When you need reliable power for your home, RV, or job site, you’ll want to choose a dual fuel generator that matches your specific requirements. You can select from portable units ranging from 2,800 to 14,500 watts, each offering different features like remote start, CO detection, and inverter technology. The right choice depends on your power needs, budget, and intended use—but which model actually delivers the performance you’re counting on?
| Westinghouse 12500 Watt Dual Fuel Portable Generator |
| Best Overall | Peak Wattage (Gas): 12,500 watts | Running Wattage (Gas): 9,500 watts | Weight: 210 lbs | VIEW LATEST PRICE | Read Our Analysis |
| Westinghouse 6500 Watt Dual Fuel Portable Generator |
| Best Value | Peak Wattage (Gas): 6,500 watts | Running Wattage (Gas): 5,300 watts | Weight: 135.6 lbs | VIEW LATEST PRICE | Read Our Analysis |
| WEN 2800-Watt Dual Fuel Inverter Generator (DF280iX) |
| Most Portable | Peak Wattage (Gas): 2,800 watts | Running Wattage (Gas): 2,250 watts | Weight: Lightweight (unspecified) | VIEW LATEST PRICE | Read Our Analysis |
| WEN 3600-Watt Dual Fuel Portable Inverter Generator (DF360iX) |
| Best For RVs | Peak Wattage (Gas): 3,600 watts | Running Wattage (Gas): 2,900 watts | Weight: 49 lbs | VIEW LATEST PRICE | Read Our Analysis |
| WEN 4,750-Watt Dual Fuel Portable Generator (DF475T) |
| Best Budget Pick | Peak Wattage (Gas): 4,750 watts | Running Wattage (Gas): 3,800 watts | Weight: 105.8 lbs | VIEW LATEST PRICE | Read Our Analysis |
| WEN 6800-Watt Dual Fuel Portable Inverter Generator (DF680iX) |
| Best For Off-Grid | Peak Wattage (Gas): 6,800 watts | Running Wattage (Gas): 5,100 watts | Weight: 99.2 lbs | VIEW LATEST PRICE | Read Our Analysis |
| Westinghouse 14500 Watt Dual Fuel Portable Generator |
| Most Powerful | Peak Wattage (Gas): 14,500 watts | Running Wattage (Gas): 11,500 watts | Weight: Unspecified | VIEW LATEST PRICE | Read Our Analysis |
| WEN 5,600-Watt Dual Fuel Portable Generator (DF5600X) |
| Best Mid-Range | Peak Wattage (Gas): 5,600 watts | Running Wattage (Gas): 4,500 watts | Weight: Unspecified | VIEW LATEST PRICE | Read Our Analysis |
| Westinghouse 2800 Peak Watt Dual Fuel Portable Generator |
| Quietest Operation | Peak Wattage (Gas): 2,800 watts | Running Wattage (Gas): 2,200 watts | Weight: 45 lbs | VIEW LATEST PRICE | Read Our Analysis |
| PowerSmart 3800W Dual Fuel Inverter Generator with CO Sensor |
| Best Lightweight | Peak Wattage (Gas): 3,800 watts | Running Wattage (Gas): 3,300 watts | Weight: 50.7 lbs | VIEW LATEST PRICE | Read Our Analysis |
| Pulsar GD400BN 4000W Dual Fuel Portable Generator |
| Best Compact | Peak Wattage (Gas): 4,000 watts | Running Wattage (Gas): 3,200 watts | Weight: 47.3 lbs | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Westinghouse 12500 Watt Dual Fuel Portable Generator
How do you power your home during an outage without committing to a single fuel source? The Westinghouse WGen9500DF delivers 9,500 running watts on gasoline or 8,500 on propane. You’ll get up to 12 hours of runtime from its 6.6-gallon tank. The 457cc engine includes automatic low oil shutdown and a digital hour meter. Four outlets handle your needs: two 120V GFCI outlets, one 30A transfer-switch-ready outlet, and one 50A RV-ready outlet for 120/240V service. Weighing 210 pounds, it’s portable yet substantial. Remote start with key fob adds convenience. The unit arrives factory-tested with included battery charger, oil, funnel, and tools. Three-year limited warranty plus lifetime technical support backs your investment.
