644G - LOADER, FOUR-WHEEL DRIVE 3160 Loader Hydraulics Hydraulic Pump For full view, you need register Parts on group Hydraulic Pump: Pos. Part No Qty Parts name Comments 1. AT139444 [1] Pump (CLOSED CENTER) 2. 19H2676 [2] Cap Screw 3/8" X 1" 3. R69536 [2] Washer 4. T102246 [1] Packing 5. AT149945 [1] Hydraulic Pump (OPEN CENTER) 6. 19M7791 [4] Bolt M12 X 40 7. T212861 [1] Gasket (SUB FOR T63085)