Z-TECH 30-80 SERIES TRACTOR HARBOR TUG MAZU BUILT 2019 AT GULF ISLAND FABRICATION IN JENNINGS, LOUISIANA. POWERED BY CATERPILLAR DIESEL ENGINES WITH SCHOTTEL Z-DRIVES SHE HAS A RATED 6,772 HORSEPOWER. MEASURING LENGTH : 90.40 FEET BY BEAM : 42.70 FEET.