- Peak Wattage (Gas):12,500 watts
- Running Wattage (Gas):9,500 watts
- Weight:210 lbs
- Runtime (Gas at Half Load):Up to 12 hours
- Inverter Technology:Non-inverter
- Transfer Switch Ready:Yes (L14-30R 30A and 14-50R 50A outlets)
- Additional Feature:Remote start with key fob
- Additional Feature:RV Ready 120/240V outlets
- Additional Feature:Automatic low oil shutdown
Westinghouse 6500 Watt Dual Fuel Portable Generator
Need a generator that’ll power your home during an outage and fuel your RV during weekend trips? The Westinghouse 6500 Watt delivers 5,300 running watts on gasoline or 4,800 on propane. You get a 4.7-gallon tank with up to 14.5 hours runtime. Three outlets handle different needs: a standard 120V duplex, an RV-ready TT-30R connector, and a 30A transfer-switch outlet for whole-home backup. The 274cc engine includes automatic low-oil shutdown and CO detection. At 135.6 pounds with never-flat wheels, you’ll move it easily. Westinghouse backs it with a three-year warranty and lifetime technical support, making maintenance straightforward.
- Peak Wattage (Gas):6,500 watts
- Running Wattage (Gas):5,300 watts
- Weight:135.6 lbs
- Runtime (Gas at Half Load):Up to 14.5 hours
- Inverter Technology:Non-inverter
- Transfer Switch Ready:Yes (L14-30R 30A outlet)
- Additional Feature:Never-flat wheels for mobility
- Additional Feature:CO sensor safety feature
- Additional Feature:Transfer switch ready outlet
WEN 2800-Watt Dual Fuel Inverter Generator (DF280iX)
If you’re looking for a generator that won’t damage your phones, laptops, and tablets while powering through outages or outdoor work, the WEN DF280iX delivers clean, stable power suitable for sensitive electronics. This portable inverter generator runs on gasoline or propane, producing 2800 surge watts and either 2250 rated watts (gasoline) or 2000 rated watts (propane). You’ll find two 120V outlets, one 12V DC receptacle, and two USB ports for charging multiple devices simultaneously. The built-in WEN Watchdog CO Shutdown Sensor automatically shuts off the unit if carbon monoxide reaches dangerous levels, protecting you during operation. A fuel shutoff feature lets remaining carburetor fuel burn before shutdown, extending the generator’s lifespan. WEN backs this model with a three-year warranty.
- Peak Wattage (Gas):2,800 watts
- Running Wattage (Gas):2,250 watts
- Weight:Lightweight (unspecified)
- Runtime (Gas at Half Load):Unspecified
- Inverter Technology:Inverter (clean power)
- Transfer Switch Ready:No
- Additional Feature:WEN Watchdog CO Shutdown
- Additional Feature:Clean power for electronics
- Additional Feature:Two 5V USB ports
WEN 3600-Watt Dual Fuel Portable Inverter Generator (DF360iX)
The WEN DF360iX delivers dual-fuel flexibility that works well for RV owners and outdoor enthusiasts who need reliable backup power without breaking their budget. You’ll get 3600 surge watts on gasoline or 3500 on propane. Switch fuels using the tool-free quick-connector, then select eco-mode to stretch runtime. On gasoline, expect 5 hours at half-load; propane delivers up to 14 hours. The 49-pound inverter produces clean power under 1.2% distortion, protecting sensitive devices. Connect to two 120V outlets, one RV port, USB ports, or parallel additional units. The CO watchdog and low-oil shutdown safeguard your equipment automatically.
- Peak Wattage (Gas):3,600 watts
- Running Wattage (Gas):2,900 watts
- Weight:49 lbs
- Runtime (Gas at Half Load):Up to 5 hours
- Inverter Technology:Inverter (pure sine wave, <1.2% THD)
- Transfer Switch Ready:No
- Additional Feature:Parallel capability with kit
- Additional Feature:Tool-free LPG quick-connector
- Additional Feature:Up to 14 hours LPG
WEN 4,750-Watt Dual Fuel Portable Generator (DF475T)
For homeowners and contractors who need reliable backup power without sacrificing portability, WEN’s 4,750-Watt Dual Fuel Portable Generator (DF475T) delivers both gasoline and propane operation in a single unit. You’ll get 4,750 surge watts and 3,800 running watts on gas, or 4,350 surge and 3,500 running watts on propane. The 224cc engine features electric start with a key ignition for convenience. With a 4-gallon tank, you’ll achieve up to 11 hours of runtime at half load. The generator includes two 120V GFCI outlets, one 30A twist-lock outlet for transfer switches, and a 12V DC plug. Its wheel kit makes transport manageable, and the included 47-inch propane hose connects directly to standard tanks for immediate deployment during emergencies or job site work.
