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Hello! In this video we see a very old and rusty WH20c1520 Engine, we bought it for repair but time did not allow us to completely restore and repair the flooded WEICHAI WH20c1520 engine of the world's largest submarine. In this episode we restore and repair an engine that is no longer working. we worked very hard to restore and repair this engine for many working days, we completely restored this engine and it works normally in the next video part because the big engine we do 2 parts. I hope you find something useful from this video! I am happy to receive your feedback, advice and suggestions to improve myself further!!! I apologize for any mistakes if I made in this restoration!!! Thank you for watching the video. Don't forget to like and subscribe to the channel. Link to subscribe to the channel