
The MEP-803A is a powerful generator that can provide significant electrical output. With a fuel capacity of 9 gallons (34 liters), it offers extended runtime, making it a reliable option for backup power or off-grid applications. However, the specific fuel consumption of the MEP-803A is a key consideration, as it impacts the overall efficiency and operating costs. Understanding how much fuel the MEP-803A consumes under different load conditions is essential for users to make informed decisions about their power needs and fuel management strategies.
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What You'll Learn

The MEP-803A's fuel tank capacity is 9 gallons
The MEP-803A is a powerful generator, producing 10,000 watts of electric power. It has a fuel tank capacity of 9 gallons, which allows for eight hours of continuous operation at a full load. This is because the MEP-803A consumes fuel at a rate of 0.99 gallons per hour.
The MEP-803A is a popular choice for those seeking a reliable source of power, with some users reporting that their generator has been running for extended periods without issue. The MEP-803A is also capable of powering a range of devices, from plasma TVs and computers to outdoor wood furnaces.
When considering the MEP-803A, it is important to note that it has specific fuel requirements. It is designed to use DF-1, DF-2, JP-4, JP-5, or JP-8 fuel and should not use anything with ethanol content. Additionally, some users have reported using diesel fuel with red dye and no road tax, commonly referred to as Diesel Fuel #2.
The MEP-803A also has an auxiliary fuel system that can be used to continuously replenish the generator's fuel supply. This is a useful feature, especially during power outages or natural disasters, as it ensures that the generator can run for extended periods without the need for frequent refuelling.
Overall, the MEP-803A's 9-gallon fuel tank capacity provides a generous amount of fuel for its size and power output, making it a reliable and efficient choice for those seeking a generator for their home or business.
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It can run for eight hours at a full load
The MEP-803A is a powerful generator, producing 10,000 watts of electric power. It is fully enclosed and self-contained, weighing 1,140 lbs dry and 1,242 lbs with a full fuel tank. Its fuel tank holds nine gallons (34 litres), allowing for eight hours of continuous operation at a full load. This means the MEP-803A will consume 0.99 gallons (3.75 litres) per hour.
The MEP-803A is a popular choice for those seeking a reliable source of power, especially during power outages caused by storms or hurricanes. Some users opt for auxiliary fuel tanks to ensure they have enough fuel to run the generator for extended periods. The MEP-803A is designed to use DF-1, DF-2, JP-4, JP-5, or JP-8 fuel, and it has a 24VDC cranking system.
When deciding between the MEP-803A and other models, such as the MEP-802A, some consider the higher power output of the 803A to be advantageous, while others worry about the potential waste of fuel when the full power is not needed. The MEP-803A is also heavier and may be more challenging to transport and set up than smaller generators.
Overall, the MEP-803A is a robust and efficient generator capable of providing a significant amount of power for up to eight hours at a full load. With proper fuel management and auxiliary fuel tanks, it can be a reliable source of power during extended periods of outages or for those with specific power requirements.
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It consumes 0.99 gallons per hour
The MEP 803A is a powerful generator, producing 10,000 watts of electric power. It is a self-contained, fully enclosed unit, weighing 1,140 lbs dry and 1,242 lbs with a full fuel tank. The MEP 803A's fuel consumption is an efficient 0.99 gallons per hour, allowing for eight hours of continuous operation at a full load. This equates to a total fuel capacity of nine gallons (34 litres).
This generator is an excellent option for those seeking a reliable and efficient power source. Its fuel consumption rate of 0.99 gallons per hour means it can provide a substantial amount of power for an extended duration. This makes it ideal for situations where a consistent and long-lasting power supply is required.
The MEP 803A's fuel efficiency is a notable advantage, particularly when compared to similar generators. Its ability to provide eight hours of continuous operation at full load ensures a reliable and uninterrupted power source. This feature is especially beneficial during power outages, natural disasters, or in locations with unstable power grids.