- Peak Wattage (Gas):4,750 watts
- Running Wattage (Gas):3,800 watts
- Weight:105.8 lbs
- Runtime (Gas at Half Load):Up to 11 hours
- Inverter Technology:Non-inverter
- Transfer Switch Ready:Yes (NEMA L14-30R 30A outlet)
- Additional Feature:240V transfer switch capability
- Additional Feature:Wheel and handle kit
- Additional Feature:47-inch LPG connection hose
WEN 6800-Watt Dual Fuel Portable Inverter Generator (DF680iX)
Want a generator that runs on either gasoline or propane and delivers clean power for sensitive electronics? The WEN 6800-Watt Dual Fuel Portable Inverter Generator (DF680iX) produces 6800 surge watts on gasoline or 6000 on propane. Its pure sine wave inverter keeps total harmonic distortion under 1.2% at full load, protecting laptops and phones. You’ll get up to 6.1 hours runtime on gasoline or 9 hours with a 20-pound LPG tank. The 224cc engine starts electrically with recoil backup. Safety features include automatic CO shutdown and low-oil/fuel auto shutoff. Eight outlets provide multiple connection options, including RV-ready 120V/240V capability for Level 2 EV charging.
- Peak Wattage (Gas):6,800 watts
- Running Wattage (Gas):5,100 watts
- Weight:99.2 lbs
- Runtime (Gas at Half Load):Up to 6.1 hours
- Inverter Technology:Inverter (pure sine wave, <1.2% THD)
- Transfer Switch Ready:Yes (NEMA L14-30R 120V/240V outlet)
- Additional Feature:Level 2 EV charging ready
- Additional Feature:Bonded-neutral 240V configuration
- Additional Feature:Pure sine wave inverter
Westinghouse 14500 Watt Dual Fuel Portable Generator
Need a generator that’ll run longer on gasoline while keeping propane as a backup option? The Westinghouse 14500 Watt Dual Fuel Portable Generator delivers 14,500 peak watts and 11,500 running watts on gas, or 13,500 peak and 10,500 running watts on propane. You’ll get up to 19 hours of runtime from its 9.5-gallon fuel tank, compared to 7 hours from a 20-pound propane tank. The remote electric start feature lets you activate it without manual effort. Its 550cc 4-stroke engine features a cast iron sleeve for durability. EPA compliance and a 3-year warranty cover parts and labor nationwide.
- Peak Wattage (Gas):14,500 watts
- Running Wattage (Gas):11,500 watts
- Weight:Unspecified
- Runtime (Gas at Half Load):Up to 19 hours
- Inverter Technology:Non-inverter
- Transfer Switch Ready:Yes (transfer switch ready)
- Additional Feature:Remote electric start standard
- Additional Feature:Up to 19 hours runtime
- Additional Feature:550cc cast iron engine
WEN 5,600-Watt Dual Fuel Portable Generator (DF5600X)
The WEN 5,600-Watt Dual Fuel Portable Generator (DF5600X) works best if you’re looking for a portable power solution that adapts to your fuel preferences and includes essential safety features. You’ll choose between gasoline for 5,600 surge watts or propane for 5,000 surge watts. The 224cc engine delivers 4,500 rated watts on gas and 4,050 on propane. You get a 4.3-gallon tank that runs up to 12.5 hours at half-load. The included wheel kit makes transportation easy. You’ll access power through two 20-amp outlets, one RV-ready 30-amp receptacle, and one transfer-switch-ready twist lock outlet. The Watchdog CO Shutdown Sensor automatically stops the generator when carbon monoxide reaches dangerous levels. Electric start ignition eliminates manual pulling. A three-year warranty covers your investment.
- Peak Wattage (Gas):5,600 watts
- Running Wattage (Gas):4,500 watts
- Weight:Unspecified
- Runtime (Gas at Half Load):Up to 12.5 hours
- Inverter Technology:Non-inverter
- Transfer Switch Ready:Yes (NEMA L5-30R 30A outlet)
- Additional Feature:WEN Watchdog CO Shutdown
- Additional Feature:Wheel kit included standard
- Additional Feature:Up to 12.5 hours runtime
Westinghouse 2800 Peak Watt Dual Fuel Portable Generator
If you’re seeking a generator that won’t disturb neighbors at campsites or drain your fuel tank during extended use, the Westinghouse 2800 Peak Watt Dual Fuel Portable Inverter Generator delivers both quiet operation and efficient runtime. This unit produces 2,800W peak and 2,200W running on gasoline, or 2,520W peak and 1,980W running on propane. You’ll get up to 12 hours of runtime at 25% load, and the Eco Mode reduces fuel consumption by up to 50% by adjusting engine speed to match your power demand. At 52 dBA, it operates quietly enough for campgrounds. Weighing just 45 pounds, you’ll transport it easily. The inverter technology keeps power clean for sensitive electronics, while dual 120V outlets—including a 30A RV outlet—power essential appliances like refrigerators and electronics. You can parallel two compatible units for full 30A output.
