Big 5 Breakdown: Size, Fuel Burn, and Carrying Capacity

The backbone of global trade, these colossal vessels are more than just structures of steel and engine; they are moving cities, powerhouses of the sea, each with their own unique story. From the fuel-laden tankers to the container-stacked giants, we give you a quick rundown of the 'Big 5' in the shipping industry β Tankers, Bulk Carriers, Ro-Ro Ships, Container Ships, and General Cargo Ships. Let's go!
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** Updated 2/17/2025 **
1.Tankers
2.Bulk Carriers
3.Ro-Ro Ships
4.Container Ships
5.General Cargo Ships
1οΈβ£ Tankers β Masters of Liquid Cargo
Tankers are specialized vessels designed for transporting large volumes of liquid cargo, including crude oil, refined petroleum products, chemicals, and liquefied natural gas (LNG). These ships play a critical role in global trade, ensuring the steady supply of fuel and raw materials.
Types & Uses
- Handy & MR Tankers β Smaller and more flexible, ideal for short to medium-haul routes and accessing smaller ports.
- LR1 & LR2 Tankers β Medium to long-range transport, often used for refined petroleum products and chemicals.
- VLCCs & ULCCs β Massive crude oil carriers optimized for intercontinental transport, operating between major oil terminals.
Benefits
β High cargo capacity β Efficient for moving large liquid volumes.
β Segmentation options β Some tankers can carry multiple liquid types in separate compartments.
β Safety regulations β Double-hulled designs minimize environmental risks.
Challenges
β Oil spill risks β A significant concern requiring strict compliance with environmental laws.
β Port limitations β Larger tankers can only dock at specialized terminals.
β Fluctuating demand β Tanker earnings are heavily impacted by global oil prices and shipping routes.
Tankers remain essential to global energy markets, evolving with newer, more fuel-efficient, and environmentally friendly designs. π’
ShipUniverse: Tanker Classifications and Fuel Consumption | |||
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Tanker Type | Deadweight Tonnage (DWT) | Best For | Fuel Consumption (Tons/Day) |
Handy Tankers | 10,000β50,000 DWT | Shorter routes, smaller ports, flexible transport | 18β30 tons |
Medium Range (MR) Tankers | 40,000β55,000 DWT | Balanced capacity and accessibility | 22β35 tons |
Long Range 1 (LR1) | 55,000β79,999 DWT | Longer trade routes, moderate port access | 25β40 tons |
Long Range 2 (LR2) | 80,000β125,000 DWT | Global trade, higher capacity routes | 35β50 tons |
Very Large Crude Carrier (VLCC) | 200,000β320,000 DWT | Mass crude oil transport, long-haul routes | 60β80 tons |
Ultra Large Crude Carrier (ULCC) | 320,000β550,000 DWT | Largest crude carriers, limited port access | 100β120+ tons |
2οΈβ£ Bulk Carriers: From Handy to Heavyweight
Bulk carriers are essential vessels designed to transport unpackaged bulk commodities such as coal, iron ore, grain, and fertilizers. Their open-hatch design and large cargo holds make them highly efficient for moving massive quantities of raw materials across the globe.
Types & Uses
- Handysize & Handymax β Smaller bulk carriers, ideal for regional trade and accessing smaller ports.
- Supramax & Panamax β Mid-sized vessels capable of passing through key shipping routes like the Panama Canal.
- Capesize & VLOCs β The largest bulk carriers, used for long-haul transport of high-volume cargo, often requiring deep-water ports.
Benefits
β Cost-efficient β Can transport vast amounts of cargo in a single trip, reducing costs per ton.
β Diverse cargo handling β Can accommodate various bulk goods with specialized loading/unloading systems.
β Global reach β Operates across major trade routes, supporting industries like mining and agriculture.
Challenges
β Weather-dependent β Bulk cargoes like grain and coal require careful handling to avoid moisture damage.
β Port restrictions β Larger vessels require deep-water ports, limiting their operational flexibility.
