
The Cummins Onan QG 7000 EVAP Gasoline 7kW RV Generator is a powerful and efficient generator, providing up to 7000 watts of power. With such a high power output, it's important to consider the fuel consumption of this generator. The fuel consumption of a generator is a crucial factor in determining its cost-effectiveness and suitability for your needs. So, how much fuel does the Cummins Onan QG 7000 generator use, and how does it compare to other generators in its class?
| Characteristics | Values |
|---|---|
| Watt | 7000 |
| Fuel Type | Gasoline |
| Rated Amps | 58.3 Amps |
| Decibel Rating @ 3m | 67 |
| Fuel Consumption | 0.4-1.2 gallons/hr |
| Circuit Breaker Size | 30 Amps |
| Min. Air Inlet - Front | 4.7" x 18.7" |
| Min. Air Outlet - Bottom | 6.3" x 17.8" |
| Grade Type | Recreational |
| Engine Brand | Cummins Onan |
| Starting System | 12-Volt Button Start |
| HP | 14 HP |
| CC | 653 CC |
| Consumer Engine Warranty | 3 Years |
| Low Oil Alert/Shutdown | Yes |
| Cast Iron Sleeve | Yes |
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What You'll Learn
- The Cummins Onan QG 7000 EVAP gasoline generator is rated at 0.4-1.2 gallons/hr
- The generator's fuel consumption is rated at 0.3 gallons/hr with no load
- At half load, the generator consumes 0.6 gallons/hr
- The generator consumes 0.9 gallons/hr at full load
- The Cummins Onan QG 7000 meets EPA Phase 3 standards and specifications

The Cummins Onan QG 7000 EVAP gasoline generator is rated at 0.4-1.2 gallons/hr
The Cummins Onan QG 7000 EVAP gasoline generator is a powerful tool for those seeking a high-wattage generator. With a wattage of 7000 and a horsepower of 14 HP, this generator is perfect for those who require a significant amount of power.
In terms of fuel consumption, the generator is rated at 0.4-1.2 gallons per hour. This range is quite broad and will depend on various factors, including the load on the generator. For example, when the generator is under a full load, it will consume more fuel than when it is at no load. Additionally, factors such as the ambient temperature and the condition of the generator can also impact fuel consumption.
The fuel consumption rating of 0.4-1.2 gallons per hour indicates that the generator will use between 0.4 and 1.2 gallons of fuel for each hour of operation. This range is quite standard for generators of similar wattage, and the lower end of the range is quite efficient.
To ensure optimal fuel efficiency, it is important to maintain the generator according to the manufacturer's recommendations. Regular maintenance can help to ensure that the generator is running at peak performance and can also help to identify any potential issues before they become more significant problems. Proper maintenance can also help to extend the lifespan of the generator, ensuring that it provides reliable power for many years.
In summary, the Cummins Onan QG 7000 EVAP gasoline generator is a powerful and reliable option for those in need of a high-wattage generator. With a fuel consumption rating of 0.4-1.2 gallons per hour, it offers efficient performance, although actual usage may vary depending on load and other factors. Regular maintenance and careful usage can help ensure optimal fuel efficiency and prolong the lifespan of the generator.
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The generator's fuel consumption is rated at 0.3 gallons/hr with no load
The Onan 7000-watt generator is a powerful tool, providing enough energy to run two air conditioners with a 2000-watt baseload and power to spare. With a 3-year warranty, it is a reliable and efficient option for those seeking a high-powered generator.
When it comes to fuel consumption, the generator is rated at 0.3 gallons per hour with no load. This means that when the generator is running but not actively powering any devices, it will consume fuel at a rate of 0.3 gallons per hour. This is an impressive fuel consumption rating, indicating efficient performance.
In comparison, when the generator is operating at half load, the fuel consumption increases to 0.6 gallons per hour, and at full load, it can reach up to 0.9 gallons per hour. These values are still quite competitive and showcase the generator's ability to manage fuel usage effectively.
It is worth noting that the fuel consumption rates provided are averages and may vary slightly depending on various factors, such as operating conditions and the specific model of the Onan 7000-watt generator.
Overall, the Onan 7000-watt generator's fuel consumption rating of 0.3 gallons per hour with no load demonstrates its efficiency and performance capabilities, making it a reliable choice for those seeking a high-powered generator solution.
