10 YD 171

The YD 171 was considered a work horse during World War II. At the time it was the world’s largest self-propelled floating crane. Even today, it is considered to be an engineering marvel. The YD 171 is most famous for being towed all around the world for use after the war ended. Believe it or not, It was instrumental in helping to rebuild parts of Germany in the late 1940’s.

Source: Wikipedia

Source: Wikipedia