β Fluctuating freight rates β Profits are subject to commodity market trends and global trade demand.
Bulk carriers remain a cornerstone of global commerce, ensuring industries worldwide receive the raw materials they need to function. π’
ShipUniverse: Bulk Carrier Classifications and Fuel Consumption | |||
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Bulk Carrier Type | Deadweight Tonnage (DWT) | Best For | Fuel Consumption (Tons/Day) |
Handysize | 15,000β39,999 DWT | Smaller ports, versatile cargo like steel, grain, and minerals | 20β25 tons |
Handymax / Supramax | 40,000β64,999 DWT | Mid-sized ports, self-loading/unloading capability | 25β30 tons |
Panamax | 65,000β82,000 DWT | Designed to fit through the Panama Canal, common for grain and coal | 30β35 tons |
Post-Panamax / Kamsarmax | 82,000β99,999 DWT | Larger capacity than Panamax, ideal for global trade | 35β40 tons |
Capesize | 100,000β210,000 DWT | Large-scale bulk cargo like iron ore, cannot transit canals | 40β60 tons |
Very Large Ore Carrier (VLOC) | 210,000β400,000 DWT | Massive iron ore shipments on long-haul routes | 55β70 tons |
3οΈβ£ Ro-Ro Ships
Roll-On/Roll-Off (Ro-Ro) ships are designed to transport wheeled cargo such as cars, trucks, trailers, and heavy machinery. Unlike container or bulk carriers, Ro-Ro vessels allow cargo to be driven directly on and off the ship using built-in ramps, making loading and unloading highly efficient.
Types & Uses
- Small Ro-Ro Vessels β Used for short-sea routes and regional transport, often serving island communities and ferrying vehicles.
- Mid-Size Ro-Ro Ships β Handle larger volumes of cars and commercial vehicles on coastal and international routes.
- Large & Ultra-Large Ro-Ro Ships β Designed for long-haul routes, capable of carrying thousands of vehicles, including oversized industrial equipment.
Benefits
β Fast turnaround β Vehicles roll on and off quickly, reducing port congestion.
β Secure transport β Cargo remains enclosed and protected from the elements.
β Minimal port infrastructure needed β Unlike container ships, Ro-Ro vessels donβt rely on cranes for loading.
Challenges
β Limited cargo variety β Primarily suited for wheeled cargo, reducing flexibility.
β Space inefficiency β Compared to stacked container ships, Ro-Ro vessels use more deck space per unit.
β Weather dependence β Open ramps can pose challenges in rough seas and high winds.
Ro-Ro ships are vital for the automotive and logistics industries, providing a seamless, efficient way to transport wheeled goods across global markets. π’
ShipUniverse: Ro-Ro Ship Classifications and Fuel Consumption | |||
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Ro-Ro Ship Type | Size (Length) | Capacity (Lane Meters) | Fuel Consumption (Tons/Day) |
Small Ro-Ro Vessels | Under 150 meters | A few hundred to 2,000 lane meters | 15β25 tons |
Mid-Size Ro-Ro Ships | 150β200 meters | 2,000β5,000 lane meters | 30β45 tons |
Large Ro-Ro Ships | Over 200 meters | 5,000β7,500+ lane meters | 40β60 tons |
Ultra Large Ro-Ro Ships | 250+ meters | 7,500β10,000 lane meters | 50β70+ tons |
4οΈβ£ Container Ships: The Pioneers of Global Trade
Container ships revolutionized the shipping industry by standardizing cargo transport. These vessels use stacked shipping containers, allowing for efficient loading, unloading, and intermodal transport via trucks, trains, and ships. They form the backbone of international trade, moving consumer goods, machinery, electronics, and more.
Types & Uses
- Small Feeder Ships β Operate on regional routes, transferring containers between smaller ports and main hubs.
- Feedermax & Panamax Ships β Designed for mid-range routes, including transit through the Panama Canal.
- Post-Panamax & New Panamax Ships β Larger vessels optimized for high-volume trade on major ocean routes.
