Reduction gearbox #2 (port shaft), is coupled to the port shaft and main motor #2. It was built by Westinghouse, and is a combining and reduction type, reversed by reversing the input. It is rated at 2 X 1350 HP @ 1198 RPM input, into 1 X 2,700 HP @ 280 RPM output to each propeller. This provided a combined shaft horsepower of approximately 5,400. There is a similar gearbox on the starboard side of the motor room, coupled to main motor #1 and the starboard shaft..