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9 Best Dual Fuel Generators of 2022 - Complete Buying Guide
Dual fuel generators provide users with the option to run the generator using gasoline or propane. This can be especially useful when gas sources are limited or for campers who carry propane tanks for other uses, such as grilling or heated showers.
Some generators are better optimized for propane, giving you more run-time on a standard 20-pound tank.
When selecting a dual fuel generator, the main thing to consider is your power needs. If you have multiple high-draw appliances or are using a generator to power your RV or trailer, ensure it provides sufficient power.
The Champion 3800-watt generator is an excellent portable dual fuel option for those who need a little extra power. Its running wattage of 3800 watts can power several home, RV, or camping appliances, as well as lights and personal electronics.
The start-up wattage of 4750 watts is enough to power higher draw appliances or power tools. You should buy this dual fuel generator if you are looking for a reliable, all-around unit.
Table of Contents
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PROS
SPECS
Champion 76533 3800-Watt
PROS
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Electric Start
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Low Oil Shut-Off
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3-year limited warranty
SPECS
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Surge Wattage: 4750W
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Running Wattage: 3800W
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Dimensions: 26.3” x 24.8” x 22.9"
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Noise Level: 68 dBA
DuroMax XP12000EH
PROS
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Low Oil Shut-Off
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Idle Control
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All Metal Construction
SPECS
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Surge Wattage: 12000W
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Running Wattage: 9500W
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Dimensions: 30” x 26" x 22"
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457cc DuroMax OHV Engine
Rainier R12000DF
PROS
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One-Touch Power Switch
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VFT Display
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3-Year Limited Warranty
SPECS
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● Surge Wattage: 12000W
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● Running Wattage: 9500W
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Dimensions: 27.2” x 26.1" x 26"
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Noise Level: 72dB
DuroMax XP4400EH
PROS
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All Copper Windings
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GFCI Protected Outlet
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Perfect for RVs
SPECS
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● Surge Wattage: 4400W
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● Running Wattage: 3500W
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Dimensions: 23.8" x 20" x 18"
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Noise level: 69 dB
Westinghouse WGen3600DF
PROS
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Lightweight
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Highly fuel-efficient
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Electric and remote start
SPECS
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● Surge Wattage: 4650W
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● Running Wattage: 3600W
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Dimensions: 23.3” x 22.8” x 21.3"
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Run-time: 18 hours with gas
9 Best Dual Fuel Generators Reviews
1. Champion 76533 3800-Watt Dual-Fuel Generator – Best Dual Fuel Inverter Generator
This dual fuel inverter generator is built with a reliable Champion engine that lasts in camping or survival situations. It also delivers a lot of power, allowing users to run multiple appliances and lights. It has a Touch Start electric starting system and a recoil starter as a backup.
It has a starting power of 4750 watts and running power of 3800 watts, and at a quarter-load, can run 9 hours on gas or 10.5 hours on propane.
Considering its size and high-power output, this inverter generator is still very portable and easy to transport. It also provides excellent value for money, putting out much more power than similarly priced inverter generators. It is high quality and well-built and generates consistent power for multiple electronic devices and appliances. Its panel features multiple outlets protected by VoltGuard technology, including one 120V 30A RV, one 120V 30A locking, and two 120V 20A outlets.
Specs
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Surge Wattage: 4750W
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Running Wattage: 3800W
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Dimensions: 26.3” x 24.8” x 22.9″
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Half-Load Run-time: 9 hours with gas, 10.5 hours with propane
Pros
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Great for RV use with 30A circuit
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High-quality construction
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Provides high start-up wattage
Cons
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Does not have remote start feature
Who Should Get This?
The Champion 3800-watt dual fuel generator is an excellent choice for those who want to power larger appliances, high-draw devices, or an RV.
2. DuroMax XP12000EH Dual-Fuel Generator – Best Dual Fuel Portable Generator
The Duromax XP12000EH is a large generator that delivers a lot of power. Its starting wattage of 12000 watts can power refrigerators, an air conditioner, power tools, lights, and more, while its running wattage of 9500 watts can provide consistent power for several appliances.
Considering its massive power output, this generator weighs only 221 pounds, making it one of the lighter ones in its range. The Duromax XP12000EH offers excellent value, as it puts out much more power than other generators in its price bracket.
On a full tank, this generator can run a half load for 9 hours on gasoline and 4 hours on propane, with an estimated fuel consumption of 0.92 gallons per hour (GPH). It provides two 120V 20A AC outlets, two 30A outlets, and a 50A outlet. It is EPA- and CARB-compliant and has a built-in spark arrestor for safe use anywhere.
Specs
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Surge Wattage: 12000W
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Running Wattage: 9500W
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Dimensions: 30” x 26″ x 22″
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Half-Load Run-time: 9 hours with gas, 4 hours with propane
Pros
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Idle control saves fuel and lowers noise
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Provides a lot of power for appliances
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All-metal construction
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Features 50A outlet
Cons
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Low fuel efficiency
Who Should Get This?
