 Gear and Bearing Group, 1.100:1 Ratio YZ40281595 Gear and Bearing Group, .826:1 Ratio YZ280250 Gear and Bearing Group, .826:1 Ratio