B1620 B1620 Parts group B1620 001000 1620 SUB-FRAME & COMPONENTS 007000 B1620 TRACTOR/LOADER HYDRAULICS W/O POWER B 008000 B1620 TRACTOR/LOADER HYDRAULICS W/POWER BEY 012000 B1620 LIFT FRAME & COMPONENTS 014000 B1620 SINGLE LEVER CONTROL 016000 B1620 LOADER CONTROL VALVE 018000 PRESSURE RELIEF CARTRIDGE 021000 B1620 LIFT & BUCKET CYLINDERS sale parts diagram catalog online construction equipment excavator tractor