Best Dual Fuel Generators in 2023 – Reviews & Buyer’s Guide

Best Dual Fuel Generators in 2021

Gone are the days when people had to suffer so much due to long power cuts and outages. As technology is advancing at such a fast pace we can’t deny the fact that the time we live in has become the most comfortable in entire human history.

With the invention of generators, the scenario has quite changed. These generators have added more to your convenience by giving you the flexibility to choose between two fuels. If you have made up your mind to buy a dual-fuel generator or are planning to do so, you are in the right place. Wondering what is the best dual-fuel generator in the market right now? We have prepared a complete list of the top 10 best dual fuel generators to guide you through some of the best brands that you must check out.

You have so many options available in the market. From standby generators, portable generators, inverter generators to duel fuel generators, and so on. Since there are so many different options available it can be a bit confusing to pick up one for yourself.

This is where a dual-fuel generator comes into play. Where typical portable generators are generally manufactured to run on a single fuel, dual-fuel generators allow you the convenience to run either on liquid propane or gasoline. Awesome, right? Each type of generator has its pros and cons. But, also there are some which are better than others in various ways.

These are our unbiased opinion about the products, considering the various features they have to offer, reliability, price, and other customer reviews.

Best Dual Fuel Generators in 2023

1. Westinghouse WGen3600DF

Westinghouse WGen3600DF Best Dual Fuel Generators

Westinghouse is one of the highest quality and trusted brands in the market today when it comes to generators, with its groundbreaking technology for over 130 years.

Westinghouse WGen3600DF is a complete power pack, compact, and one of the best portable dual-fuel generators in the market.

Its 212cc 4-Stroke OHV Engine along with a long-lasting cast-iron engine sleeve produces 3600 rated watts & 4650 peak watts when running on gasoline and 3240 rated watts & 4180 peak watts on propane.

Features like electric push-button and key fob remote make it easy to start and the low oil shutoff and built-in fuel gauge conveniently ensures optimal performance.

This Camper & RV Ready with a TT-30 30A 120V outlet allows you to easily power your recreational vehicle without any need for adapters, just plug in, and there you go! Hence, making it your perfect companion for any RV or camper.

Moreover, it has a 4-gallons fuel tank with a long run time of 18 hours, which makes it a great choice for home, camping, recreational activities, power outages, and more.

Key features

• Dual Fuel Capability
• Remote Start
• Camper & RV Ready
• Electric Push Button
• Automatic Low Oil Shutdown
• EPA, CARB, and CSA Compliant

Specifications

Portable Generator TechnologyDual Fuel
Gasoline Running Watts3600 W
Gasoline Peak Watts4650 W
Propane Running Watts3240 W
Propane Peak Watts4180 W
Start TypeElectric with Remote Key Fob
Fuel Tank Size4 Gallons
Fuel TypeDual Fuel( Gasoline or Propane)
Run Time at 25% load18 Hours
Engine size212 cc
Engine type4-stroke
Dimensions23.3 × 22.8 × 21.3 in.
Weight109 lbs

What’s included?

• Oil
• Oil funnel
• Tool Kit
• User’s manual
• 3-Year Warranty

Pros
  • Remote start works great
  • Long Run Time of 18 hours
  • Low oil shut off for optimal performance
  • Awesome power output
  • Camper & RV Ready
  • Easy to read User-Manual
  • EPA, CARB, and CSA Compliant
  • 3-year Warranty with Customer Service and Support
Cons
  • Heavy( but easy to move around with wheels)
  • It can be loud at high load
  • Battery indicator doesn’t show the actual value sometimes

2. Champion 7500 Watt

Champion 7500 Watt Yellow color Generator

Champion is one of the leading brands in the market for generators and has been providing durable power products for years of experience. Moreover, their products are known for standards of performance excellence.

This generator is a complete power pack machine with a 439cc Champion Engine, producing 9375 starting watts and 7500 running watts while running on gasoline and 8400 starting watts, and 6750 running watts on propane.

