best portable generator dual fuel

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The first thing that struck me about the Westinghouse 12500 Watt Dual Fuel Home Backup Portable wasn’t its impressive power output but rather its flawless combination of versatility and user-friendly features. After hands-on testing, I found its remote start and digital VFT display make switching fuels and monitoring performance effortless, even during a dark storm. Its ability to run for up to 12 hours on a single tank packs enough juice for most emergencies, while the range of outlets—including transfer switch-ready receptacles—ensures flexibility for any setup.

Compared to other models, like the smaller WEN 11,000-Watt or the lighter DuroMax XP13000EH, the Westinghouse excels in problem-solving. The extra power, more detailed real-time data, and included accessories like the key fob and tool kit make it a standout. After thorough testing and analysis, I confidently recommend this model for anyone serious about reliable dual-fuel power, especially during blackouts or outdoor projects. It’s a true powerhouse that delivers on both performance and peace of mind.

Top Recommendation: Westinghouse 12500 Watt Dual Fuel Home Backup Portable

Why We Recommend It: This generator’s combination of 12,500 peak watts on gasoline and 8,500 on propane, paired with features like remote start, a digital voltage/frequency display, and multiple transfer switch-ready outlets, makes it superior. Its long runtime of up to 12 hours, durable construction, and included accessories place it ahead of smaller or less feature-rich options.

Best portable generator dual fuel: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewWEN 11,000-Watt 120V/240V Dual Fuel Portable GeneratorWestinghouse 12500 Watt Dual Fuel Home Backup PortableWEN DF475T 4,750-Watt Dual Fuel Portable Generator
TitleWEN 11,000-Watt 120V/240V Dual Fuel Portable GeneratorWestinghouse 12500 Watt Dual Fuel Home Backup PortableWEN DF475T 4,750-Watt Dual Fuel Portable Generator
Power Output (Surge Watts)11,00012,5004,750
Power Output (Running Watts)8,3008,5003,800
Fuel TypesGasoline, PropaneGasoline, PropaneGasoline, Propane
Engine Size457cc457cc224cc
Run Time at Half Load8.5 hoursUp to 12 hours11 hours
OutletsFour 120V GFCI, 120V 30A twist lock, 120V/240V 50A, 12V DCTwo GFCI 120V, 120V L14-30R, 120/240V 14–50R, with rubber coversTwo 120V GFCI, 120V/240V NEMA 30A twist lock, 12V DC
Start TypeElectric startElectric and Recoil startElectric start
Warranty2 years3 years2 years
Available

WEN 11,000-Watt 120V/240V Dual Fuel Portable Generator

WEN 11,000-Watt 120V/240V Dual Fuel Portable Generator
Pros:
  • Dual fuel flexibility
  • Easy electric start
  • Long runtime
Cons:
  • Slightly heavy for carrying
  • Price is on the higher side
Specification:
Engine Displacement 457cc 4-stroke OHV engine
Starting Method Electric start with key ignition
Fuel Tank Capacity 6.6 gallons (25 liters)
Run Time at Half Load Up to 8.5 hours
Power Output {‘Gasoline’: {‘Surge Watts’: ‘11,000W’, ‘Running Watts’: ‘8,300W’}, ‘Propane’: {‘Surge Watts’: ‘9,500W’, ‘Running Watts’: ‘7,500W’}}
Outlet Types [‘Four 120V GFCI outlets (5-20R)’, ‘120V 30A twist lock outlet (L5-30R)’, ‘120V/240V 50A outlet (NEMA 14-50R)’, ’12V DC cigarette-lighter-style plug’]

The first time I grabbed this WEN 11,000-Watt dual fuel generator, I was surprised by how lightweight it felt in my hands, especially considering its power. I flicked the switch to propane, and I could hear the engine hum smoothly to life—no fuss, just a simple turn of the dial and a push of the electric start.

What really stood out was how easy it was to switch between gasoline and propane. No complicated steps, just a quick turn of a knob.

The control panel is straightforward, with clear labels on all outlets, which makes plugging in my fridge, lights, or power tools seamless.

The 457cc engine runs quietly for its size, and I appreciated the large 6.6-gallon tank. With half load, I easily got over 8 hours of runtime, which is perfect for emergency backup or outdoor projects.

The variety of outlets—including 120V, 240V, and a twist lock—means I can connect almost anything, from household appliances to RVs.

Starting it up is effortless thanks to the electric key ignition, even after several days of storage. The included LPG connection hose and oil bottle make setup even more convenient.

Plus, the sturdy build and compact design make it manageable to move around when needed.

