Heads up, aspiring seafarers, take note 📝. Our vessel is fully loaded and these tugboats are designed with a pulling power that can tow or push big loaded ships. The pulling power is called ‘bollard pull’. Bollard Pull is a measure of the pulling power of a vessel or a watercraft comparable to the horsepower rating of conventional vehicle engines. Tugboat companies deal in large sums: the bill to dock a tanker or a big bulk carrier can run from $15,000 to more than $50,000 depending on a number