Liberty
The Liberty is a Z-Drive Tractor tug featuring 3,300 horsepower and 45 tons of bollard pull. One of our harbor ship assist tugs serving the San Francisco Bay area.
VESSEL DESCRIPTION
| Name | Liberty |
| Services | Harbor Ship Assist |
| Class Notations | Built to A1 Towing Vessel |
| Hailing Port | San Francisco, CA | Call Sign | WDC2845 |
| Keel Aid | N/A |
| Delivery | 1977 |
| Rebuilt | 1998 |
| Builder | Main Iron Works, Houma, LA |
TANK CAPACITY
TANK CAPACITY
| Fuel Capacity | 30,000 gal |
| Fuel Type | MGO |
| Urea | N/A |
| Hydraulic | N/A |
| Waste Oil | 600 gal |
| Ballast | N/A |
| Holding Tanks | Waste Oil, VSP, Hyd, Aux LO. |
| Lube Oil | 1,000 gal |
DIMENSIONS
DIMENSIONS
| Reg. Gt. | 196 |
| Reg. Nt. | 133 | Itc Gt. | 261 |
| Itc Nt. | 78 | Draft Min | N/A |
| Draft Max | N/A |
| Reg. Length | 94.7' |
| Reg. Breadth | 32' |
| Moulded Depth | 15'-1/2" |
| Length Overall | 97'-10" |
| Beam Overall | N/A |
| Air Draft | N/A |
| Displacement | N/A |
MACHINERY
MACHINERY
| Configuration | Z‐Drive Tractor |
| Main Engine | (2) CAT 3512B EPA Tier 1 | Reduction Gear | N/A |
| Propeller | (2) 72" Dia. 4 Bladed Fixed Pitch | Drives / Nozzles | (2) Ulstein 900H Z‐Drive |
| Total Rated HP | 3,300 BHP @ 1,800 RPM |
| Bollard Pull | 45.00 ST (40.82 MT) |
| Main Genset | (2) Detroit Diesel 6-71 Genset, 75 kWe, Tier 2 |
| AUX Genset | N/A |
| Fire Pump | Peabody |
DECK GEAR
DECK GEAR
| ABS LL | Y |
| ABS Class | N | USCG INSP | Y |
| Registry | Y | Coastwise | (2) Ulstein 900H Z‐Drive |
| SOLAS | N |
REGULATORY
REGULATORY
| ABS LL | Y |
| ABS Class | N | USCG INSP | Y |
| Registry | Y | Coastwise | (2) Ulstein 900H Z‐Drive |
| SOLAS | N |
CREWING REQUIREMENTS
CREWING REQUIREMENTS
| DOM. | Y |
| INTL OR | N |
| Max. Berths | Y |