Engineering Marvels of the World’s Longest Ships

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The world's longest ships

Mærsk Mc-Kinney Møller (Triple E class)

The 400m-long Mærsk McKinney Møller, is the world’s longest ship. It is the first container ship in the Triple E class, Maersk’s most energy efficient ships. The class is owned by A. P. Moller-Maersk Group and operated by Maersk Line.

Mærsk McKinney Møller is 59m wide and 73m high, with a cargo capacity of 18,000 twenty-foot equivalent unit (TEU) and deadweight capacity of 165,000t. The vessel launched in February 2013 and named in June 2013. Up to 20 ships in the series have been ordered to date.

The container vessel features a twin-skeg propulsion system, which includes two engines and two propellers. The two propellers comprise of four blades each and the two ultra-long-stroke engines have an output of 30,000kW each. The maximum speed of the vessel is 23kt.

Emma Maersk (Maersk E-class)

Maersk E-class ships are 398m long ranking as the second longest in the world. Emma Maersk, the first vessel in the E-series, was delivered in 2006.

The container vessel has a beam of 56m, draught of 16.02m and depth of 30m. Its maximum tonnage capacity is 11,000 TEU. It is owned and operated by A. P. Moller-Maersk Group and constructed by Odense Steel Shipyard in Denmark.

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The ship is powered by a Wärtsilä 14RT-flex96C low-speed diesel engine with a maximum power output of 80,080kW at 102 rpm. Service speed of the vessel is 25.20kt.

Explorer Class container ships

Explorer Class container ships comprise of five old container ships and three new ships delivered in 2013. The three new vessels delivered in 2013 are the third longest in the world at 396m long. The five older vessels are all 365m long.

Three new ships are CMA CGM Marco Polo, CMA CGM Alexander von Humboldt and CMA CGM Jules Verne. They are owned by CMA CGM and built by Daewoo Shipbuilding & Marine Engineering (DSME).

The vessels are 54m wide and have a draft of 16m and tonnage capacity of 16,020 TEU. Each vessel is propelled by a 14-cylinder, Wärtsilä RT-flex96C low speed diesel engine, which produces a maximum power output of 80,080kW at 102rpm. The vessels are capable of sailing at a speed of 25.1kts.

TI-Class supertankers

The TI-Class of ships comprising of TI Africa, TI Asia, TI Europe and TI Oceania are the fourth longest in the world. The vessels are 380m long, 69m wide and 34m deep. The draught of the vessels is 24.5m.

The double-hulled supertankers were originally constructed by DSME in Okpo, South Korea, for their former owner Hellespont Shipping in 2001. TI Oceania and TI Africa are now owned by Overseas Shipholding Group (OSG), while TI Asia and TI Europe are owned by Euronav.

TI Asia and TI Africa were converted into floating storage and offloading vessels (FSOs) in 2010. The two FSOs operate at Al Shaheen oil field offshore of Qatar. The supertanker vessels feature a HSD-Sulzer 9RTA84T-D engine which delivers 37,449kW at 76 rpm. They sail at a speed of 16.5kts.

Gudrun Maersk

Gudrun Maersk container ship, with a length of 367m, is the fifth longest ship in the world. It was built at Odense Steel Shipyard in Denmark and named in May 2005. Maersk Line owns the vessel.

The width and draft of the ship are 42.80m and 15m respectively. Deadweight capacity of the vessel is 115,700t and container capacity is 9,500 TEU.

The ship is powered by a Wärtsilä 12RT-flex96c diesel engine with a power output of 69,350kW at 102 rpm. It is equipped with a gas heat recovery system supplied by Siemens. The sailing speed of the vessel is 24.6kts.

MSC Beatrice

MSC Beatrice container ship, with an overall length of 366.1m, is the sixth longest ship in the world. The lengths of its sister vessels MSC Daniela, MSC Danit, MSC Camille vary from 365.50m to 366m.

Beatrice has a width of 50.9m, draught of 15m and maximum container capacity of 13,798 TEU. It was constructed by Samsung Shipbuilding & Heavy industries, South Korea, in 2009. Mediterranean Shipping Company of Switzerland owns and operates the vessel.

The vessel sails at a speed of 25.2kt, powered by a MAN B&W 12K98MCC diesel engine with 72,240kW output.

MS Vale Brasil, Valemax Ship

Valemax Ships are a fleet of Very Large Ore Carriers (VLOCs) measuring 360m to 362m long. The first vessel in the series, MS Vale Brasil, with a length of 362m was commissioned in May 2011.

Vale Brasil is the first of seven VLOCs ordered from the Daewoo Shipbuilding & Marine Engineering, South Korea. Another 12 ships were ordered from the Rongsheng Shipbuilding and Heavy Industries shipyard in China, and 16 ships from other shipbuilders in China and South Korea.

Vale Brasil is 62m, 30.4m deep and 23.023m in draught. It is powered by a MAN Diesel & Turbo SE 8S80ME-C engine. The vessel is capable of sailing at more than 15kt carrying up to 400,000t of ore.

Oasis Class cruise ships

The Oasis Class cruise ships, ranked as the eighth longest in the world, currently comprise of two ships – Oasis of the Seas and Allure of the Seas. The two ships have a length of 362m and width of 65m. The third ship in the series is currently under construction and is set to be delivered in 2016.

The ships are owned by Royal Caribbean International. They were constructed in the Aker Yards at Turku, Finland, by STX Europe. The third vessel is being constructed by STX France in Saint-Nazaire.

The vessels in the series are capable of cruising at a speed of 22kt. They are powered by eight Wärtsilä V12 diesel engines generating a power of 12,871.23kW each. The main propulsion system consists of three 20MW azimuthing Asea Brown Boveri Azipods.

Axel Maersk

Axel Maersk container vessel, with a length of 352m, is the ninth longest ship in the world. It was commissioned in February 2003. A. P. Moller-Maersk Group is the operator.

The ship is 43m wide and carries cargo weighing up to 8,000 TEU. The order for the vessel was placed in 2002 and construction was carried out at Odense Steel Shipyard in Denmark.

The vessel is equipped with a 12-cylinder HSD-Wärtsilä Sulzer diesel engine, with a power output of 63,757kW at 100 rpm. It is also equipped with Wärtsilä Slow Steaming Upgrade Kits that enhance the vessel’s running capacity at continuous low load.


CMA CGM Madea is a container ship owned by CMA CGM. Its overall length of 349m makes it the tenth longest ship in the world. The vessel was built by Hyundai Heavy Industries in South Korea. It was delivered in December 2006.

The Madea is 43m wide and has a draught of 15.02m. It can carry 9,415 TEU of cargo. Deadweight capacity of the vessel is 113,964t, while gross tonnage capacity is 107,711t.

The power plant of the ship includes a Man B&W 12K98MC diesel engine with an output of 68,640kW. Maximum sailing speed of the vessel is 25.40kts.