"Mark E. Kuebler"
Z-Tech Tug

"Mark E. Kuebler"
Z-Tech Tug

2 x SRP 510 FP (2526 kW each)
Gulf Island Shipyards, USA
Bay-Houston Towing, USA
US Navy Yard Tugs (802-805)
40 t Harbour Tug

US Navy Yard Tugs (802-805)
40 t Harbour Tug

2 x SRP 340 - former SRP 1012 (1,330 kW each)
J.M. Martinac Shipbuilding Inc. Tacoma, USA
United States Navy, USA