Two MAK 8M35 main engines develop a total of 12,000bhp to drive twin controllable pitch propellers, rotating within fixed nozzles, giving the vessel a bollard pull of 135 tonnes and free running speed of 16 knots.

The tug has three 600hp transverse thrusters installed, one in the stern and two in the bow. When used in unison, the units produce a combined sideways thrust of approximately 20 tonnes.

Anglian Earl is fitted with a massive winch with two drums dedicated to towing and two to anchor-handling. All four drums have a line pull of 250 tonnes and a maximum brake holding load of 400 tonnes. A stern roller with a safe working load of 400 tonnes is installed and the vessel is fully equipped with 'Sharks Jaw' line handling equipment and towing pins to carry out a wide variety of towing and anchor-handling tasks.

The vessel is also equipped with the usual cargo tanks for the transportation of drilling mud, fuel, fresh water and other bulk products for use offshore.

Anglian Earl has a fire-fighting system capable of delivering 12,000m 3of water per hour. One of her last jobs under the Maersk flag was to act a stern tug during the tricky operation to tow the giant FPSO Bonga down the river Tyne, prior to its delivery voyage to Nigeria.

Recent management changes within Klyne Tugs (Lowestoft) Ltd (Towlines January 2004) and the continuing fleet replacement programme indicate the company's intention to strengthen their presence in the salvage, towage and offshore markets.