R420S HYDRAULIC SYSTEM Parts group R420S G00000 PUMP HOUSING G10100 LST PUMP (COMPONENT PARTS) G20001 LST PUMP (ADAPTER) G20100 LST PUMP (RELIEF VALVE) G30000 LST MOTOR G30100 LST MOTOR (COMPONENT PARTS) G40001 CONTROL VALVE G40100 CONTROL VALVE (COMPONENT PARTS) G40401 SPOOL SECTION (LIFT) G40402 SPOOL SECTION (TILT) G40403 SPOOL SECTION (S/P) G50000 SOLENOID VALVE G60000 OIL TANK G70000 OIL COOLER G71000 OIL FILTER sale parts diagram catalog online construction equipment excavator tractor