Hydraulic System DREAMLINER Architecture Left System Center System Right System 25 27/37g 27/37gpm27/37gpm10-19gp 25 gpm 27/37 gpm Electric Electric Electric Electric Motor Motor Moto Motor Pump Pump Pump Turbine Engine Pump (EMP) (EMP) (EMP) (RAT) (EMP) Ailerons Left Wing Left Wing Flaperons Left Wing Right Wing Right Wing Left Wing Right Wing: #8 Right Wing: #9 Left Wing: #3 Left Wing: #1 Left Wing: #2 Right Wing: #12 Right Wing: #14 Right Wing: #13 Elevator Left elevator Left Elevator Right Elevator Right Elevator Rudder PCU PCU PCU Thrust Left Engine Right Engine Edge Flaps ydraulic Motor Edge Flap Hydraulic Motor Nose Landing Normal Gear& Steering Reserve Main Landing Left Right Boeing ProprietaBoeing Proprietary Hydraulic System Architecture Ailerons Flaperons Inboard Spoilers Outboard Spoilers Elevator Rudder Thrust Reversers Trailing Edge Flaps Leading Edge Flaps Nose Landing Gear & Steering Main Landing Gear Left Engine Engine Driven Pump (EDP) Electric Motor Pump (EMP) Left Wing Right Wing Left Wing: #3 Right Wing: #12 Left Wing Left Elevator Electric Motor Pump (EMP) Electric Motor Pump (EMP) Ram Air Turbine (RAT) Right Wing Left Wing Right Wing Left Wing: #7 Right Wing: #8 Left Wing: #1 Right Wing: #14 Left Elevator Right Elevator PCU Hydraulic Motor Hydraulic Motor Normal Reserve Left & Right PCU Left System Center System Right System 25 gpm 27/37 gpm 27/37 gpm 27/37 gpm 10-19 gpm Right Engine Engine Driven Pump (EDP) Electric Motor Pump (EMP) Right Wing Left Wing Left Wing: #6 Right Wing: #9 Left Wing: #2 Right Wing: #13 Right Elevator PCU 25 gpm 27/37 gpm Left Engine Right Engine