The built-in Volt Guard surge protector helps to prevent overloads. It obviously comes with a dual-fuel capability, allowing you the convenience to switch between whatever fuel you like and hence, can run on either gasoline or propane.

One of the best advantages of this dual-fuel generator is that it features a technology called Intelligauge that keeps track of voltage, frequency, and run-time hours allowing you to easily monitor power output and also in tracking the maintenance intervals.

Moreover, it comes with a 1.5-inch dia. tubular steel frame that ensures protection and durability.

If you live in cold weather conditions, its Cold Start Technology gives you the benefit of a quick start in an extreme climate, giving it an extra point.

So, overall it’s the best deal that you can have bringing this amazing generator home. The set-up becomes hassle-free with its thoughtful packaging and clear directions. Apart from that, its U-shaped handles and Never-flat tires make storage and transport easy and convenient for you.

Key features

• Dual Fuel Capability
• Recoil and Electric Start
• Cold Start Technology
• Intelligauge
• Built-in Volt Guard surge protector
• Low-oil Shut down
• Air-cooled
• Cast Iron Sleeve for Durability
• GFCI-protected outlets
• 120/240V operation

Specifications

Portable Generator TechnologyDual Fuel
Gasoline Starting Watts9375 W
Gasoline Running Watts7500 W
Propane Starting Watts8400 W
Propane Running Watts6750 W
Fuel Tank Size6.1 Gallons
Run Time 8 hrs(gasoline) & 5.5 hrs(propane)
Noise Level74 dBA
Start TypeRecoil, Electric
Engine Size439 cc
Engine Type4-stroke
Fuel TypeGasoline, Propane (LPG)
Dimensions27.8 × 28.7 × 26.4 in.
Weight202 pounds

What’s included?

• Oil
• Propane Hose
• Battery(for push button)
• 3-year Warranty & FREE Technical Support

Pros
  • Intelligauge technology
  • Push-button start
  • Air-cooled engine ensures longer running
  • Built-in surge protector
  • 4-stroke powerful OHV engine
Cons
  • It is limited to medium-scale appliances

3. DuroMax XP12000EH

DuroMax XP12000EH generator

DuroMax XP12000EH is nicknamed as the BEAST because of its capability of providing the power that would normally be found in home standby units but just in a portable package. It is one of the best generators for the house.

This unit can handle heavy loads from the refrigerator, lights, to an air conditioner and also high amperage power devices with its 12000 starting watts and 9500 running watts.

Dual Fuel Technology gives you the freedom and flexibility of fuel choice and can run either on gasoline or propane. It’s versatile 457cc OHV engine is a complete powerpack workhouse that provides you plenty of power to handle different tasks from powering heavy-duty tools to high voltage appliances at the same time.

Other awesome advantages to this portable generator are its idle control. The RPMs of the generator automatically lowers when not in use saving the fuel and reducing noise. Thus, making it an ideal generator for job sites, home back up power, camping, outages and more.

Its fully featured power panel includes a broad range of outlets maximizing the compatibility in your appliances. Furthermore, it also includes a voltmeter and 12V DC charging posts to charge external batteries.

The built-in spark arrestor and an oversized noise-reducing muffler allow smooth and quiet operation. The generator runs on rugged and durable solid-fill tires which makes it easy to transport over any terrain.

Key Features

• Dual Fuel Technology
• Electric and Recoil Start
• Low oil indicator
• DuroMax MX2 switch
• Built-in spark arrestor
• Solid-fill tires
• Idle Control

Specifications

Portable Generator TechnologyDual Fuel
Gasoline Starting Watts12000 W
Gasoline Running Watts9500 W
Propane Starting Watts11400 W
Propane Running Watts9025 W
Fuel Tank Size8.3 Gallons
Run Time8.83 hrs(gasoline) & 7.2 hrs(propane)
Noise Level74 dBA
Start TypeRecoil, Electric
Engine Size457 cc
Engine Type4-stroke
Fuel TypeGasoline, Propane (LPG)
Dimensions29 × 29 × 27.5 in.
Weight236 pounds

What’s included?

