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There are many different types of commercial maritime vessels and each vessel type is built specifically for the type of cargo the vessel will be transporting.

These vessels are built to optimize the transportation process making loading / unloading efficient whilst increasing load capacity and ensuring cargo and crew will be safe during ocean transit. Tuscor Lloyds predominantly works with general cargo, container and heavy lift / project cargo and freight carrying vessels to transport our client’s cargoes around the globe.

Dry Cargo Vessel Types

General Cargo Vessels

General cargo vessels are the most basic dry cargo carrying vessel; they are used to carry loose and irregular cargo which is not suitable for container, Ro-Ro, bulk or specialist heavy lift vessels. Stevedores will secure cargoes to these vessels using custom fittings often welded to the ships hold. General cargo vessels are often fitted with rigging for winches which are used to load and unload cargo to the vessel hold(s).

Container Sshipping Vessel

RO-RO Vessels

RO-RO or roll-on/roll-off vessels are ships designed to carry wheeled cargo, they come in different forms depending on the need, including vehicle ferries, cargo vessels (which are used for truck trailers, railroad cars etc) and car carriers which are the most prominent. Ro-Ro vessels are loaded/ unloaded using single or multiple loading ramps. The largest Ro-Ro vessel is the Mark V Class owned by Wilh. Wilhelmsen which is 869ft long and has three hoistable decks which provide 138,000 cubic metres of cargo space.

General Cargo Vessel

Container Vessels 

Container ships transport an estimated 52% of all global ocean trade and are specifically designed to transport ISO standardised shipping containers, these include 10, 20, 40 & 45ft standard containers, high-cube containers, open-top containers, flatrack and platform containers (these are used for oversized cargo), tank containers (for liquids / gasses) and refrigerated containers which require a power source to provide temperature control. Container ships are loaded / unloaded using gantry cranes which move the containers straight between the vessel and truck which removes the need for warehousing and improves efficiency. Container vessels come in many different sizes, the world’s largest is the Maersk Triple-E class which is 1306 ft long and has a capacity of 18,340 TEU.


Bulk Carriers

Bulk carriers are used to transport loose dry cargoes such as ore, grains and cement which often have a high weight to cost ratio making ocean transportation by other methods / vessel types inefficient. Bulk carriers are large vessels which are usually divided into separate cargo holds, covered by hatches. Bulk carriers are loaded by spouts, conveyors or by cranes fitted with grabs, some carriers have cranes fitted to allow the loading and unloading of cargo without the need for port equipment. Bulk carriers are usually unloaded using cranes fitted with grabs although some cargoes can be unloaded using specialist equipment to speed up the process. Bulk cargo is generally loaded from the vessel into hoppers which then use conveyor belts to transfer the cargo to open storage or silos.

Liquid Vessel Types (Tankers)

Crude Carriers

Crude oil carriers are designed (as the name suggests) to transport crude oil to refineries where it can be processed. Very Large Crude Carriers (VLCCs) and Ultra Large Crude Carriers (ULCCs) are the largest ships in the world. Due to the size of these supertankers many cannot dock at ports so cargoes are unloaded at offshore pumping stations / terminals. Supertankers (VLCCs & ULCCs) can carry approximately 2,000,000 barrels of oil or 318,000 metric tons. The Knock Nevis is regarded as the largest ULCC supertanker ever built with a length of 1504ft although this vessel stopped operations in 2009.


Liquefied Gas Carriers

Liquefied gas carriers are highly specialised vessels which are used to transport Liquefied Natural Gas (LGN) or Liquefied Petroleum Gas (LPG). The cargo is stored within spherical tanks under high pressure and often at low temperatures. Loading and unloading of these vessels require specialist terminals and handling equipment. LGNs are usually larger than LPGs, the largest type of liquefied gas vessel is the Q-Max which is a 1132ft long LGN vessel and has a capacity of 266,000 m3.


Product Carriers

Product carriers are much like crude carriers but generally smaller, they are used to transport refined products from larger terminals to smaller ports located worldwide. These vessels carry products such as petroleum, diesel, asphalt, jet fuel, tar and lubricating oil, the smaller of these product carriers are also used for non-petroleum bulk products such as palm oil.


Chemical Carriers

Chemical carriers are used for the transportation of a whole range of chemicals, which each have different properties, characteristics and inherit hazards. Chemical tankers generally have a number of separate cargo tanks which are either coated with specialized coatings such as zinc pait/ phenolic epoxy or they are made from stainless steel. The material used for the cargo tanks or the coating determines what types of cargo each tank can hold, epoxy coated tanks can hold cargoes such as vegetable oil whilst hazardous cargo such as aggressive acids (e.g. phosphoric and sulphuric acid) must be carried using stainless steel tanks.

Specialised Vessel Types

Heavy Lift / Project Cargo Vessels

Heavy lift / project cargo vessels are specialist vessels built to transport extremely heavy or bulky cargoes including heavy industrial components and other vessels, such as yachts. There are two main types of heavy lift / project cargo vessels; semi-submergible (also known as flo-flo or float-on/float-off) which are used for the transportation of other vessels and augment unloading vessels which are fitted with specialist heavy lift equipment to make unloading at under-equipped ports possible. Semi-submergible vessels allow cargoes to be floated into position before the semi-submerged vessel de-ballasts to lift the cargo out of the water.


Passenger Vessels

Passenger vessels range from small 10 person ferries to large cruise ships capable of carrying more than 6000 passengers. Passenger vessels such as cruise ships are fitted with hotel-like interiors and include facilities such as restaurants, shops, cinemas and swimming pools. The largest passenger vessel is the ‘Allure of the Seas’ which is 1187ft long and can comfortably accommodate 6296 passengers.


Livestock Vessels

Livestock vessels are usually converted from other types of cargo vessels and fitted with the necessary equipment to safely transport large numbers of animals. They are designed to provide adequate ventilation, food and water. There is two types of livestock vessels; open livestock carriers with animal pens installed on open decks, providing natural ventilation and avoiding the reliance on mechanical ventilation systems, and closed livestock carriers which have animal pens within holds and internal decks of the vessel. Closed carriers required mechanical ventilation systems but also allow for a more controlled environment which is sheltered during server weather.


Tug Vessels

Tugs are highly manoeuvrable and powerful vessels which are used to assist larger and less manoeuvrable vessels. They can be used to assist ships in, out and around ports as well as during bad weather when they’re power and manoeuvrability can ensure the safe transit of large vessels. Tugs are also used for port to port transportation of barges and the movement of large structures such as offshore platforms and floating storage units.


View more Tuscor Lloyds News and informative articles on our shipping blog here.



El 2020 es un año de muchos cambios, y la industria del comercio exterior no es la excepción, es por eso que, en esta ocasión, te mostramos de manera detallada los principales cambios del Incoterms durante este periodo.

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