Built in 1983, by Main Iron Works of Houma, Louisiana (hull #370) as the Stephanie Dann for Dann Ocean Towing of Tampa, Florida.
However, the tug was later renamed as the Sarah Dann.
Powered by two MTU 12V4000 M53 3700h, Tier II compliant diesel engines, with Twin Disk MGN 1817V reduction gears, at a ratio of 7.59:1 turning two 96(in) by 98(in) five bladed propellers mounted in kort nozzles for a rated 3,000 horsepower.
Her electrical service is provided by two 99kW generators, driven by two Tier II John Deere Model 6068 TFM76 engines. The tug's capacities are 78,345 gallons of fuel oil, 1,970 gallons of lube oil, and 16,675 gallons of potable water.