The generator's fuel consumption rate also contributes to its cost-effectiveness. With a low fuel consumption rate, users can save on fuel costs over time. This makes the MEP 803A a more economical choice, especially for those who require a generator for extended periods or as a primary power source.
Additionally, the MEP 803A's fuel efficiency can be further optimised by connecting it to an auxiliary fuel system. This allows for continuous replenishment of fuel, ensuring an uninterrupted power supply. The generator is designed to use various fuel types, including DF-1, DF-2, JP-4, JP-5, or JP-8, providing flexibility in fuel choice.
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It can be connected to an auxiliary fuel system
The MEP-803A is a powerful generator, producing 10,000 watts of electric power. It has a 9-gallon (34-litre) fuel tank, which allows for eight hours of continuous operation at a full load. However, connecting it to an auxiliary fuel system can enhance its performance and fuel capacity.
The MEP-803A is designed to be compatible with various fuel types, including DF-1, DF-2, JP-4, JP-5, and JP-8. This versatility ensures that users can choose the most suitable and readily available fuel option. When connected to an auxiliary fuel system, the generator will be continually replenished, eliminating the need for frequent refuelling. This feature is particularly advantageous during extended power outages or in locations where fuel accessibility is limited.
The size of the auxiliary fuel tank can vary depending on individual needs and preferences. Some users opt for 55-gallon drums, while others prefer 100-gallon tanks for prolonged usage. The choice of auxiliary fuel tank size depends on factors such as expected outage duration, fuel availability, and storage capacity.
Auxiliary fuel systems offer several benefits to MEP-803A users. Firstly, they provide a larger fuel capacity, reducing the frequency of refuelling, which is especially useful during emergencies or natural disasters. Secondly, by connecting to an auxiliary fuel system, users can strategically manage their fuel usage, only running the generator during specific times as needed. This flexibility helps optimise fuel efficiency and reduces unnecessary fuel consumption.
Additionally, some users have shared their experiences with auxiliary fuel tanks, recommending easily transportable and legally compliant options. Heating oil tanks, for example, are noted for their resilience and safety in fuel storage. Considering the potential challenges of fuel accessibility during extended outages, as highlighted by users, having a well-prepared auxiliary fuel system can provide peace of mind and ensure the MEP-803A's reliable performance.
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It can use Diesel Fuel #2
The MEP-803A is a powerful generator with a fuel capacity of 9 gallons (34 liters). This allows for eight hours of continuous operation at a full load, with a fuel consumption rate of 0.99 gallons (3.75 liters) per hour.
When it comes to fuel type, the MEP-803A is designed for versatility. It can use Diesel Fuel #2, also known as home heating oil or off-road diesel. Diesel Fuel #2 is a specific type of diesel that contains red dye and is not subject to road tax. This type of fuel is commonly used in construction equipment and agricultural machinery.
It is important to note that the MEP-803A should not use fuel with any ethanol content. Additionally, the Army recommends using fuel with a low sulfur content, specifically fuel with less than 1.6% sulfur, as higher sulfur content can contribute to air pollution and negatively impact the environment.
The MEP-803A can also be connected to an auxiliary fuel system, which will continuously replenish its fuel supply. This feature ensures that the generator can run for extended periods without the need for frequent refueling, making it a reliable source of power during outages or in remote locations.
By using Diesel Fuel #2 and taking advantage of its auxiliary fuel capabilities, the MEP-803A offers a flexible and efficient solution for power generation, making it a popular choice for both residential and commercial applications.
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Frequently asked questions
The MEP-803A is equipped with a 9-gallon (34-liter) fuel tank, allowing eight hours of continuous operation at a full load.
The MEP-803A will consume 0.99 gallons (3.75 liters) per hour. If you are running a light/medium load, you need to plan for 0.7 gallons per hour on average.
The MEP-803A can run for eight hours without refueling at a full load. Some users have reported running the generator for 16 hours straight without refueling.
