This generator is an excellent choice for those looking to power many high-powered appliances or tools or run power distribution via its 50A circuit.
3. Rainier R12000DF Dual-Fuel Generator – Best Dual Fuel Generator for Home
The Rainier R12000DF offers a lot of power and autonomy for powering your home during an emergency, running power for a fair or outdoor event, or RV or food truck owners looking for more power. It provides a starting wattage of 12000 watts and a running wattage of 9500 watts, able to power high-draw appliances easily and consistently. It is highly fuel-efficient, featuring a 6.6-gallon fuel tank that can run up to 17 hours on a quarter-load, and a 20-pound tank of propane lasts 11 hours.
It has two 120V 20A AC outlets, two 30A outlets, and a 50A outlet for RV or power distribution service. It has a built-in transfer switch as well, making it easy to keep power during an outage. This generator has one of the higher run times of generators its size, making it a great choice for off-grid power solutions.
Specs
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Surge Wattage: 12000W
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Running Wattage: 9500W
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Dimensions: 27.2” x 26.1″ x 26″
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Quarter-Load Run-time: 17 hours with gas, 11 hours with propane
Pros
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Great fuel efficiency provides longer run-time
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Durable and dependable
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Built-in fuel gauge and overload protection
Cons
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Does not have remote start
Who Should Get This?
The Rainier R12000DF is a great choice for those looking for a cost-effective high-power generator that lasts a long time on a full tank.
4. DuroMax XP4400EH Dual-Fuel Generator – Best Quiet Dual Fuel Generator
The DuroMax XP4400EH is an ideal generator to take along with you on camping trips, festivals, or outdoor fairs. It provides a lot of power for its size, while still staying portable and easy to transport. It is EPA- and CARB-compliant and has a spark arrestor so you can safely use it in forested areas. It comes with a wheel kit and folding handle to make moving it around easy.
It puts out 4400 watts of starting power and 3500 watts of running power, making it able to power a number of appliances, including refrigerators, air conditioners, lights, and power tools. It is well-built and durable, can run long periods without failure. Its high fuel efficiency allows it to run for 11.5 hours on gas and 10 hours on propane. For added convenience, it can be turned on using the pull-start, electric start, or remote start mechanisms.
Specs
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Surge Wattage: 4400W
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Running Wattage: 3500W
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Dimensions: 23.8″ x 20″ x 18″
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Half-Load Run-time: 11.5 hours with gas, 10 hours with propane
Pros
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Features pull-start and electric starting mechanisms
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EPA- and CARB-compliant
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Wheel kit and folding handle makes moving easy
Cons
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Not suitable for personal electronics
Who Should Get This?
This dual fuel generator is highly suitable for those who need a portable solution to supplement power to their RV, trailer, outdoor event, or campsite.
5. Westinghouse WGen3600DF Dual-Fuel Generator – Best Value Dual Fuel Generator
The Westinghouse WGen3600DF is a high-quality portable dual fuel generator that provides very high fuel efficiency, consuming only 0.22 gallons per hour. At a quarter-load, this generator can run for 18 hours on a full tank of gas and up to 20 hours on a standard 20-pound tank of propane. You can easily select your fuel source via the easy-to-use switch on its front panel. At its peak, it puts out 4650 watts and runs at 3600 watts, pricing ample power for RVs, trailers, high draw appliances, and lights.
It is lightweight and easy to transport, making it a great choice for those on the go. Additionally, you can start it in three ways: By a pull-start mechanism, electric starter, or remote start. It has two 30A outlets, one of which is RV-ready, two 20A outlets, one DC outlet, and a battery charging port.
Specs
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Surge Wattage: 4650W
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Running Wattage: 3600W
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Dimensions: 23.3” x 22.8” x 21.3″
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Quarter-Load Run-time: 18 hours with gas, 20 hours with propane
Pros
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Features recoil, electric, and remote start
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Highly fuel-efficient
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Lightweight and easy to transport
Cons
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Not the quietest generator
Who Should Get This?
This product is recommended specifically for users looking for the best fuel efficiency in a dual fuel generator for the power that this one offers.
6. Pulsar PG10000B16 Dual-Fuel Generator – Top Choice for Flexibility
The Pulsar Products PG10000B1 is a high-quality dual fuel generator with the unique capability to seamlessly switch fuel sources. Its Switch & Go technology lets you switch between propane and gasoline, even while the generator is in operation. At a half-load, this generator runs for 12 hours on a full tank of gas and 9 hours on a standard 20-pound tank of propane. The gas tank capacity is 6.6 gallons. The ability to switch between them can provide great flexibility for how you use your fuel.
