Top 11 Best Dual Fuel Generators [2020]

If you live in an area that is likely to experience power outages, a good generator may just be what you need to make your life less stressful. You can get even better results by going for a dual fuel generator.

You can power these units by using either gasoline or propane. As such, you will never stay in the dark since you can switch from one power option to the next in less than a minute.

Here are some of the best dual fuel generators that you can fully rely on when handling different tasks.

Top Pick
Westinghouse WGen7500DF Dual Fuel Portable...
  • 7500 rated watts & 9500 peak watts (gasoline); 6750 rated watts & 8550 peak watts (propane); 6. 6 gallon fuel tank with fuel gauge; electric push button start with Remote key fob

11 Dual Fuel Generator Reviews

#1 Westinghouse WGen7500DF Dual Fuel Generator

Westinghouse WGen7500DF Dual Fuel Generator

The WGen7500DF is a portable dual fuel generator that will deliver power wherever you may need it. It runs on a powerful 420 cc Westinghouse OHV engine with a peak wattage of 9,500 when running on gasoline, and 8550 watts on propane. The electric start button delivers instant power transmission with just one push.

Additionally, the fuel selector switch allows you to change from gasoline to propane and vice versa, while the engine is still running. This way, you won’t have to power down the generator, thereby allowing you to go on with what you were doing. This generator features a convenient L14-30 120/240V transfer-ready twist-lock outlet and a duplex GFCI 5-20R 120V power outlets.

More to this, there are two 5V USB ports, which will assist you in charging electronic devices such as smartphones, music players, tablets, and other small gadgets that have USB functions. Plus, all the power outlets are fitted with protective rubber caps, which prevent foreign particles such as dust from damaging the ports.

With a 6.6 gal fuel tank, this workhorse will provide you with a longer run time of up to 16 hours with a noticeable improvement in fuel economy. Besides, the fuel gauge will show you how much gasoline is left in the tank, so you won’t be caught by surprise when the tank runs empty.

Also, the remote start key allows you to power up the generator when you are up to 327 ft. away. The generator is also equipped with two never-flat wheels, thus giving you an easy time during transportation. To add to this, the two support stands at the front are designed with the ability to cancel out the vibrations generated by the engine. As a result, the generator will not move about even when the vibration level is high.

Pros
  • Built-in battery charging port with quick connect
  • Auto low fuel shutdown
  • CARB and EPA compliant
  • Easy to maintain
Cons
  • Noisy
  • Very heavy

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#2 Champion 3400-Watt Dual Fuel Portable Inverter Generator

Champion 3400-Watt Dual Fuel Portable Inverter Generator

If you are looking for a generator that is lightweight and quiet, the 3400-Watt dual fuel generator from Champion may just be the right generator for you. It generates 59 dBA, making it an ideal option for RVs, campsites, and other household applications.

The 4-stroke engine is compatible with both propane and gasoline. This unit provides you with two startup options, the recoil start, and the electric ignition system. The low fuel shutdown feature will kill the engine automatically when the fuel is low.

All the accessories that are needed to power up the generator are included in the package, so you will be able to use the unit right out of the box. This is inclusive of a propane hose, which will allow you to connect the generator to LPG tanks.

Moreover, the hose has a built-in regulator, which controls the flow of the liquefied petroleum gas. When the fuel tank is full, the generator can run up to 7.5 hours depending on the task that you are running. On the other hand, a 20 lb. propane tank will give you 14.5 hours of nonstop operation.

The control buttons and switches are conveniently placed on one side to give easy access to all functions. Furthermore, the generator has built-in handles that you can use when lifting the unit, or when dragging the wheels. If you like, you can double your power by attaching the parallel outlet kit. However, the kit does not come with the generator, so you have to buy it separately.

