Higham 1961, p.181 It was powered by five 275 horsepower Sunbeam Maori engines, with one in the aft section of the control car, two more in a pair of power cars amidships each driving a pusher propeller via a reversing gearbox for manoeuvering while mooring, and the remaining two in a centrally mounted aft car, geared together to drive a single pusher propeller. [