No... No no no. Your sense of scale is way off. There are a couple of the biggest hydraulic pumps you can imagine moving that rudder. It can be manually pumped from the engine room. Very slowly.

Edit: at a glace this looks to be a similar sized container ship:

https://www.damenmc.com/en/projects/5x20000-teu-container-vessels-for-cosco-containers

No... No no no. Your sense of scale is way off. There are a couple of the biggest hydraulic pumps you can imagine moving that rudder. It can be manually pumped from the engine room. Very slowly.