
The capacity of a fuel truck varies depending on its size and intended use. Smaller fuel trucks, typically used to transport light liquid cargo within a local community, have a capacity of under 11,000 litres (3,000 US gallons). These trucks are often used to deliver liquefied petroleum gas to homes and businesses. Larger fuel trucks, on the other hand, can transport more than 11,000 US gallons and carry various liquids, including hazardous materials. Semi-trucks, a common type of fuel truck, typically hold between 120 and 150 gallons of fuel per tank, with some customised semi-truck tanks offering larger capacities of up to 400 gallons. The size, make, model, and year of the truck all play a role in determining the number and size of its fuel tanks.
Fuel Truck Characteristics
| Characteristics | Values |
|---|---|
| Typical capacity | 120-150 gallons |
| Customized capacity | 160, 260, or 400 gallons |
| Small tanker capacity | Less than 1,000 gallons |
| Large tanker capacity | More than 11,000 gallons |
| LPG tanker capacity | 3,499 US gallons |
| Large truck capacity | 21,000 to 44,000 litres |
| Quad tanker capacity | 120,000 litres |
| Tank shape | Cylindrical, horizontal |
| Tank material | Aluminum, carbon steel, stainless steel, fibre-reinforced plastic |
| Tank compartments | Multiple |
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What You'll Learn

Semi-trucks hold 120-150 gallons per tank
The amount of fuel a truck can hold depends on various factors, including the size, make, model, and year of the truck. Semi-trucks typically hold 120–150 gallons of fuel per tank. Some sources state that a typical semi-truck can hold 105 gallons of fuel, while others provide a range of 12,000 to 24,000 gallons for a gas station's fuel storage tank.
The variability in fuel capacity is due to the presence of one or two fuel tanks in semi-trucks, with each tank holding up to 150 gallons. To optimize fuel efficiency and comply with weight restrictions, it is recommended to fill a tank to 95% of its capacity. This precaution also helps to prevent spills and accommodate for diesel expansion due to temperature changes.
The weight of the fuel is an important consideration for semi-trucks. As diesel fuel weighs about seven pounds per gallon, a semi-truck's fuel tank can weigh anywhere from 840 to 1,065 pounds. By being mindful of the weight and size of the tank, truckers can avoid fines and comply with Department of Transportation (DOT) regulations.
Additionally, tanker trucks used for transporting liquid cargo or fueling aircraft at airports tend to have smaller capacities, typically carrying less than 1,000 gallons. Larger tanker trucks can transport more than 11,000 gallons and are often used for hazardous materials or a variety of liquids.
Customized semi-truck fuel tanks are also available, with common capacities of 160, 260, or 400 gallons for businesses requiring longer travel distances without refueling.
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Smaller tanker trucks carry less than 1,000 gallons
Smaller tanker trucks, typically used for transporting liquid cargo within a local community, carry less than 1,000 gallons. These trucks are often used to deliver liquefied petroleum gas to homes and to fuel aircraft at airports. They can also be used to empty septic tanks and transport the sludge to a treatment site. The smallest of these trucks usually carry about 1,000 US gallons (830 imperial gallons or 3,800 litres) of liquefied petroleum gas under pressure.
Smaller tanker trucks are also used to deliver fuel to households, businesses and industries. These trucks typically have a maximum capacity of 3,000 US gallons (2,500 imperial gallons or 11,000 litres).
In comparison, larger tanker trucks have a capacity ranging from 5,500 to 11,600 US gallons (4,600 to 9,700 imperial gallons or 21,000 to 44,000 litres). Semi-trucks, a type of large tanker truck, typically hold 120 to 150 gallons of fuel per tank, with some customised semi-truck tanks holding up to 400 gallons.
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Large tankers carry over 11,000 gallons
The capacity of a fuel truck depends on its size. Smaller tanker trucks, which typically serve local communities, carry less than 1,000 gallons of liquid cargo. These are often used to deliver liquefied petroleum gas to homes, or to fuel aircraft at airports.
Large tankers, on the other hand, can carry over 11,000 gallons. These trucks are used to transport various liquids, including hazardous materials, gasoline, diesel, liquefied petroleum gas, and industrial chemicals. They are also capable of carrying several different liquids at the same time, using multiple compartments to stabilise the truck and increase transport efficiency.