• Spark Plug Wrench
• Oil Funnel
• Tool Set
• Wheel and Handle Kit
• DC Charging Cables
• User Manual

Pros
  • Plenty of Power
  • Long Run time of up to 8 hours
  • All-Metal Construction
  • Protection from voltage fluctuation
  • Easy to operate and handle controls or switches
  • Surge-arrest to protect from power surges
  • MX2 Power boost doubles the 120V power for RVs and Appliances
Cons
  • Rough handling
  • Limited output plug point numbers

4. Ford FG7750PBE

Ford FG7750PBE Generator

Ford has been among one of the revolutionary brands from the transportation industry, automobiles, to the aerospace industry for several decades. Its power equipment industry incorporates some of the best generators on the market.

Ford FG7750PBE comes with a 420cc, 4-stroke OHV engine that can run either on propane or gasoline with its dual-fuel capability. Its air-cooled engine is protected by a heavy-duty powder-coated steel frame.

It consists of some amazing features like Low oil shut down and digital hour meter to ensure optimal operation.

Some of the other advantages of this generator are its Switch and Go Technology which allows the flawless switching of fuels while the generator is still in operation.

The generator offers you the run time of 10.5 hours at half load while running on gasoline with its large high capacity 6.6 Gallons fuel tank. Besides that it’s electric push-start along with maintenance-free battery ensures quick and easy start-ups.

In nutshell, Ford FG7750PBE is a versatile generator including some of the best features that you might be looking for in your ideal generator. Moreover, it is CARB, EPA and CSA certified, so you can buy the generator with confidence.

Key Features

• Dual Fuel Capability
• Long Run time of 10.5 hours
• 6.6 Gallons Fuel Tank
• Never-flat Wheels
• Switch & GO Technology

Specifications

Portable Generator Technology Dual Fuel
Gasoline Starting Watts 7750 W
Gasoline Running Watts 6250 W
Propane Starting Watts 7500 W
Propane Running Watts 6000 W
Fuel Tank Size 6.6 Gallons
Run Time 10.5 hrs(gasoline)
Noise Level 74 dBA
Start Type Recoil, Electric
Engine Size 420 cc
Engine Type 4-stroke
Fuel Type Gasoline, Propane (LPG)
Dimensions 31 × 23 × 21 in.
Weight 196 pounds

What’s included?

• Propane Hose
• Spark Plug Wrench
• Combination Wrench
• Philips Screw Driver
• 600mL of 10W30 Engine oil
• Funnel
• Quick Start Guide
• User Manual

Pros
  • High power output
  • Switch & Go Technology for easy transitioning of fuels
  • Air-cooled engine
  • Long Run time of 10.5 hours
  • Secure recoil protection
  • Automatic Voltage Regulator and Digital Hour Meter for hassle-free operation
  • Low oil shut down
Cons
  • Appliances only limited to small and mid-sized homes

5. Champion 3500-Watt

Champion 3500-Watt generator

Champion 3500-Watt generator is a perfect combination of convenience and versatility and is ideal whether you need power for home, RV, camping or any other projects.

Champions Power Equipment is one of the best and leading brands in the market without any doubt, offering some of the best features with its advanced technology.

It has enough power to run a 15,000 BTU RV air conditioner and also various essential appliances that you need during an outage.

The 224cc Champion engine produces 4375 starting watts and 3500 running watts using gasoline and gives us a run time of 9 hours at 1/2 or 50% load. On propane, it produces 3950 starting watts and 3150 running watts at 50% load and will run for 10.5 hours.

It features Volt Guard built-in surge protector which prevents overloads and ensures the safety of your equipment. Apart from that you can easily monitor and track power output and maintenance intervals with its Intelligauge technology.

You can use this dual fuel generator right out of the box on either gasoline or propane and can safely switch between the fuels with its patented fuel selector.

It comes with plenty of outlets so you can easily power various appliances at the same time, and the low-oil shut-off sensor assures optimal operation.