- Peak Wattage (Gas):2,800 watts
- Running Wattage (Gas):2,200 watts
- Weight:45 lbs
- Runtime (Gas at Half Load):Up to 12 hours
- Inverter Technology:Inverter (low THD)
- Transfer Switch Ready:Yes (TT-30R 30A outlet for RV)
- Additional Feature:Eco Mode fuel savings
- Additional Feature:Parallel capable with cables
- Additional Feature:As quiet as 52dBA
PowerSmart 3800W Dual Fuel Inverter Generator with CO Sensor
For camping trips and quiet residential areas where noise restrictions matter, you’ll want to contemplate this compact dual fuel inverter. The PowerSmart 3800W runs on gasoline or propane, delivering 3,300 rated watts on gas and 3,100 on propane. Its pure sine wave inverter safely powers sensitive electronics like laptops and CPAP machines. Operating at just 70 decibels from 23 feet away, it won’t disturb neighbors or campground rules. The built-in CO sensor automatically shuts down the unit if carbon monoxide reaches dangerous levels, protecting your safety. Weighing only 50.7 pounds with a portable design, you’ll easily transport it. The RV-ready TT-30R receptacle accommodates standard hookups, and runtime extends approximately four hours per fuel tank.
- Peak Wattage (Gas):3,800 watts
- Running Wattage (Gas):3,300 watts
- Weight:50.7 lbs
- Runtime (Gas at Half Load):Approximately 4 hours
- Inverter Technology:Inverter (pure sine wave, <3% THD)
- Transfer Switch Ready:Yes (TT-30R RV-ready receptacle)
- Additional Feature:Pure sine wave inverter
- Additional Feature:50.7 lbs ultra lightweight
- Additional Feature:Whisper quiet 70dB operation
Pulsar GD400BN 4000W Dual Fuel Portable Generator
Looking for a compact generator that won’t strain your back or your budget? The Pulsar GD400BN delivers 4000 peak watts on gas or 3600 peak watts on propane, providing flexible fuel options for different situations. Its 47.3-pound frame makes transport manageable. You’ll get up to 4 hours of runtime at half load with the 1.1-gallon tank. The inverter technology protects sensitive electronics like laptops and phones. Operating at roughly 59 decibels, it runs quietly enough for residential areas. The dual-fuel capability and parallel-ready design allow you to extend power when needed. One-year manufacturer warranty covers defects.
- Peak Wattage (Gas):4,000 watts
- Running Wattage (Gas):3,200 watts
- Weight:47.3 lbs
- Runtime (Gas at Half Load):Up to 4 hours
- Inverter Technology:Inverter (safe for sensitive electronics)
- Transfer Switch Ready:No
- Additional Feature:Parallel capability for extended
- Additional Feature:Ultra-lightweight portable design standard
- Additional Feature:Super-quiet 59dB at half-load
Factors to Consider When Choosing Dual Fuel Generators
When selecting a dual fuel generator, you’ll need to evaluate five key factors: power output requirements for your appliances, runtime and fuel capacity for your usage duration, noise level for your location and neighbors, safety features like automatic shutoff and circuit protection, and portability based on where you’ll store and transport the unit. Start by listing the wattage of devices you’ll run simultaneously, then match that to the generator’s rated output, ensuring you have adequate runtime by calculating fuel consumption against your estimated operating hours. Finally, check the noise ratings in decibels, review what safety protections are included, and verify the weight and handle design so you can actually move the generator when needed.
Power Output Requirements
How do you know what wattage your dual fuel generator actually needs to handle? Start by listing all appliances you’ll run simultaneously, then add their running watts together. Next, identify devices with motors or compressors—refrigerators, air conditioners, well pumps—and note their starting watts, which often exceed running watts by two to three times. Your generator’s running wattage must cover the continuous load, while peak wattage must accommodate the highest inrush demand. For example, a refrigerator running at 600 watts might need 2,000 peak watts to start. Document these requirements, compare them against manufacturer specifications, and select a model where peak wattage exceeds your largest starting demand and running wattage covers your total continuous load.