This durable steel framed generator is easy to move, equipped with never-flat wheels and adjustable handle. It puts out a starting power of 10000 watts and a running power of 8000 watts. It features a pull-start and electric start mechanism. It is EPA- and CARB-compliant. The panel has four 120V 20A outlets, one 30A outlet, and one 50A RV-ready outlet.
Specs
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Surge Wattage: 10000W
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Running Wattage: 8000W
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Dimensions: 28.5” x 22.2” x 21.8″
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Half-Load Run-time: 12 hours with gas, 9 hours with propane
Pros
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Switch & Go technology allows easy switching of fuel source
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Has pull-start and electric starter
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EPA emission compliant
Cons
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It is quite heavy
Who Should Get This?
This dual fuel generator is recommended for people looking to take advantage of the Switch & Go system to switch between fuel sources seamlessly.
7. Champion 100165 7500-Watt Dual-Fuel Generator
The Champion 7500 is the smartest generator on the list, including a lot of features that maximize the efficiency of this dual fuel generator. Its Intelligauge meter provides valuable real-time user feedback showing voltage, frequency, and total running hours. It is equipped with VoltGuard overload protection, so you won’t damage the generator if too much is plugged in. Additionally, the Champion 7500 comes with free technical support for your generator’s lifetime.
It puts out a maximum of 9375 watts and runs at 7500 watts, providing plenty of power for appliances, tools, lights, and RVs. It has 4 GFCI 120V 20A outlets and two 30A outlets. It features a Touch-Start system for easy operation, as well as a recoil for backup. It is highly durable and well-constructed, supported by a steel frame. It weighs 95 pounds and is still easily transportable, and it’s built-in wheels make it easy to roll.
Specs
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Surge Wattage: 9375W
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Running Wattage: 7500W
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Dimensions: 27.8” x 28.7” x 26.4″
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Half-Load Run-time: 8 hours with gas, 5.5 hours with propane
Pros
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Intelligauge meter shows voltage, frequency, and lifetime hours
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Features VoltGuard overload protection
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EPA-approved and CARB-compliant
Cons
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Does not have remote start
Who Should Get This?
This dual fuel generator is perfect for individuals who prefer to monitor, protect, and operate their equipment with built-in high-quality electronics and technology.
8. DuroMax XP10000EH Dual Fuel Generator
The DuroMax XP10000EF is a dual fuel generator that provides a great combination of power and portability. It puts out 10000 surge watts and 8000 running watts, able to power several high draw devices, appliances, and lights. It is also RV-ready. At a half-load, this generator runs up to 10 hours on a tank of gas and 4 on a tank of propane. What this generator lacks in fuel efficiency, however, it makes up for in power.
It features two 120V 20A outlets, two 30A outlets, and one 50A outlet, providing a lot of power for different kinds of devices. Its DuraMax MX2 technology allows you to use 120V and 240V simultaneously. It is perfect for a home backup system or temporary events, camping, or emergencies. The all-metal construction makes it durable, can survive outdoor situations well. It also features never-flat wheels and a handle for easy movement.
Specs
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Surge Wattage: 10000W
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Running Wattage: 8000W
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Dimensions: 31″ x 23″ x 23″
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Half-Load Run-time: 10 hours with gas, 4 hours with propane
Pros
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Low operation noise of 72 dBa
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Good value for money
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Built-in fuel gauge
Cons
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Not very fuel-efficient
Who Should Get This?
The DuroMax XP10000EF is an excellent choice for those looking for a temporary source of a lot of power or a good home backup system.
9. Sportsman GEN4000DF Dual-Fuel Generator
The Sportsman GEN4000DF is a great dual fuel generator for those wanting an easy unit to transport. It weighs 90 pounds and is compact compared to other generators in its class, making it quite easy to transport and move around. This can be especially useful for RV owners looking for supplementary power, small outdoor events, home backup, and emergencies.
It puts out a peak of 4000 watts and runs at 3500 watts, providing sufficient power for RVs, trailers, appliances, lights, and other electronic devices. It has a gas tank capacity of 3.6 gallons and can run for 10 hours, while a full tank of propane lasts 12 hours. It has 4 120V 20A outlets, one 3oA RV-ready outlet, and one DC outlet for added convenience. This high-quality EPA- and CARB-compliant generator is priced attractively for users looking for a reliable source of mobile power.
Specs
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Surge Wattage: 4000W
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Running Wattage: 3500W
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Dimensions: 24.5” x 17” x 16.5″
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Half-Load Run-time: 10 hours with gas, 12 hours with propane
Pros
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Lightweight for its range
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EPA- and CARB-compliant
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RV-ready
Cons
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Does not have electric start
Who Should Get This?
The Sportsman GEN4000DF is an excellent cost-efficient generator recommended for users seeking a lightweight solution to have a lot of power while on the move.
Final Verdict
When looking for a good dual fuel generator, power, weight, and price may all play a considerable role in your decision. For a great generator that provides an excellent combination of the three, consider the Champion 3800-Watt Dual Fuel Generator.