690C - EXCAVATOR HYDRAULIC SYSTEM 2160 Parts group HYDRAULIC SYSTEM 2160 HYDRAULIC SYSTEM 2160 . RETURN FILTER [02D22] HYDRAULIC OIL COOLER [02D23] HYDRAULIC RESERVOIR [02E01] HYDRAULIC PUMP [02E03] HYDRAULIC PUMP KIT [02E05] HYDRAULIC PUMP DRIVE AND MOUNTING PLATE [02E07] OIL COOLER HOSES TO RESERVOIR AND RETURN FILTER [02E08] HYDRAULIC PUMP INLET HOSE TO RESERVOIR [02E09]