Runtime And Fuel Capacity
What’ll your generator actually run before you need to refuel? Runtime depends on two factors: fuel tank size and load level. Larger tanks—like 6.6 gallons—deliver longer operation than smaller 4–4.7 gallon tanks. Check your model’s half-load runtime first, since most generators run 9–14+ hours at half capacity versus shorter periods at full load. Gasoline typically provides longer runtimes than propane on dual-fuel models; some units run 12–19 hours on gas but only around 7 hours on a 20 lb propane tank. Inverter-based generators with ECO mode or automatic fuel shutoff optimize consumption across both fuel types. Compare these specs directly when evaluating models to match your runtime needs.
Noise Level Considerations
Beyond fuel capacity and runtime, noise level plays a significant role in where and how you’ll operate your dual-fuel generator. Most inverter dual-fuel models produce 52–65 decibels at quarter load, making them suitable for campgrounds and residential areas. Check noise specifications measured at standard distances—typically 23 or 25 feet—to compare models accurately. Generators with ECO modes and variable engine speeds reduce noise by matching output to your actual power demand. Lightweight inverter units with compact enclosures generally deliver quieter operation than open-frame models. Propane operation may produce slightly different noise levels than gasoline depending on engine tuning and load conditions. Compare decibel ratings across your shortlisted models to identify which ones meet your noise tolerance and location requirements.
Safety Features And Protection
Since you’ll be relying on your dual-fuel generator to power essential equipment and appliances, you need to prioritize models with built-in safety features that protect both the unit and your connected devices. Look for CO shutdown sensors that automatically turn off the generator when carbon monoxide levels become dangerous. Choose units with automatic low-oil shutdown to prevent engine damage from insufficient lubrication. Select models featuring fuel shutoff systems that drain carburetor fuel, reducing sludge buildup. Verify that transfer-switch-ready and RV-ready outlets include backfeed prevention protections. Check for overload protection and indicator lights that alert you to unsafe electrical conditions immediately. These safeguards prevent equipment damage and ensure reliable operation during extended use or emergencies.
Portability And Weight
When you’re selecting a dual fuel generator, you’ll need to evaluate how its weight and size fit your specific use case, since these factors directly affect whether you can transport and store the unit where you need it. Lightweight inverter models weigh around 45 pounds, making them ideal for van and RV use. Larger home backup units exceed 210 pounds and require permanent placement. Check the engine size—compact 149cc engines weigh less than 550cc models—to match your power needs with portability requirements. Examine fuel tank capacity: 4–6 gallon tanks extend runtime but increase weight and bulk. Look for integrated handles and wheel kits to improve mobility. Verify compact dimensions between 21–27 inches long and 13–20 inches wide for easier transport and storage in confined spaces.
Outlet Types And Compatibility
What outlets does your dual fuel generator actually need to power your specific equipment? Start by listing what you’ll plug in: standard appliances, RV systems, or home backup needs. Most dual-fuel models include two 120V GFCI outlets for regular devices. If you’re powering an RV, you’ll need a TT-30R outlet designed specifically for campground connections. For whole-home backup during outages, look for a transfer-switch-ready outlet like L14-30R or L5-30R that connects directly to your home’s electrical system. Check whether propane or gasoline mode affects outlet availability on your chosen model. Some units offer parallel capability, letting you connect two generators together to increase power. Match your generator’s outlet configuration exactly to your equipment requirements before purchasing.
Final Thoughts
When you’re selecting a dual fuel generator, you’ll want to compare wattage output, fuel type efficiency, and runtime for your specific needs. Check whether you need portability, RV compatibility, or job-site durability. Verify warranty coverage and safety features like CO detection. Review outlet options matching your equipment. Test the unit’s noise level if applicable. Match the generator’s capacity to your home or job requirements before purchasing.
Meet Ry, “TechGuru,” a 36-year-old technology enthusiast with a deep passion for tech innovations. With extensive experience, he specializes in gaming hardware and software, and has expertise in gadgets, custom PCs, and audio.
Besides writing about tech and reviewing new products, he enjoys traveling, hiking, and photography. Committed to keeping up with the latest industry trends, he aims to guide readers in making informed tech decisions.