500A - BACKHOE, LOADER 45 HYDRAULIC SYSTEM Parts group 45 HYDRAULIC SYSTEM 45 HYDRAULIC SYSTEM . HYDRAULIC PUMP DRIVE AND SUPPORT [01I04] REPLACEMENT HYDRAULIC PUMP ASSEMBLY [01I05] HYDRAULIC PUMP FITTINGS [01I06] HYDRAULIC PUMP 49 CM3 (3 IN.3) (PUMP LESS SERIAL PLATE) [01I07] HYDRAULIC PUMP STROKE CONTROL VALVE 49 CM3 (3 IN.3) (PUMP LESS SERIAL PLATE) [01I09] HYDRAULIC PUMP AND STROKE CONTROL VALVE OVERHAUL KIT 49 CM3 (3 IN.3) (PUMP LESS SERIAL PLATE) [01I11 HYDRAULIC PUMP - MODEL GH1 50 CM3 (3 IN.3) (REPLACEMENT PUMP WITH SERIAL PLATE) [01I13] HYDRAULIC PUMP STROKE CONTROL VALVE 50 CM3 (3 IN.3) (REPLACEMENT PUMP WITH SERIAL PLATE) [01I15] HYDRAULIC PUMP AND STROKE CONTROL VALVE OVERHAUL KIT 50 CM3 (3 IN.3) (REPLACEMENT PUMP WITH SERIAL P HYDRAULIC OIL ACCUMULATOR [01I19] PRESSURE CONTROL VALVE [01I20] OIL PRESSURE PIPE AND CLAMPS [01I20] HYDRAULIC OIL OUTLET MANIFOLD AND PIPES [01I21] TRANSMISSION OIL FILTER VALVE HOUSING (COLLAR SHIFT) [01I22] HYDRAULIC OIL RETURN PIPES (COLLAR SHIFT) [01I23] HYDRAULIC OIL RETURN PIPES (POWER SHIFT) [01I24]