
The RAM 5500 is a powerful truck with impressive fuel capacity. The 2021 model offers a dual fuel tank option, with a 52-gallon main tank and a 22-gallon supplementary tank, providing a total capacity of 74 gallons. This substantial fuel capacity translates to a remarkable range of up to 1000 miles, which is a significant advantage in the face of fluctuating fuel prices. The placement of the fuel tank is at the end of the frame, a design choice that maximizes space and efficiency. With its robust fuel capacity and efficient design, the RAM 5500 is an attractive option for those seeking a dependable and long-distance workhorse.
| Characteristics | Values |
|---|---|
| Fuel tank capacity | 52 gallons |
| Mile range | 700 miles |
| Dual tank capacity | 52 gallons and 22 gallons |
| Total capacity with dual tank | 74 gallons |
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What You'll Learn

The 2021 Dodge 5500 has dual fuel tank options
The dual tank system operates with the smaller 22-gallon tank acting as the master tank, while the 52-gallon tank functions as the slave tank. In this configuration, the 52-gallon tank supplies fuel to the 22-gallon tank, which then feeds the injector pump. This differs from a single 52-gallon tank setup, where the plumbing is typically directed straight to the fuel separator.
The placement of the fuel tanks in the 2021 Dodge 5500 is designed to optimize space and efficiency. The main 52-gallon tank is positioned at the end of the frame, while the supplemental 22-gallon tank can be ordered as a mid-ship tank. This mid-ship tank option is located in the middle of the vehicle's chassis, providing a balanced weight distribution and maximizing the available space.
The dual fuel tank configuration offers several benefits to owners of the 2021 Dodge 5500. Firstly, it provides an extended range, allowing for approximately 700 miles between refills. This range can be a crucial factor for those who travel long distances or have specific fueling preferences. Additionally, the dual tank setup ensures a steady fuel supply to the engine, enhancing performance and efficiency.
For those considering the 2021 Dodge 5500 with dual fuel tanks, it is important to note that the supplemental 22-gallon tank may require additional modifications for a seamless integration. These modifications can include plumbing adjustments and enabling the sales code for the 22-gallon tank through the BCM (Body Control Module). It is recommended to consult with a professional or refer to the manufacturer's guidelines for accurate information regarding the installation and requirements of the dual fuel tank system.
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The 52-gallon tank can be used with a 22-gallon tank
The Ram 5500 has a 52-gallon fuel tank as standard. This tank is typically located at the end of the frame, rather than in a midship position. However, some users have opted for a dual-tank setup, combining the 52-gallon tank with a 22-gallon midship tank.
In this dual-tank configuration, the 52-gallon tank serves as the slave tank, feeding the 22-gallon master tank. The 22-gallon tank then supplies fuel to the injector pump via a fuel separator. This arrangement requires specific plumbing and configuration, including enabling the sales code for the 22-gallon tank through the BCM (Body Control Module).
The addition of the 22-gallon tank as a midship supplement provides several benefits. Firstly, it increases the overall fuel capacity, reducing the frequency of refuelling stops. This can be particularly advantageous for long-distance travel or in areas with limited fuel options. Secondly, the midship tank location may offer a more balanced weight distribution compared to a single rear-mounted tank, potentially improving handling and ride quality.
However, there are also considerations to make when opting for the dual-tank setup. The additional tank and associated plumbing may impact the available space and mounting options for other components, such as the spare tire. It is essential to carefully plan and assess the feasibility of this configuration for your specific vehicle and usage requirements.
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Fuel tank placement varies across models
The Ram 5500 also offers a dual-fuel tank option, with a 52-gallon tank and a 22-gallon tank working together. In this setup, the smaller 22-gallon tank is the master tank, and the 52-gallon tank is the slave tank. The plumbing is different from the single 52-gallon tank setup, with the 52-gallon tank plumbed directly to the 22-gallon tank, which then goes through the separator to the injector pump.
Some owners of the Ram 5500 have reported a range of around 700 miles with the 52-gallon tank, while others have reported a range of only 400-500 miles. The addition of the 22-gallon midship tank can increase the total fuel capacity to 74 gallons, providing a potential range of up to 1000 miles.