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At half load, the generator consumes 0.6 gallons/hr
The Cummins Onan QG 7000 EVAP Gasoline 7kW RV Generator is a powerful and efficient option for those seeking a high-wattage generator. With a wattage of 7000, this generator can meet a variety of energy needs, from powering recreational vehicles to providing backup electricity for homes.
When considering any generator, it is essential to examine its fuel consumption, as this directly impacts the overall cost of ownership and the frequency of refuelling. The Cummins Onan QG 7000, in particular, consumes fuel at a rate that depends on its load.
At half load, the generator consumes 0.6 gallons per hour. This rate of consumption strikes a balance between maximising the generator's output and minimising fuel usage. By operating the generator at half load, users can benefit from a steady fuel burn while still harnessing a significant portion of the generator's power.
Compared to other load levels, half load offers a more efficient fuel burn than full load while producing more power than no load. For example, the Cummins Onan QG 7000 consumes 0.9 gallons per hour at full load and 0.3 gallons per hour at no load. Therefore, running the generator at half load can be a strategic choice to optimise fuel efficiency while still meeting moderate to high power demands.
Additionally, it is worth noting that the fuel consumption of the Cummins Onan QG 7000 falls within the expected range for generators of similar wattage. For instance, the Onan 5500 generator, which produces less power at 5500 watts, consumes fuel at a rate of 0.6 gallons per hour at half load. This comparison highlights that higher wattage generators tend to require more fuel to operate, and the Cummins Onan QG 7000's fuel consumption aligns with this trend.
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The generator consumes 0.9 gallons/hr at full load
The Onan 7000-watt generator consumes 0.9 gallons of fuel per hour at full load. This is a fairly efficient fuel consumption rating, especially compared to other Onan generators.
The fuel consumption of a generator is an important consideration when purchasing one. A generator with good fuel consumption and a good price will be the best choice for short and long-term use.
The Onan 7000-watt generator is a good option for those seeking a generator with a high power output and an efficient fuel consumption rating. This generator is also a good choice for those who want a quiet generator, as it meets EPA requirements and has exceptionally low vibration levels.
However, it is important to note that fuel consumption can vary depending on the load. For example, the same generator will consume 0.4 gallons per hour at no load and 1.2 gallons per hour at its top end. Therefore, it is important to consider the specific needs and usage of the generator when determining if it is the right choice.
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The Cummins Onan QG 7000 meets EPA Phase 3 standards and specifications
The Cummins Onan QG 7000 is a powerful generator that meets EPA Phase 3 standards and specifications. This makes it perfect for a range of applications, including trailers, diesel chassis, and other non-motorized mobile uses. It is a popular choice for RV owners due to its quiet operation and low vibration levels.
One of the key advantages of the Cummins Onan QG 7000 is its compliance with EPA Phase 3 standards. This means it meets the stringent environmental standards set by the Environmental Protection Agency, ensuring that it has minimal impact on air quality and emissions. This makes it a more environmentally friendly option compared to other generators that do not meet these standards.
The generator is designed to provide reliable and efficient power for a variety of applications. With a 7kW output, it can easily handle high-power demands, such as running two air conditioners with a 2000-watt baseload and still having power to spare. This makes it an ideal choice for RVs, trailers, and campers, providing all the power you need while on the road.
In addition to its power and environmental considerations, the Cummins Onan QG 7000 also offers a range of features that make it a convenient and user-friendly option. It incorporates a digital voltage regulator, frequency regulation, and a single-pole 30-Amp circuit breaker. It also includes 125-inch-long generator output leads, making it easy to connect to your RV or trailer.
The Cummins Onan QG 7000 is a reliable and efficient generator that meets the highest standards for performance and environmental impact. With its powerful output, quiet operation, and convenient features, it is a popular choice for those seeking a reliable power source for their mobile applications. The generator's compliance with EPA Phase 3 standards ensures that it is not only a powerful tool but also a responsible choice for those concerned about their environmental footprint.
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Frequently asked questions
The 7000-watt Onan generator uses 0.4-1.2 gallons of fuel per hour.
The 7000-watt Onan generator uses gasoline as its fuel type.
The rated amp of the 7000-watt Onan generator is 58.3 Amps.











































