270LC - EXCAVATOR 21 Vehicle Main Hydraulic System Parts group 21 Vehicle Main Hydraulic System 2160 Vehicle Hydraulics . Main Hydraulic Pump Main Hydraulic Pump Pump Unit PUMP REGULATOR PUMP GEAR Oil Tank SUCTION PIPINGS DELIVERY PIPINGS Hydraulic Filter Restriction Indicator ( - XXXXXX) Auxiliary Drive Gear Adapter Auxiliary Drive Gear Adapter Select group 21 Vehicle Main Hydraulic System John Deere: 2160 Vehicle Hydraulics