The present invention relates to a pod propulsion device mounted on a ship or offshore structure, and in particular, through a plurality of motors and a plurality of gear assemblies, it is configured to maintain good efficiency even with a change in the rotational speed of a propeller, and failure of any one motor Even if it occurs, it is configured to enable the operation of a ship or offshore structure by another motor. The present invention for achieving the above object is a pod propulsion device that is mounted on the bottom of a ship or offshore structure to generate a propulsion force by rotation of a propeller, and a plurality of motors are mounted inside the housing of the pod propulsion device, and a plurality of The motors are connected by gear assemblies to generate propulsion by rotating a propeller with power generated from a plurality of motors.
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