- Ultra Large Container Vessels (ULCVs) β Massive ships exceeding 400 meters in length, primarily used for Asia-Europe and transpacific trade lanes.
Benefits
β Highly efficient β Stacked containers maximize cargo volume per trip.
β Fast loading/unloading β Cranes can quickly handle container movements.
β Seamless intermodal transport β Containers can be transferred between ships, trucks, and trains with ease.
Challenges
β Port dependency β Requires large port facilities with specialized cranes and infrastructure.
β Container imbalance β Some regions receive more goods than they export, leading to empty container repositioning issues.
β High fuel consumption β Large container ships use significant fuel, though slow steaming helps improve efficiency.
Container ships remain essential to global supply chains, moving billions of dollars in goods faster and more efficiently than any other transport mode. π’
ShipUniverse: Container Ship Classifications and Fuel Consumption | |||
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Container Ship Type | Size (Length) | Capacity (TEUs) | Fuel Consumption (Tons/Day) |
Small Feeder Ships | Under 150 meters | Up to 1,000 TEUs | 20β30 tons |
Feedermax Ships | 150β200 meters | 2,000β3,000 TEUs | 30β50 tons |
Panamax Container Ships | Up to 294 meters | 3,000β5,000 TEUs | 40β50 tons |
Post-Panamax / New Panamax | 294β366 meters | 5,000β14,000 TEUs | 50β100 tons |
Ultra Large Container Ships (ULCV) | Over 400 meters | 18,000β24,000+ TEUs | 100β350 tons |
5οΈβ£ General Cargo Ships: The Jacks-of-All-Trades in Maritime Transport
General Cargo Ships: The Jacks-of-All-Trades in Maritime Transport
General cargo ships are versatile vessels designed to transport a variety of goods that donβt fit neatly into containers or bulk carriers. They handle break-bulk cargo, including machinery, packaged goods, timber, and even oversized industrial equipment. Many are equipped with onboard cranes, allowing them to load and unload cargo in ports with limited infrastructure.
Types & Uses
- Small General Cargo Ships β Ideal for short-sea routes and smaller ports, transporting mixed cargo.
- Multi-Purpose Ships (MPP) β Handle a combination of bulk, break-bulk, and even containerized cargo.
- Heavy-Lift Ships β Specialized for transporting oversized cargo like turbines, yachts, and industrial machinery.
- Geared Cargo Ships β Fitted with cranes for self-loading, useful in ports without large infrastructure.
- Project Cargo Ships β Designed for complex, oversized shipments requiring custom loading solutions.
Benefits
β Highly flexible β Can carry various cargo types, making them adaptable to changing market needs.
β Self-sufficient loading/unloading β Many have built-in cranes, reducing reliance on port facilities.
β Ideal for remote regions β Can operate in smaller ports where container ships or bulk carriers cannot.
Challenges
β Slower operations β Loading and unloading are less efficient than containerized shipping.
β Higher labor costs β Break-bulk handling requires more manual labor.
β Limited economies of scale β They canβt match the cost-efficiency of bulk carriers for large volumes of a single commodity.
Despite these challenges, general cargo ships remain essential for niche markets, specialized shipments, and remote trade routes where larger vessels cannot operate. π’
ShipUniverse: General Cargo Ship Classifications and Fuel Consumption | |||
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General Cargo Ship Type | Size (Length) | Capacity (Tonnes) | Fuel Consumption (Tons/Day) |
Small General Cargo Ships | Under 100 meters | Up to a few thousand tonnes | 10β20 tons |
Multi-Purpose Ships | 100β150 meters | More varied cargo, break-bulk & containers | 20β30 tons |
Heavy-Lift Ships | 100β160 meters | Oversized cargo, heavy machinery | 30β40 tons |
Geared Cargo Ships | 100β200 meters | Fitted with cranes for self-loading | 20β35 tons |
Project Cargo Ships | 150β220 meters | Specialized for industrial equipment | 30β50 tons |

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