The article states tugboats have 750 to 3000 horsepower 500 to 2000 kW which appears to be converted using a 23 ratio yet each horsepower is equivelant to about 750 watts it depends on which horsepower a quite substantial difference.

Tugboat horsepower. The Eileen is powered by 3516E Tier IV Caterpillar engines with twin Schottel SRP 490 Z-drive units. The average number of people that can be accommodated onboard tug boats listed is 8 passengers with a maximum capacity of 36 guests and crew. Models with more power can take motors up to 990 horsepower while the most modest utility models may have as modest as 9 horsepower engines on them although the average engine size is 310 HP.

1200 HP Model Bow Deck Lugger Tug For Sale. MBT 452 Offshore Tug Boat. Twin 12-cylinder diesels with 710 cubic inches per cylinder generate 6500 hp--almost twice that of a standard tug.

3000 HP Tug Boat. Steel Hull Model Bow Tug Horsepower. 10 knots Fuel Capacity.

SBD 4051 Self Propelled Spud Barge. Saltchuk Marine Maritime Fleet. Inland Self Propelled work barge.

Tugboat engines typically produce 750 to 3000 horsepower 500 to 2000 kW but larger boats used in deep waters can have power ratings up to 25 000 hp 20 000 kW and usually have an extreme powertonnage-ratio normal cargo- and passenger ships have a PT-ratio kWGRT of 035-120 whereas large tugs typically are 220-450 and small harbour-tugs 40-95. Length of tug m not to be taken more than 45 m γL. This post is not meant to be an authoritative writing on the topic presented.

It is the third high-horsepower z-drive tractor to be chartered by Crowley in the last six months. 3The Winch It can generate 100 hp--enough to pull the tugboat forward even when. Why are tug boats popular.