90 - LOADER, SKID-STEER 70 HYDRAULIC SYSTEM Parts group 70 HYDRAULIC SYSTEM 70 HYDRAULIC SYSTEM . HYDRAULIC PUMP [C23] HYDRAULIC PUMP DRIVE [C24] MAIN CONTROL VALVE [D01] HYDRAULIC CONTROL PEDALS [D03] HYDRAULIC LINES (PRESSURE AND RETURN) [D04] HYDRAULIC LINES (LIFT) [D05] HYDRAULIC LINES (TILT) [D06] AUXILIARY HYDRAULICS [D07] AUXILIARY CONTROL VALVE [D09] GRAPPLE CYLINDER [D10] TILT CYLINDER [D11] LIFT CYLINDER [D12]