Original sentence: It had "twin screws", powered by two Caterpiller D343 turbo diesels engines, with about 450 HP each.The boat had 5 staterooms capable of sleeping 16 people, with additional bunks in the wheelhouse and a forward "crew quarters".The hull is made of planked mahogony.The nominal cruising speed was about 10 knots, but could reach a maximum speed of about 14 knots.There were two 110v electric generators capable of supplying up to 35Kw
Edited sentence: Although the nominal cruising speed was about 10 knots, the Vantuna could reach a maximum speed around 14 knots.It had "twin screws", powered by two Caterpillar D343 turbo diesel engines, each producing about 450 HP.The boat had five staterooms capable of sleeping 16 people with additional bunks in the wheelhouse and a forward "crew quarters".The hull is made of planked mahogany.There were two 110V electric generators capable of supplying up to 35kW