The engines also drove hydraulic and vacuum pumps as well as a generator via a Rotol gearbox fixed on the forward wing spar; the cockpit was also heated by bleed air from one of the engines.
Motorerne drev også hydraulik- og vacuumpumper, såvel som en generator via en Rotol gearkasse, der var monteret på den forreste hovedbjælke; cockpittet var også opvarmet ved hjælp af trykluft ('bleed air') fra kompressoren i en af motorerne.