310E - BACKHOE, LOADER 2160 HYDRAULIC SYSTEM Main Hydraulic Pump For full view, you need register Parts on group Main Hydraulic Pump: Pos. Part No Qty Parts name Comments 1. AT179792 [1] Hydraulic Pump (SUB FOR AT176567) 1. AT199930 [1] Seal Kit (P330) (SUB FOR AT170052) 2. F37030242 [1] O-Ring 3. 24M7240 [2] Washer 13 X 25 X 3 MM 4. 19M7403 [2] Cap Screw M12 X 35