Key features

• Dual Fuel Technology
• Intelligauge
• Cold Start Technology
• RV Ready
• EPA and CARB Compliant
• Low oil shut off
• Volt Guard Built-in surge protector

Specifications

Portable Generator Technology Dual Fuel
Gasoline Starting Watts 4375 W
Gasoline Running Watts 3500 W
Propane Starting Watts 3950 W
Propane Running Watts 3150 W
Fuel Tank Size 3.4 Gallons
Run Time 9 hrs(gasoline) & 10.5 hrs(propane)
Noise Level 68 dBA
Start Type Recoil, Electric
Engine Size 224 cc
Engine Type 4-stroke
Fuel Type Gasoline, Propane (LPG)
Dimensions 23.2 × 19.1 × 20 in.
Weight 118 pounds

What’s included?

• Propane Hose
• 3-year limited Warranty & Technical Support

Pros
  • Good power output
  • Cold Start Technology
  • Plenty of outlets
  • Easy to start
Cons
  • Can be loud
  • Comes without wheels
  • Vibrates
  • Short propane hose

6. Pulsar PG10000B16

Pulsar PG10000B16 generator

Pulsar is renowned for the splendid cutting edge features which they provide in every product they design, keeping in mind the key components consumers need.

The trustworthy OHV air-cooled engine produces 10,000 peak watts and 8000 rated watts on gasoline and 9000 peak watts and 7000 rated watts while running on liquid propane.

It can be your lifesaver and could run for 24 hours straight or longer if needed. 

Although the generator is over 200 pounds, it comes with a wheel kit and fold-down handles which makes it easy to move around.

Pulsar PG1000B16 with all that it can do is no different. It is packed with everything that will help you out during the next power outage.

Its Switch and Go Technology will let you change between gas and liquid propane whilst its functioning. Moreover, it offers up to 12 hours of continuous non-stop operation with half a load!

One of the other cool features includes an hour meter to keep track of how time is left before running out of fuel.

It also has a 420cc 15 HP single cylinder, 4-stroke OHV engine, 6.6-gallons fuel tank, electric start-up with recoil back up.

This comes in 4 different variants, a 5250W, 7750W,10000W, and 12000W from which you can choose according to your need. In addition to this, the model has (4) 120V AC outlets, (1) 50AMP RV Port, (1) 120/140V twist-lock outlet, and (1) 12V DC trickle charge output which can power various appliances in your home whenever needed. 

Key Features

• Dual-fuel capability
• Electric start
• Wheels for easy mobility
• 3 in one digital meter
• Automatic low oil shutdown
• Easy to store

Specifications

Portable Generator Technology Dual Fuel
Gasoline Starting Watts 8000 W
Gasoline Running Watts 10000 W
Propane Starting Watts 7000 W
Propane Running Watts 9000 W
Fuel Tank Size 6.6 Gallons
Run Time 12 hours with 50% load
Start Type Electric Start with Recoil Back-Up
Engine Size 420 cc
Fuel Type Dual fuel (Gasoline or propane)
Dimensions 28.5 × 22.2 × 21.8 in.
Weight 209 lbs

What’s included?

• Wheel Kit
• Propane Hose

Pros
  • High power output
  • Long Run time
  • Switch and Go Technology for smooth switching b/w fuels
  • Quick and easy Electric push start with recoil backup
  • Never-flat wheels and fold-down handles for easy mobility and storage
Cons
  • Noisy and shaky
  • Can run a bit roughly sometimes

7. Champion 3400 – Dual Fuel Inverter Generator

Champion 3400 - Dual Fuel Inverter Generator

Champion has years of experience providing the perfect products to its buyers all over the world. They are the standard of performance excellence and have the power to make your life easier.
 
This 3400W generator has loads of features sprinkled throughout. It is lightweight, quiet and portable, battery maintenance smart charge in addition to this, a quick touch panel and touch start which will make this a piece of cake to use.
 
Now moving onto the actual details of this, it is less than 100 pounds in weight, can run on LPG or gasoline straight out of the box, has a Run time of 7.5 hours on a full tank of gas, or 14.5 hours on a 20 lbs propane tank.
 
