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AHTS Propulsion

Product catalog summary

Introduction
MAN Diesel has secured a contract to supply complete twin-screw medium-speed propulsion packages for ten Anchor Handling Tug Supply Vessels (AHTS) to be operated by Swire Pacific Offshore Limited. These vessels will be constructed by Labroy Shipyard in Batam, Indonesia.

Design and Specifications
The AHTS vessels, designed by IMT Marine Consultants Ltd, are optimized for global operations. Key specifications include a length overall of 66.0 meters, a breadth of 16.0 meters, and a deadweight of 2,100 tons. The vessels are classified under ABS Class +A1 for Offshore Support & Towing Vessel.

Propulsion System
The propulsion system features two MAN Diesel 9L27/38 engines, each providing 3,285 kW, enabling a bollard pull of over 120 metric tons and a service speed of 13.5 knots. The system includes reduction gearboxes, controllable pitch propellers, and a comprehensive control system interfaced with a Joystick/Dyn Pos System for enhanced maneuverability.

Key Factors for Selection
Swire Pacific Offshore chose MAN Diesel due to the ability to procure a complete propulsion package from a single manufacturer, the interchangeability of parts across different vessel sizes, and MAN Diesel's customization capabilities to meet specific operational needs.

Conclusion
MAN Diesel's propulsion packages are tailored to meet the specific requirements of Swire Pacific Offshore, ensuring efficient and reliable performance for their fleet of AHTS vessels.

Catalog excerpts

AHTS Propulsion for Swire Pacific Offshore

Open the catalog to page 1

Anchor Handling Tug Supply Swire Pacific Offshore selects complete propulsion solutions MAN Diesel has been awarded the contract to supply complete twin-screw medium-speed propulsion packages for ten Anchor Handling Tug Supply Vessels (AHTS). The newbuildings, which will be built by Labroy Shipyard, Batam, Indonesia (Labroy Shipbuilding and Engineering Pte Ltd, Singapore) are to be operated by Swire Pacific Offshore Limited, Singapore. The 120-ton bollard pull AHTS vessels have been designed by the UK-based IMT Marine Consultants Ltd, with specific optimisation for the worldwide operation of...

Open the catalog to page 2

MAN Diesel – Propulsion Systems Propulsion system A total main engine output of 2 x 3,285 kW will supply the propeller thrust, for a bollard pull of more than 120 metric tons. The ship service speed is optimised for 13.5 knots. The MAN Diesel twin-screw propulsion system type 9L27/38VBS, which has been specified for the new buildings, includes: Main engines Two MAN Diesel 9L27/38 engines, fitted with full engine power PTO and integrated journal bearing at the front-end, driving a fire-fighting pump arrangement. Graphic illustration of the first 120-ton AHTS for Swire Pacific Reduction gearboxes...

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Open the catalog to page 4

AHTS Propulsion

AHTS Propulsion

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