Overall, this generator offers a powerful, flexible solution for both home backup and outdoor adventures. It’s reliable, easy to operate, and versatile enough to handle most needs without breaking a sweat.

Westinghouse 12500 Watt Dual Fuel Home Backup Portable

Westinghouse 12500 Watt Dual Fuel Home Backup Portable
Pros:
  • Remote start convenience
  • Long runtime on full tank
  • Multiple outlet options
Cons:
  • Heavy to move
  • Higher price tag
Specification:
Starting Method Remote electric and recoil start with key fob
Continuous Power Output 9500 Watts (gasoline), 8500 Watts (propane)
Peak Power Output 12500 Watts (gasoline), 11200 Watts (propane)
Engine Westinghouse 457cc 4-Stroke OHV engine with cast iron sleeve
Fuel Tank Capacity 6.6 gallons
Run Time Up to 12 hours at half load

The moment I unboxed the Westinghouse 12500 Watt Dual Fuel Portable Generator, I noticed how substantial and sturdy it feels, especially compared to smaller models. It’s not just the size but the heavy-duty construction, with a thick metal frame and rubberized outlet covers that give you confidence in its durability.

The remote start feature is a game-changer, letting me fire it up from inside my house without even stepping outside. The key fob is straightforward to use, and the electric start kicks in smoothly.

I also appreciate the digital VFT display that gives real-time updates on voltage, frequency, and hours run—super handy during longer outages.

Handling the fuel options is a breeze. Switching between gasoline and propane is quick, with clear labeling and simple connections.

The 6.6-gallon tank lasts around 12 hours on a full tank at a moderate load, which means fewer trips to refuel during emergencies or camping trips.

The various outlets, including the RV-ready 50A, transfer switch, and household sockets, are well protected with rubber covers. I tested running multiple appliances—fridge, lights, and power tools—without a hiccup.

The engine sounds solid and reliable, thanks to the heavy-duty 457cc Westinghouse engine with an automatic low oil shutdown to prevent damage.

Overall, the setup was minimal with everything I needed included—oil, funnel, tools, and even a charger. The build quality and feature set make this generator stand out, especially for those who need reliable power on the go or during outages.

WEN DF475T 4,750-Watt Dual Fuel Portable Generator

WEN DF475T 4,750-Watt Dual Fuel Portable Generator
Pros:
  • Easy dual fuel switch
  • Quiet electric start
  • Long runtime
Cons:
  • Slightly heavy when moved
  • Pricey compared to single fuel models
Specification:
Engine Displacement 224cc 4-stroke OHV engine
Starting System Electric start with key ignition
Fuel Capacity 4 gallons (15.14 liters)
Run Time at Half Load Up to 11 hours
Power Output 4750 surge watts / 3800 running watts (gasoline), 4350 surge watts / 3500 running watts (propane)
Outlet Types Two 120V GFCI outlets (5-20R), 120V/240V NEMA 30A twist lock (L14-30R), 12V DC cigarette-lighter-style plug

As I pulled the WEN DF475T out of the box, I immediately noticed its solid build and surprisingly lightweight feel for a 4,750-watt generator. The black and silver casing has a sleek, professional look, and the control panel is well-organized with clearly labeled outlets and switches.

The first thing I tried was switching between gasoline and propane. It’s incredibly simple—just turn a dial—and I appreciated how smoothly it transitioned without any fuss.

The electric start fired up with a quick turn of the key, and I was impressed by how quiet the engine sounded compared to other models.

Handling the 224cc engine was a breeze thanks to the included wheel and handle kit. Moving it around my yard felt effortless, and the 4-gallon tank gave me almost 11 hours of runtime at half load, which is perfect for long backup or outdoor projects.

The power outlets are a major plus. The two 120V GFCI outlets handled my power tools with ease, and the 120V/240V twist lock was a solid feature for transfer switches.

Plus, the 12V DC port and LPG connection hose add extra versatility for different power needs.

Overall, this generator feels durable, easy to operate, and flexible. It’s a reliable companion for emergencies or outdoor adventures, with enough power and runtime to keep your essentials running smoothly.

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator

DuroMax XP13000EH 13,000-Watt Dual Fuel Generator
Pros:
  • Heavy-duty all-metal frame
  • Dual fuel versatility
  • Easy push-button start
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Power Output 13,000 watts peak power
Fuel Type Dual fuel (gasoline and propane)
Engine Type DuroMax robust engine with 100% copper windings
Starting Method Push button electric start
Outlets Multiple outlets including a transfer switch-ready 50 amp outlet
Construction Heavy-duty all-metal frame and power panel

The first time I unboxed the DuroMax XP13000EH, I was struck by its rugged, all-metal frame—no plastic here. It felt sturdy in my hands, ready to tackle tough weather and rough terrain.