It provides clean electricity for sensitive appliances and is overall designed with safety in mind.
 
Using gasoline its 192 cc engine produces 3400 starting watts and 3100 running watts and can even run for 14.5 hours with a 20% load when run by a 20-pound propane tank.
 
It comes with impressive additions like low oil shut down sensor and an Economy mode which can extend the engine life, providing quieter operation, and can reduce electrical load.

Coming with a 3-year warranty with free lifetime technical support from the company itself, it’s a no-brainer that this comes in our top choices for all the best generators right now.

Key features

• Dual fuel capacity
• Lightweight, quiet and portable
• Economy mode with electric start
• Air-cooled
• Low oil shutdown
• Cast iron sleeve for durability
• RV ready

Specifications 

Portable Generator Technology Dual Fuel Inverter
Gasoline Starting Watts 3100 W
Gasoline Running Watts 3400 W
Propane Starting Watts 2790 W
Propane Running Watts  3060 W
Fuel Tank Size 1.6 Gallons
Run Time  14.5 hrs at  24% load(propane) & 7.5 hrs(gas)
Noise Level 59 dBA
Start Type Recoil, Electric
Engine Size 192 cc  
Engine Type 4-stroke
Fuel Type Dual fuel (Gasoline or propane )
Dimensions 25.1 × 17.3 × 18.3 in.
Weight 95.7 lbs

What’s included?

• Propane hose
• Dual USB adapter
• Wheel Kit
• 3-year limited warranty and Technical support

Pros
  • Quick Touch Panel to easily access all controls
  • Economy Mode for quiet operation
  • Easy to Start
  • Good Power Output
  • Dependable
Cons
  • Heavy
  • Vibrates

8. DuroMax XP4850EH 3850

DuroMax XP4850EH 3850 green color generator

The DuroMax company started in southern California and was built totally upon reliability and quality and every product was synonymous with durability and dependability.
 
The DuroMax XP4850EH 3850 generator delivers 4850 watts of power and has a dual fuel system thus, can run on either gasoline or propane. It lets the user change to the fuel of their choice with the inbuilt switching capability.
 
This features a cast iron sleeved 196 cc engine rated at 7HP delivering a peak if 4400 surge watts and 3500W constant.  All this amount of power is sufficient to handle overhead air conditioner in an RV basic house power.
 
It has the smart DuroMax fuel technology that will let the user run it on cleaner burning propane from a BBQ tank or the mainline hence, nearly doubling the lifetime of the generator.
 
The powerful engine adequately handles most household items and will work perfectly in case of a power outage and emergency to run refrigerators, lights and other needed necessities.

Key features

• 7HP air-cooled OHV design
• Smooth quiet operation
• Key start switch
• Full power panel with advance oil warning light and voltmeter
• Low oil indicator lamp
•  RV ready and EPA, CARB approved

Specifications

Portable Generator Technology Dual Fuel
Gasoline Starting Watts 4850 W
Gasoline Running Watts 3950 W
Propane Starting Watts 4608 W
Propane Running Watts 3658 W
Fuel Tank Size 3.96 Gallons
Run Time 10.42 hrs at 50% load(gas), 8.92 hrs(propane)
Start Type Electric/Recoil
Engine Size 208 cc
Engine Type 4-cycle air-cooled spark-ignition
Fuel Type Dual fuel (Gasoline or propane )
Dimensions 24 × 17 × 17 in.
Weight 127 lbs

What’s included?

• Spark Plug Wrench
• Oil Funnel
• Tool Set
• Wheel and Handle kit
• DC Charging cables
• User Manual

Pros
  • MX2 Power Boost doubles the 120V power
  • High power output
  • Tough Metal Construction
  • Long Run time of up to 8 hours
  • Surge arrest to protect the generator from power surges
Cons
  • Not very quiet

9. Sportsman GEN4000DF

The sportsman series 4000 watts generator has the power and flexibility to handle almost every task you throw at it. It is great while you are out on the road or for running the essential appliances of your home during an emergency or a power outage.
 
