Gas Powered Generator for Sale - Compare Prices & Suppliers

Gas Powered Generator Suppliers

Updated Apr 22, 2026

Genquip Power Products | Water pumps, generators, engines
Genquip Power Products have been supplying the Australian market since 2004 with high quality reliable products that also deliver on price. All Genquip products are manufactured to the highest standards by our Chinese manufacturing team, are extensively tested both at the factory and again before they leave our warehouse to you. You also have the assurance that all products we ...

Kohler Gas Powered Generator – LPG | 110kVA 125RZGC

This Industrial Gas Generators are manufactured in the U.S.A to provide maximum performance, flexibility and fuel efficiency. Fitted with a ...

Gas Powered Generator Buying Guide

What size generator do I need for my home or business?

It is also important to consider the fuel type, runtime, noise level, and other features when selecting a generator. It is recommended to consult with a licensed electrician or generator expert for a more precise recommendation based on your specific needs and circumstances.

What type of fuel should I use for my gas-powered generator?

Gas-powered generators typically run on gasoline, which is widely available and easy to obtain. It is important to use clean, fresh gasoline with a minimum octane rating of 8 Avoid using gas that contains ethanol, as it can cause damage to the engine and shorten the lifespan of the generator. It is also important to store gasoline properly in a cool, dry place in a container designed for gasoline storage. Always follow the manufacturer's instructions for fueling and maintaining your generator.

How loud are gas-powered generators and are there any noise restrictions?

Gas-powered generators can produce noise levels ranging from 50 decibels (dB) to over 100 dB, depending on the size and power output of the generator. In general, larger generators will produce more noise than smaller ones.

There are noise restrictions in place in many areas that limit the amount of noise that a generator can produce. These restrictions may be set by local governments, homeowner associations, or other organizations.
The specific noise restrictions that apply to gas-powered generators will vary depending on the location and the specific generator being used. Some areas may have strict noise limits that require generators to be operated at low volumes or during certain times of the day.

To ensure compliance with noise restrictions, it is important to check the regulations in your area before purchasing and using a gas-powered generator. Additionally, it is important to choose a generator that is designed to operate quietly, with features such as noise-reducing mufflers and sound-absorbing materials.

How long can a gas-powered generator run on a full tank of fuel?

A gas-powered generator can run on a full tank of fuel for anywhere from 8 to 24 hours, depending on the size of the generator and the amount of power being used. Most generators have a fuel gauge or hour meter that can help you monitor the fuel level and estimate how much longer the generator will run. It's important to keep the generator well-maintained and use the appropriate fuel type to ensure optimal performance and longevity. Additionally, it's important to have a plan for refueling the generator in case of extended power outages or emergencies.

How often do I need to maintain my gas-powered generator?

The frequency of maintenance depends on how often the generator is used and the manufacturer's recommendations. Typically, it is recommended to perform maintenance every 50-100 hours of use or at least once a year, whichever comes first. Maintenance tasks may include changing the oil, replacing the air filter, inspecting the spark plug, and checking the fuel system. It's best to consult the owner's manual for specific maintenance instructions.

Can I use a gas-powered generator indoors or in enclosed spaces?

No, you should not use a gas-powered generator indoors or in enclosed spaces. Gas-powered generators emit carbon monoxide, which is a deadly gas that can quickly build up in enclosed spaces and cause suffocation. It is important to always use gas-powered generators in well-ventilated areas, such as outdoors or in a well-ventilated shed or garage. Additionally, it is important to follow all safety precautions and instructions provided by the manufacturer when using a gas-powered generator to prevent accidents and injuries.

Are gas-powered generators safe to use during a power outage or emergency situation?

Gas-powered generators can be safe to use during a power outage or emergency situation if they are used properly and with caution. Some of the safety precautions that should be taken when using a gas-powered generator include:

Always use the generator outdoors and in a well-ventilated area to prevent carbon monoxide buildup.
Keep the generator away from flammable materials and sources of heat, such as fire pits or grills.
Follow the manufacturer's instructions for fueling and starting the generator.
Avoid overloading the generator by not connecting too many devices or appliances.
Keep children and pets away from the generator at all times.
Turn off the generator before refueling or performing maintenance.

Overall, gas-powered generators can be a reliable source of backup power during emergencies, but they require careful handling to avoid accidents and injuries.

Can I connect my gas-powered generator to my home's electrical panel?

Yes, it is possible to connect a gas-powered generator to your home's electrical panel using a transfer switch. A transfer switch ensures that your generator is isolated from the main power grid, preventing any electrical feedback that could damage your generator or injure utility workers. It also allows you to power essential appliances and devices in your home during a power outage.

How much does a gas-powered generator cost to operate?

Gas-powered generators are a popular backup power source during power outages or when off-grid. The cost to operate a gas-powered generator depends on several factors, including the generator's fuel efficiency, the cost of gasoline, and how often the generator is used.

The fuel efficiency of a generator is measured in terms of the amount of gasoline it consumes per hour of operation. For example, a 5,000-watt generator may consume 0.7 gallons of gasoline per hour of operation at half load. The cost of gasoline varies by location, but as of August 2021, the average price of gasoline in the United States is around $14 per gallon.
Using the example above, if the generator is run for 8 hours at half load, it would consume 6 gallons of gasoline, costing around $15 If the generator is run for longer periods or at higher loads, the fuel consumption and cost would be higher.
It's important to note that gas-powered generators require regular maintenance, such as oil changes, filter replacements, and spark plug replacements. These maintenance costs should also be factored into the overall cost of operating a gas-powered generator.

Overall, the cost to operate a gas-powered generator can vary widely depending on how often it's used, the generator's fuel efficiency, and the cost of gasoline in the area.

What is the warranty on a gas-powered generator and what does it cover?

The warranty on a gas-powered generator varies depending on the manufacturer and model. Typically, these generators come with a warranty ranging from one to five years, although some manufacturers may offer longer or shorter warranties.

The warranty typically covers defects in materials and workmanship, which means that if the generator fails due to a manufacturing defect, the manufacturer will repair or replace it free of charge.
It is important to read the warranty carefully and understand what is covered and what is not. Some warranties may require regular maintenance and servicing, and failure to adhere to these requirements may void the warranty.

Overall, the warranty on a gas-powered generator provides peace of mind and protection against unexpected breakdowns or malfunctions.

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