644A - LOADER, FOUR-WHEEL DRIVE 55 SUMP TANK, LOADER FRAME, LUMBER FORK, VALVES, LINES AND CYLINDERS Parts group 55 SUMP TANK, LOADER FRAME, LUMBER FORK, VALVES, LINES AND CYLINDERS 55 SUMP TANK, LOADER FRAME, LUMBER FORK, VALVES, LINES AND CYLINDERS . HYDRAULIC SUMP TANK (DUBUQUE SERIAL NO. -121499) (WELLAND SERIAL NO. -70199) [02B03] HYDRAULIC SUMP TANK (DUBUQUE SERIAL NO. 121500- ) (WELLAND SERIAL NO. 70200- ) [02B05] HYDRAULIC SUMP TANK COVER [02B06] HYDRAULIC SUMP TANK CONVERSION PARTS (DUBUQUE SERIAL NO. -121499) (WELLAND SERIAL NO. -70 HYDRAULIC SUMP TANK TOP COVER (DUBUQUE SERIAL NO. 121500- ) (WELLAND SERIAL NO. 70200- ) [0 SUMP TANK OIL FILTER AND RELIEF VALVE [02B08] LOADER HYDRAULIC PUMP AND HOSES [02B10] LOADER HYDRAULIC PUMP [02B11] LOADER CONTROL VALVE LINKAGE [02B12] CONTROL VALVE ASSEMBLY (TWO AND THREE SPOOL) [02B13] CONROL VALVE ASSEMBLY-CONTINUED [02B14] CONTROL VALVE LOADER BOOM SECTION [02B15] CONTROL VALVE LOADER BUCKET SECTION [02B16] CONTROL VALVE, LOADER AUXILIARY VALVE SECTION [02B17] LOAD MASTER CYLINDER AND TUBE [02B18] LOADER CONTROL VALVE OIL LINES [02B19] AUXILIARY CONTROL VALVE FRONT HYDRAULIC OIL LINES [02B21] AUXILIARY CONTROL VALVE REAR HYDRAULIC OIL LINE [02B22] BOOM CYLINDER HYDRAULIC OIL LINES [02B23] BOOM CYLINDER AND HOSES [02B24] BOOM CYLINDER ASSEMBLY [02B25] BUCKET CYLINDER HYDRAULIC OIL LINES [02C01] RIGHT-HAND BUCKET CYLINDER AND HOSES [02C02] LEFT-HAND BUCKET CYLINDER AND HOSES [02C03] BUCKET CYLINDER ASSEMBLY [02C04] CLAM CYLINDER FOR DROTT-2-1/4 YARD 4-IN-1 BUCKET (DROTT SERIAL NO. -251) [02C05] CLAM CYLINDER FOR DROTT-2-1/4 YARD 4-IN-1 BUCKET (DROTT SERIAL NO. 252-302) [02C06] CLAM CYLINDER FOR DROTT-2-1/4 YARD 4-IN-1 BUCKET (DROTT SERIAL NO. 303- ) [02C07] OIL LINES AND FITTINGS-2-1/4 YARD DROTT 4-IN-1 BUCKET [02C08] 2-1/4 YARD DROTT 4-IN-1 BUCKET [02C09] LOADER BUCKETS [02C10] LOADER FRONT LEVERS AND LINKS [02C12] LOADER REAR LEVERS AND LINKS [02C13] LOADER BOOM [02C14] LOADER FRAME [02C15] LUMBER FORK CLAMP AND CYLINDER [02C16] LUMBER CLAMP CYLINDER ASSEMBLY [02C17] LUMBER FORK LOAD ARM AND STANDARD [02C18] LUMBER FORK FRAME AND LOAD ARM SHAFT [02C19] SINGLE CLAMP LUMBER FORK HYDRAULICS [02C20] DUAL CLAMP LUMBER FORK HYDRAULICS [02C21] ENGINE FRAME AND TRANSMISSION SUPPORTS [02C22]