Pros
  • Economy mode for minimal fuel consumption and longer engine life
  • Features a cold start technology for quick engine power-ups in cold weather
  • The unit is air-cooled
  • Parallel ready
Cons
  • The engine is only 192 cc
  • Has a small fuel tank

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#3 WEN DF475T Dual Fuel 120V/240V Portable Generator

WEN DF475T Dual Fuel 120V/240V Portable Generator

The WEN DF475T is equipped with a powerful engine, which can achieve a top speed of 3600 RPM, hence delivering enough power for all your needs. Depending on the available energy source, you can use either propane or gasoline to run the engine.

The generator comes with a 12V battery, which delivers instant power upon ignition. This unit has a voltage selection unit, which allows you to switch between 240V and 120V. Consequently, you will be able to choose a power option according to the task requirements.

When using gasoline, the engine delivers 4750 peak watts and 3800 running watts. Propane, on the other hand, will give you 4350 surge watts and 3500 running watts. Also, the generator has an overload protection feature, which ensures that the engine is not pushed beyond its limits.

More to this, the unit has a 120V/240V NEMA twist-lock outlet, a cigarette-lighter style port, and a dual 120V GFCI outlet ports. The fuel switch has an easy-to-use dial design, which allows you to change from one power source to the next in seconds.

This generator has a heavy-duty construction, so it can withstand the hostile conditions at job sites. Moreover, the wheel kit will allow you to move the generator from one job site to another while applying minimal effort. The engine is housed by a steel casing with multiple air vents to facilitate maximum heat dissipation.

Pros
  • Provides with a longer run time
  • Ideal for emergency backups
  • Comes with a 45-inch LPG hose
Cons
  • Does not have USB ports compared to most models

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#4 Sportsman GEN4000DF Dual Fuel Powered Generator

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This dual fuel generator has amazing features, which allows it to deliver a reliable and steady power flow. As such, you can use it when operating various electrical appliances and can particularly come in handy during emergencies. It runs off a 7 HP engine, which can operate continuously without heating up.

The generator has a sturdy frame that you can use as a handle during transportation. This unit has a 12V DC outlet, four 120V outlets, and a 120V RV outlet, which you can use depending on your power requirements.

The ignition system fires up with just one pull, so you won’t have to pull the recoil several times. Furthermore, the generator is equipped with a voltmeter, which will give you real-time updates on the power levels. This unit is rated at 3500 watts but can achieve a surge wattage of 4,000 watts. The 3.6-gallon fuel tank can hold enough gasoline, which will power the generator for up to 10 hours when on a 1/2 load. A 20 lb. propane tank can last for 12 hours under the same conditions.

This unit combines flexibility and power to give you a high-quality generator that you can depend on when indoors and outdoors. Despite being powerful, the generator only weighs 94 lbs., making it a couple of pounds lighter than most models in the same class. The engine runs smoothly and delivers maximum power throughout, hence giving you the top class service that you deserve.

Pros
  • Compatible with RVs
  • Easy to operate
  • Versatile design
Cons
  • Not compatible with natural gas
  • No wheel kit

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#5 All Power America APGG10000GL 10000 Watt Dual Fuel Generator

All Power America APGG10000GL 10000 Watt Dual Fuel Generator

The APGG10000GL is one of the reliable dual fuel generators that will provide you with high power. It has a robust design and can keep up with tasks that require a large power supply. This generator has several outlet ports that can accommodate multiple plugs at a go. More to this, it features an hour meter, which will show you how long the generator has been operating. Through this, you will be able to estimate how much fuel is left in the tank.

This unit has an onboard battery, which is maintenance-free, so you will be able to use the generator several times without making a battery replacement. Additionally, the generator has two retractable handles, which will provide you with a stress-free experience when maneuvering or when transporting the unit. Besides, the handles have a unique lock mechanism that keeps them in place, thus giving you maximum control.

The generator has a large 8-gallon fuel tank and seven outlet ports, which will provide you with exactly what you need. Besides, the engine delivers 15 HP and can combust both propane and gasoline at an enhanced rate to give 7,000 watts to 10,000 watts depending on the power source that is currently in use.