The placement of the fuel tank in the Ram 5500 models appears to depend on the wheelbase and intended use of the truck. The long wheelbase models with a midship tank are often used as flatbed tow trucks, while the models with the fuel tank at the end of the frame may be more common in cab and chassis configurations.
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Some models have a 74-gallon capacity
The RAM 5500 fuel tank capacity varies depending on the model. Some models have a 74-gallon capacity, which is a significant upgrade from the 32 or 35-gallon tanks found in some other trucks. This larger capacity can provide a range of up to 1000 miles, which is very convenient given today's variable fuel prices.
The 2021 Dodge 5500, for example, offers dual fuel tanks with a total capacity of 74 gallons when combining the 52-gallon and 22-gallon tanks. In this setup, the smaller 22-gallon tank acts as the master, and the 52-gallon tank is the slave. The plumbing is designed so that the 52-gallon tank feeds the 22-gallon tank, which then feeds the injector pump.
It is worth noting that some RAM 5500 models have the fuel tank placed at the end of the frame, while others may have a midship tank. The placement of the fuel tank can impact the available space for other components and the overall weight distribution of the vehicle.
For those seeking even more fuel capacity, it may be possible to order a 22-gallon mid-ship tank as a supplement to the main 52-gallon tank. However, this configuration would require careful consideration of the plumbing and mounting options, as it may not be possible to mount the spare tire in the typical location under the rear frame.
The RAM 5500's fuel tank capacity and configuration options provide flexibility and can cater to various usage scenarios. The larger fuel capacity can provide peace of mind and help mitigate the impact of fluctuating fuel prices.
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The 52-gallon tank can provide a 700-mile range
The Ram 5500 has a 52-gallon fuel tank. This large tank can provide a 700-mile range, which is impressive and offers flexibility for drivers. The 52-gallon tank is the main tank, and it can be supplemented by an additional 22-gallon tank, bringing the total capacity to 74 gallons. This would further extend the vehicle's range.
The Ram 5500's fuel tank is placed at the end of the frame, which is a different design from some other models that feature a midship tank. The midship tank is available as an option on certain models, but it is usually a supplement to the main 52-gallon tank. The placement of the fuel tank can vary depending on the configuration and preferences of the buyer.
The large fuel tank capacity of the Ram 5500 provides several benefits to its owners. Firstly, it allows for extended driving ranges, as mentioned earlier. This can be particularly useful for long-distance trips or when travelling in areas where fuel stations are scarce. Secondly, with a larger tank, drivers can take advantage of fuel price variations and fill up at their preferred locations without worrying about frequent refuelling stops.
The 700-mile range provided by the 52-gallon tank is based on real-world usage and has been confirmed by multiple users. However, some factors can impact this range, such as driving habits, terrain, and vehicle load. The Ram 5500 is a versatile vehicle, and its fuel tank options cater to various needs, whether it's the standard 52-gallon setup or the dual-tank configuration for even greater capacity.
In conclusion, the 52-gallon fuel tank in the Ram 5500 provides a substantial 700-mile range, offering convenience and flexibility to its owners. The option of an additional 22-gallon tank further enhances its capabilities, making the Ram 5500 a vehicle well-suited for those seeking extended driving ranges and the freedom to explore without frequent refuelling stops.
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Frequently asked questions
The RAM 4500 and 5500 models have the option of dual fuel tanks, with a 52-gallon tank and a 22-gallon tank.
The 52-gallon tank provides a range of around 700 miles, depending on usage and conditions.
Yes, it is possible to add a 22-gallon tank to the 52-gallon setup, but it will require additional plumbing and enabling of the sales code through the BCM.
Yes, you can order a RAM 5500 with a midship 22-gallon fuel tank, but it will be a supplemental tank to the main 52-gallon tank.
The total fuel capacity of a RAM 5500 with dual fuel tanks (52 gallons and 22 gallons) is 74 gallons.
































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