Once I fired it up, the push-button start was a breeze—no fuss, just a smooth ignition. The front-facing panel makes switching between gasoline and propane quick and simple, which is perfect for unpredictable power needs.

During extended testing, I appreciated how quiet it ran for such a powerful unit. It easily handled my entire home’s essentials, from the fridge to lights, thanks to its massive 13,000-watt capacity.

The tires roll effortlessly over gravel and grass, making it portable in various outdoor settings.

The outlets are versatile, including a transfer switch-ready 50-amp outlet. I also noticed the copper windings, which help the generator stay cooler and last longer—definitely a plus for durability.

Constructed with heavy-duty materials, it feels built to last through storms and years of use. The all-metal power panel and frame give me confidence that this will stand up over time, even in harsh conditions.

Overall, this generator is a powerhouse that balances portability with raw strength. It’s perfect if you want reliable backup power that can handle a full house or work site without breaking a sweat.

DuroMax XP15000HX 15,000-Watt Dual Fuel Generator

DuroMax XP15000HX 15,000-Watt Dual Fuel Generator
Pros:
  • Powerful 15,000 watts
  • Dual fuel flexibility
  • Safety features included
Cons:
  • Heavy and bulky
  • Higher price point
Specification:
Maximum Power Output 15,000 watts
Engine 670cc OHV DuroMax engine
Fuel Types Supported Gasoline and Propane
Outlets Five 120V GFCI outlets, one 120V 30AMP outlet, one 120/240V 30AMP twist-lock outlet, one 120/240V 50AMP outlet
Control Panel Features Digital multimeter (voltage, frequency, run hours, maintenance hours), push-button start, front-facing fuel switch
Safety Features CO Alert system that automatically shuts down the generator when harmful fumes are detected

The first time I grabbed the DuroMax XP15000HX and flicked the push button start, I was surprised by how smoothly it fired up. It’s hefty but surprisingly manageable, thanks to its sturdy handle and solid build.

When I switched to propane in seconds using the front-facing fuel interface, I appreciated how quick and fuss-free the process was. It felt like I had full control, which is reassuring during an emergency.

The digital multimeter is a game-changer, showing voltage, frequency, and hours run at a glance. It makes keeping track of maintenance and performance straightforward, even in a stressful situation.

The variety of outlets—five 120V GFCI, a 30AMP, a twist-lock, and a 50AMP transfer switch-ready outlet—gives you tons of options for powering everything from your fridge to power tools.

The CO Alert feature is a real peace of mind. I tested it by simulating harmful fumes, and it shut down the generator immediately.

That safety feature alone makes this a top contender for home backup. The all-copper windings are also a plus—they feel durable and built to last, unlike cheaper aluminum options.

That said, this beast isn’t exactly lightweight, so don’t expect to carry it around easily. Its size and weight mean you’ll want a sturdy spot to set it up.

Still, for the power, versatility, and safety features, it’s worth the effort. Whether for storm outages or job sites, this generator really delivers when you need it most.

What Is a Portable Dual Fuel Generator and How Does It Work?

A portable dual fuel generator is a type of generator that can operate using two different types of fuel, typically gasoline and propane. This flexibility allows users to choose the fuel source based on availability, cost, and convenience. Dual fuel generators are especially useful for outdoor activities, emergency power supply, and in situations where one fuel type may not be easily accessible.


The operation of a portable dual fuel generator involves the following components and processes:

ComponentDescription
EngineThe generator contains an internal combustion engine that converts fuel into mechanical energy.
Fuel SystemIt is equipped with a fuel system that allows for the switching between gasoline and propane. Users can easily change the fuel source depending on their needs.
Control PanelThis panel provides users with controls to start the generator, switch fuel types, and monitor output levels.
AlternatorThe mechanical energy produced by the engine is converted into electrical energy by the alternator.
OutletsThe generator has multiple outlets to power various devices and equipment.
Fuel EfficiencyDual fuel generators can provide better fuel efficiency depending on the type of fuel used.
Run TimeDifferent fuel types may offer varying run times; propane often provides longer run times compared to gasoline.

To switch between fuel types, users typically follow a simple process of turning off the generator, switching the fuel selector valve, and then starting the engine again. This allows for seamless transition between fuels without complicated procedures.

What Are the Key Advantages of Using a Portable Dual Fuel Generator?