The dual-fuel capability allows it to function on either gasoline or propane gas so you can use whichever fuel is more easily available or affordable at the moment. So it gives you the long-lasting clean burning advantage of the LPG gas and benefits of unleaded gasoline.
 
The 7HP engine is surprisingly quiet and runs at less than 69 dBA. It can run 10 hours continuously at 50% load on a full tank of gasoline and 12 hours with a full 20lbs.
 
It is equipped with (4) 120V outlets, (1) 120V RV outlet, and a 12V DC outlet for battery charging. 
 
All these add to form a perfect power companion for you which is very affordable, flexible. The only shortcoming is that it cannot be converted to work with natural gas.

Key features 

• Dual fuel capable
• 94 lbs weight
• 1-year Warranty
• 7HP engine
• Runs at less than 69 Db
• RV ready
• EPA approved 

Specifications

Portable Generator Technology Dual Fuel
Peak Watts 3500 W
Running Watts 4000 W
Fuel Tank Size 3.6 Gallons
Run Time 10 hours at 1/2 load
Noise Level 69 dBA
Start Type Recoil
Engine Size 212 cc
Fuel Type Dual fuel (Gasoline or propane )
Dimensions 24.5 × 16.5 × 17 in.
Weight 94 pounds

What’s included?

• 1-120V RV outlet
• 1-12V DC outlet
• Regulator hose kit 

Pros
  • 7 HP silent engine
  • 10 to 12 hours of Run time
  • A 5-foot propane fuel hose that comes with a regulator to ensure the safety of appliances and generator itself
Cons
  • No low-oil shutdown feature

10. Firman HO3651 hybrid generator

Firman HO3651 hybrid generator

This generator is based on push-button technology, features 4550 starting watts and 3650 running watts. Power comes from a 208 cc engine which runs cool and efficient thanks to its Phoenix Fat head block.
 
This also has a dual fuel system hence can run on gasoline or propane fuel, giving you flexibility while out on the road or during a power outage or any other emergency. Coming with an inbuilt whisper series muffler, it is very quiet at 67 dBA.
 
3-in-1 Data minder monitors show you the frequency, running hours, and voltage. This also has flat-free wheels with a single folding handle with a grip and a heavy-duty wheel kit.
 
The 5-Gallons tank provides 14 hours of runtime and it includes a 5.5 ft LPG regular hose. It is a very portable generator because of its lightweight and you can easily take it from house to a campsite or wherever you need it.
 
The HO3651 is backed with a 3-year warranty from the company itself and it CARB, ETL approved.
 
The control panel is multi-featured and is located conveniently and the designed covers protect the outlets from dirt, dust, and debris.

Key features

• Push-button technology
• 3-in-1 data minder
• 5.5ft propane hose
• Power Stream Alternator
• Compact tubular roll cage frame design
• CARB, ETL approved
• 5-Gallons fuel capacity
• 14 hour run time

 Specifications

Portable Generator Technology Dual Fuel
Gasoline Starting Watts 3650 W
Gasoline Running Watts 4550 W
Propane Starting Watts 4550 W
Propane Running Watts 4100 W
Fuel Tank Size 5 Gallons
Run Time 14 hrs-5 gal(gas), 10.5 hrs-20 lbs propane 
Noise Level 75 dBA
Engine Size 208 cc
Fuel Type Dual fuel (Gasoline or propane )
Dimensions 24.5 × 16.5 × 17 in.
Weight 94 pounds

What’s included?

• Oil
• Wheel Kit
• Propane Hose
• Shipping Bracket Wrenches
• Funnel 
• Oil
• Manual

Pros
  • Dependable portable power
  • Push-button Electric Start
  • Long Run time of up to 14 hours at 1/2 load
  • Volt-Lock AVR to provide safe & clean power for appliances
  • Circuit breaker protection
  • User-friendly control panel
Cons
  • Noisy at 75 dBA