Tugboats are built to be strong enough to pull massive ships, not for speed. Unlike cargo ships or speedboats, which are designed for high velocities, tugboats serve a different purpose: assisting and ...

Although tugboats are small, they are among the most powerful vessels on the water. Designed for strength over speed, these small powerhouses use reliable diesel engines and powerful propulsion ...

It took some work and cost a pretty penny, but a Chula Vista boatbuilding and repair company recently converted a tugboat from diesel power to all-electric at its shipyard that covers 1 million square ...