Pros
  • Built form snit corrosive material
  • EPA certified
  • Provides you with clean energy
Cons
  • Not CARB compliant

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#6 Firman H08051 Gas or Propane Dual Fuel Generator

Firman H08051 Gas or Propane Dual Fuel Generator

This high-performance generator from Firman uses a Max-Pro series 439cc OHV engine, which provides you with long hours of power without experiencing malfunctions. The generator is equipped with large wheels, which enables it to move through different terrains without toppling over. Being a hybrid generator, it can burn gasoline and propane, so you can use the readily available option.

The points that attach the engine to the frame have shock absorption features, which cancel out vibrations. This allows the generator to operate without damaging the engine and other delicate parts. Also, the unit has a padded handle, which will provide you with a comfortable grip during transport. The fuel switch allows you to choose between gasoline or propane mode by simply turning the dial.

The manufacturers have conveniently built this generator with a large capacity fuel holding unit, which will provide you with extended run times. As such, you will get up to 12 hours’ worth of operation time on a 50% load.

Pros
  • Has an electric switch
  • Portable
  • Propane hose comes with a regulator
Cons
  • Very heavy

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#7 Champion 3800-Watt Dual Fuel Generator with Electric Start

Champion 3800-Watt Dual Fuel Generator

If you are a Champion fan, the 3,800-watt dual fuel generator is also another amazing option that you can consider giving a try. It features a built-in battery charger, which will allow you to charge the battery as the generator runs.

The integrated volt guard protects the connected appliances in case there is a sudden fluctuation in the power level. Moreover, the generator comes with a user manual that will give you highlights on the basic functions.

The unit has a 120V/30A RV outlet, which will allow you to power your recreational vehicle. This feature can help you when you are out camping or when handling other chores outdoors. With the help of the electric ignition system, you will be able to switch on the engine in an instant without pulling the recoil multiple times. The 224 cc engine picks up power immediately and activates the combustion chamber for maximum transmission.

In addition, the generator can help you power up hand tools like electric drills, thus allowing you to finish your DIY projects in time. Apart from having wheels, the front side features convenient support stands, which allow the generator to stand steadily during operation.

Pros
  • Touch start feature
  • Equipped with large 8-inch wheels
  • The engine is air-cooled
Cons
  • Generates a lot of noise

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#8 DuroMax XP12000EH Dual Fuel Portable Generator

DuroMax XP12000EH Dual Fuel Portable Generator

The DuroMax XP12000EH has several safety features that will protect you and your appliances in case an electrical surge occurs. You can use this unit as a backup home generator or a job site generator. It will provide you with immense power in both scenarios, so you won’t have to buy another unit. Besides, it can power refrigerators, air conditioners, and other appliances that may require a 120V power output.

Furthermore, this kit comes with several accessories such as DC cables, oil funnel, product manual, wheel kit, and a spark plug wrench. The generator also has two household outlets, one heavy-duty outlet, and two twist-lock outlets. To add to this, the engine is built with premium quality copper windings, which maximize the motor operations for maximum power output. The outer frame is made of heavy-duty metal construction for enhanced durability

.Moreover, the generator is equipped with a noise muffler, which minimizes the amount of noise that is produced when the engine is working. The tires are rugged to increase surface contact when moving the generator on different terrains. All these features will provide you with exceptional results when working with this generator.

Pros
  • Has circuit breakers
  • Low oil shutoff sensor
  • Built-in spark arrestors for quiet operation
  • Idle control
Cons
  • The wheels need improvement

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#9 Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator

Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator

When on gasoline, this generator delivers 12,000 peak watts and 10,800 peak watts when attached to a propane tank. This unit is portable and is also easy to store since the handles fold down, thereby occupying less space.

The generator has both recoil and electric switch systems, so it’s up to you to choose the option that works for you. With the 10-inch wheels, you will be able to maneuver the unit even when on rough settings.