The exact capacity of a large tanker will depend on its make, model, and year. For example, large trucks can have capacities ranging from 5,500 to 11,600 gallons, with some even exceeding 32,000 gallons.
It's worth noting that the weight and size of the tank are important considerations for compliance with weight restrictions and regulations. The density of the liquid being transported also affects the tanker's maximum carrying capacity.
Additionally, while larger tanks can increase the distance travelled between refuels, it's recommended to fill a tank to only 95% of its capacity to avoid spills and maintain fuel efficiency.
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Gas stations' fuel storage tanks range from 12,000 to 24,000 gallons
The capacity of a fuel truck varies depending on its intended use. Smaller tank trucks with a capacity of under 11,000 litres (3,000 US gallons) are typically used for light liquid cargo within a local community. For example, they are often used to empty septic tanks and deliver the collected sludge to a treatment site. They can also be used to deliver liquefied petroleum gas (LPG) to homes, businesses, and industries. These trucks usually carry about 3,800 litres (1,000 US gallons) of LPG under pressure.
Vacuum trucks, a type of small tanker, typically have a maximum capacity of 11,000 litres (3,000 US gallons). They are used for similar purposes as the smaller tank trucks mentioned above.
Larger tank trucks, on the other hand, are used to transport gasoline, diesel, and liquefied petroleum or natural gas to filling stations. They also carry a wide range of other liquid goods, such as liquid sugar, molasses, milk, wine, juices, water, and industrial chemicals. These larger trucks typically have capacities ranging from 21,000 to 44,000 litres (5,500 to 11,600 US gallons).
Gas station fuel storage tanks, which are filled by these large tanker trucks, range in capacity from 12,000 to 24,000 gallons of each 87 and 91 octane per station, not per pump. Some smaller tanks of 10,000 gallons or less are being phased out.
It is important to note that the weight and size of a fuel truck's tank can impact compliance with weight restrictions and regulations set by organizations like the Federal Motor Carrier Safety Administration (FMCSA) and the Department of Transportation (DOT). For example, semi-trucks typically have fuel tanks that hold 120-150 gallons of fuel, with some custom tanks holding up to 160, 260, or 400 gallons.
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Customised semi-truck tanks can hold 160, 260, or 400 gallons
The capacity of a fuel truck depends on its size and intended use. Smaller tank trucks with a capacity of under 11,000 litres (3,000 US gallons) are typically used for light liquid cargo within a local community. These trucks are often used to empty septic tanks and deliver liquefied faecal sludge to treatment sites, or to deliver liquefied petroleum gas (LPG) to homes, businesses, and industries. The smallest trucks in this category carry about 3,800 litres (1,000 US gallons) of LPG under pressure, while the largest can carry up to 3,499 US gallons (13,250 litres).
Larger tank trucks are used to transport gasoline, diesel, and liquefied petroleum or natural gas to filling stations. They also carry a wide range of other liquid goods, including liquid sugar, molasses, milk, wine, juices, water, and industrial chemicals. These trucks typically have capacities ranging from 21,000 to 44,000 litres (5,500 to 11,600 US gallons). In Australia, some road trains can carry loads exceeding 120,000 litres (32,000 US gallons).
A typical semi-truck can hold 105 gallons of fuel, but customised semi-truck tanks can hold 160, 260, or 400 gallons. This is a significant increase in capacity, which allows the truck to travel greater distances without needing to refuel. This can be particularly advantageous for businesses that require long-distance travel.
It is important to note that the weight and size of the tank can impact compliance with weight restrictions and regulations set by authorities, such as the Department of Transportation (DOT) in the United States. Therefore, it is crucial to consider not only the capacity of the tank but also the resulting weight of the truck to avoid fines and ensure safe operations.
Additionally, to reduce the risk of spills and manage fuel expansion due to temperature changes, it is recommended to fill a tank to only 95% of its capacity. This practice helps to ensure environmental safety and maintain fuel efficiency.
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Frequently asked questions
Semi-trucks typically hold between 120 and 150 gallons of fuel per tank. The number of tanks a semi-truck has depends on its size, make, model, and year.
Large tanker trucks typically hold more than 11,000 gallons of fuel. They are used to transport various liquids, including hazardous materials.
Small tanker trucks typically hold less than 1,000 gallons of fuel. They are commonly used to deliver liquefied petroleum gas to homes.











