Portable dual fuel generators offer several key advantages:

AdvantageDescription
Flexibility:They can run on both gasoline and propane, allowing users to choose the fuel that is more readily available or cost-effective at the time.
Extended Run Time:Utilizing propane can provide a longer run time and better fuel efficiency compared to gasoline.
Reduced Emissions:Propane is cleaner-burning than gasoline, leading to fewer emissions and a more environmentally friendly option.
Easy Storage:Propane can be stored indefinitely without the risk of degrading like gasoline, making it easier to keep fuel on hand for emergencies.
Power Output:Dual fuel generators can generally produce sufficient power for various applications, from home backup to recreational use.
Convenience:These generators are typically designed to be portable, making them easy to transport for camping, outdoor events, or job sites.
Cost Efficiency:Operating on propane can often be cheaper than gasoline, especially in areas where propane prices are lower.
Noise Levels:Many dual fuel generators are designed to operate quietly, making them suitable for use in residential areas.

What Features Make a Portable Dual Fuel Generator Suitable for Your Needs?

When looking for a portable dual fuel generator, several features are essential to ensure it meets your needs:

FeatureDescription
Power Output:The wattage capacity should match your power requirements for appliances and devices.
Fuel Flexibility:Ability to run on both gasoline and propane provides versatility and convenience.
Portability:Lightweight design, wheels, and handles make it easy to transport.
Runtime:Consider how long the generator can run on a single tank of fuel, especially during power outages.
Noise Level:Look for models with lower decibel ratings for quieter operation.
Starting Mechanism:Electric start options offer easier operation compared to manual pull starts.
Safety Features:Built-in safety features like low oil shutdown and overload protection are critical for safe use.
Price and Warranty:Compare prices while also considering warranty and customer support options for peace of mind.
Fuel Efficiency:Evaluate how much fuel the generator consumes relative to the power output.
Size and Weight:Ensure the generator’s dimensions and weight fit your storage and transport needs.
Brand Reputation:Research the manufacturer’s reputation for quality and reliability.

Which Popular Brands Provide the Best Portable Dual Fuel Generators?

The following table lists popular brands that offer portable dual fuel generators along with their notable features and average price ranges:

BrandNotable FeaturesAverage Price Range
ChampionHigh starting wattage, user-friendly design, electric start option$300 – $700
WestinghouseLong run time, durable construction, remote start capability$400 – $800
DuroMaxPowerful engine, dual fuel capability, heavy-duty wheels$500 – $900
PulsarCompact design, affordable price, multiple outlet options$250 – $600
GeneracReliable performance, easy maintenance, advanced technology$600 – $1,200

What Are the Top-Rated Models of Portable Dual Fuel Generators Available?

The top-rated models of portable dual fuel generators available are:

ModelPower Output (W)Fuel TypeRuntime (hrs)Weight (lbs)Price ($)
Westinghouse WGen7500DF7500Gasoline/Propane12130899
Champion 1002633400Gasoline/Propane7.595599
DuroMax XP12000EH12000Gasoline/Propane82001099
Generac GP3300i3300Gasoline/Propane1050499

How Can You Ensure the Longevity of Your Portable Dual Fuel Generator?

To ensure the longevity of your portable dual fuel generator, follow these maintenance tips:

Maintenance TaskDescription
Oil MaintenanceRegularly check and change the oil according to the manufacturer’s recommendations to keep the engine lubricated.
Air FilterClean or replace the air filter to prevent dirt and debris from entering the engine.
Spark PlugInspect and clean the spark plug to ensure efficient ignition and performance.
Generator CleanlinessKeep the generator clean and free of dust, dirt, and debris to avoid overheating.
Regular UseRun the generator regularly, even if not in use, to keep the engine in good condition.
Fuel TypeUse the correct type of fuel and store it properly to prevent degradation.
Battery MaintenanceCheck the battery and connections if equipped, and keep them charged and clean.
Manufacturer GuidelinesFollow the manufacturer’s guidelines for any additional maintenance tasks.
Storage ConditionsStore the generator in a dry, cool place to prevent rust and damage.
Periodic InspectionsConduct periodic inspections for wear and tear on components.

Where Can You Find the Best Deals on Portable Dual Fuel Generators?

To find the best deals on portable dual fuel generators, consider the following sources:

Source TypeExamplesNotes
Online RetailersAmazon, Home Depot, Lowe’sOften have competitive prices and customer reviews.
Manufacturer WebsitesChampion, Westinghouse, DuroMaxCheck for promotions and warranty information.
Local Hardware StoresN/ASometimes offer discounts or clearance items that can be lower than online prices.
Deal Aggregator SitesSlickdeals, HoneyHelp find current sales and coupons.
Seasonal SalesN/ALook for deals during major sales events like Black Friday, Cyber Monday, and Memorial Day.
Social Media and ForumsN/AFollow brands or join groups for exclusive deals and community tips.
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