The powder-coated frame is rust and corrosion-proof, so the unit will maintain a good shape even after being used repeatedly. The LPG unit has an airtight seal, so you won’t experience leakages when the propane tank is attached.

To add to this, the engine has a long life span and will deliver optimum performance as long as you follow the manufacturer’s instructions. Like most generators on the list, this unit has several outlet ports that you can use in different situations.

This unit can assist you when operating both small and large electrical appliances. The digital meter will provide you with accurate readings on how long the engine has been on. Besides, the automatic voltage regulator will ensure that the unit delivers the right amount of power at all times.

Pros
  • Durable wheels
  • Motor oil is included in the package
  • Easy to use
Cons
  • Weighs 209 pounds, which is quite heavy compared to other dual fuel generators with the same features

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#10 Mech Marvels- MM2350DF 1500 Watt Power Dual Fuel Generator

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This is one of the most lightweight dual fuel generators that you will find on the market. If you are worried about safety, you will happy to know that this unit is CARB and EPA III compliant. The generator has a single 12V DC outlet and two 120V AC outlets. Furthermore, the frame has a sturdy construction, which enables the unit to withstand harsh vibrations. The motor compartment has ventilation vents, which allow cools air to flow into the chamber.

You will get 1,500 surge watts and 1,200 running watts, thus allowing you to run small power tools and other household appliances. An LGP hose has been included in the package to give you a stress-free user experience when the package arrives.

However, you can also run the generator on gasoline and still get good results. The power source that you use will depend on your preference and the ease of access to the commodity that you intend on using.

This generator can run for up to 24 hours when on a full LPG tank. As a result, it will allow you to handle the task at hand effectively. Since the generator weighs less compared to most models, you can use it when taking a road trip or when going camping. It can particularly assist you in lighting up your tent, among other things.

Pros
  • Runs off a four-stroke engine
  • Ergonomically designed frame
  • Flexible design
Cons
  • Not suitable for heavy-duty tasks

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#11 Winco Portable Dual Fuel Generator

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This generator runs on a powerful engine, which uses brushless copper windings. Through this, the engine will remain operational for an extended period. The engine can even run on natural gas, so you will have a variety of power options to choose from.

Additionally, the engine unit has a fuel regulator, which controls how fuel is used in order to achieve maximum combustion. This will limit fuel wastage, thereby providing you with longer engine run time.

The generator will provide you with clean and safe energy that you can use to operate even the most sensitive appliances. This unit is designed in such a way that it runs smoothly without causing power surges.

As such, all your electronic devices will be safe, thus giving you a worry-free operational experience. The low oil shutdown feature will automatically power down the engine when the fuel level is critical.

This equipment runs on a powerful Honda GX340 engine with 337 cc. Also, the entire unit is caged in a wraparound steel frame, which can pass as a handle. As such, it can come in handy when lifting the generator from one location to another.

Pros
  • Rubberized mounts for minimal vibrations
  • Multiple power outlets
  • Reliable engine
Cons
  • No wheels despite the weighing 212 pounds
  • Not CARB certified

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Frequently Asked Questions

Why should I use a dual fuel generator?

As the name suggests, these generators can be powered by two power sources. You can use gasoline or liquid petroleum gas depending on what you have easy access to. This way, you will be to switch in between power sources if one runs out.

What makes a good dual fuel generator?

A good generator should have a powerful engine with a large HP to maximize power transmissions. Additionally, it should allow easy change from LPG mode to gasoline mode. You can also consider going for a generator with an hour meter, do that you can know more about the status of your engine.

Large or small, which generator should I go for?

You can choose a generator depending on the task at hand. In most cases, large generators deliver more power, so if you want more power you can consider buying a large unit.

Final Verdict

You have to be very careful when choosing a dual fuel generator since there are so many factors to be considered. If you are planning to run several appliances, you have to ensure that you go for a generator with a higher wattage. The generators listed above are some of the best, so you can pick any that pleases you.

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