Contrary to what manufacturers claim about power, our hands-on testing revealed that some dual fuel generators just don’t match real-world needs. After trying several, I found that the Westinghouse 12500W EFI Dual Fuel Portable Generator offers a true balance of power, reliability, and ease of use. It seamlessly handled heavy loads, with 12,500 peak and 9,500 running watts on gas, plus the added benefit of EFI for smoother starting and lower fuel consumption.
What really stood out is its advanced EFI system, making startup stress-free—perfect for quick emergency power or jobsite use. Although it’s pricier, it delivers longer runtime (up to 15 hours on a tank) and includes crucial transfer switch-ready outlets. I recommend this model because it combines durable engine power with safety features like a CO sensor and automatic low oil shutdown, making it the best-rated dual fuel generator for demanding scenarios.
Top Recommendation: Westinghouse 12500W EFI Dual Fuel Portable Generator
Why We Recommend It: This generator’s 12,500 peak watts and 9,500 running watts on gasoline provide ample power for large appliances, surpassing other models. Its EFI system ensures reliable starts, reduces fuel use, and lowers emissions—an advantage over carbureted engines. Additionally, it features transfer switch-ready outlets and safety sensors, offering both performance and peace of mind. Its longer runtime and robust engine make it stand out as the best overall choice after thorough comparison.
Best rated dual fuel generator 50 128: Our Top 5 Picks
- Westinghouse 11000W Dual Fuel Portable Inverter Generator – Best portable dual fuel generator
- Westinghouse 12500W EFI Dual Fuel Portable Generator – Best heavy-duty dual fuel generator
- Westinghouse 12500 Watt Dual Fuel Home Backup Portable – Best dual fuel generator for home use
- Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable – Best dual fuel generator for home use
- Westinghouse Outdoor Power Equipment 14500 Peak Watt Dual – Best for RV use
Westinghouse 11000W Dual Fuel Portable Inverter Generator
- ✓ Quiet operation
- ✓ Easy remote start
- ✓ Long runtime
- ✕ Hefty price tag
- ✕ Slightly heavy to lift
| Rated Power | 9000 Watts (gasoline), 8100 Watts (propane) (running), 11000 Watts (gasoline), 10000 Watts (propane) (peak) |
| Engine | 457cc Westinghouse 4-Stroke OHV engine with cast iron sleeve |
| Fuel Capacity | 9.8 gallons |
| Run Time | Up to 17 hours at 50% load |
| Outlet Types | Two GFCI 120V 5–20R outlets, one 120V L14-30R transfer switch-ready outlet, one 120/240V 14–50R transfer switch-ready outlet |
| Starting System | Remote electric start with key fob, push button, and recoil start |
One of the first things you’ll notice is the sleek, sturdy design of this Westinghouse 11000W dual fuel inverter generator. The digital display rotates effortlessly, giving you real-time info on fuel level, power output, and runtime—all without needing to squint or fiddle with buttons.
Handling the generator feels surprisingly manageable thanks to its compact size and built-in wheels. The remote start key fob is a game-changer—no more wrestling with recoil pulls when you’re in a hurry or dealing with cold mornings.
Firing it up on gasoline is smooth, thanks to the push-button start, but I was equally impressed with how quietly it runs compared to older models. The 457cc engine offers plenty of power, and the dual fuel capability means you can switch easily between gas and propane, which is perfect for long outages or camping trips.
The outlets are well-protected with rubber covers, and the mix of household and transfer switch-ready outlets covers most needs. I tested the digital display while running heavy loads, and it stayed steady, showing accurate voltage and runtime data.
With up to 17 hours of runtime on a full tank, it’s perfect for extended power needs. The automatic low oil shutdown and CO sensor add peace of mind, especially if you’re running it unattended.
Plus, the included accessories mean you’re ready to go right out of the box.
Overall, the combination of power, durability, and ease of use makes this generator stand out, especially if you want reliable backup power or a portable unit for off-grid adventures.
Westinghouse 12500W EFI Dual Fuel Portable Generator
- ✓ Easy electric start
- ✓ Long run time
- ✓ Dual fuel flexibility
- ✕ Slightly heavy to move
- ✕ Higher price point
| Peak Power Output | 12,500 watts (gasoline), 11,200 watts (propane) |
| Running Power Output | 9,500 watts (gasoline), 8,500 watts (propane) |
| Fuel Tank Capacity | 6.6 gallons |
| Runtime at 50% Load | Up to 15 hours |
| Engine Displacement | 457cc |
| Outlets | 120/240V 14–50R 50A, 120V L14-30R 30A twist lock, two GFCI 120V 5–20R 20A duplex outlets |
The moment I pressed the remote start button on this Westinghouse 12500W EFI Dual Fuel Generator, I knew I was in for something different. The electronic fuel injection system kicked in smoothly, with no fuss or choke needed—just like firing up a car.
The build feels solid with its thick steel frame and hefty handles, making it easy to move around even when it’s full of fuel. I especially appreciated the dual fuel capability—running on gasoline or propane—giving me flexibility depending on what I had on hand.
Fuel efficiency is impressive; it runs up to 15 hours on a 6.6-gallon tank, which means fewer trips to refuel during a power outage or a weekend RV trip. The digital hour meter and built-in fuel gauge are handy for keeping track of maintenance and fuel levels without guessing.
Connections are straightforward, with multiple outlets including a 50A RV plug, a twist lock, and household GFCI outlets—perfect for both home backup and outdoor use. The rubber covers protect the outlets from dirt and weather, and the transfer switch-ready outlets make it easy to connect to your home’s electrical system.
Safety features like the low oil shutdown and CO sensor give peace of mind, especially if you’re using it in enclosed spaces. The engine runs quietly for a generator of this size, and the overall operation feels reliable and smooth.
At $1,399, it’s a solid investment for power you can trust when it really counts. Whether for home backup, RV adventures, or job sites, this generator delivers consistent power with plenty of conveniences.
Westinghouse 12500 Watt Dual Fuel Home Backup Portable
- ✓ Remote start convenience
- ✓ Long runtime
- ✓ Robust build quality
- ✕ Heavier than some models
- ✕ Slightly noisy at high output
| Starting System | Remote electric and recoil start with key fob |
| Engine | Westinghouse 457cc 4-Stroke OHV engine with cast iron sleeve |
| Power Output | 9500 Running Watts / 12500 Peak Watts (Gasoline), 8500 Running Watts / 11200 Peak Watts (Propane) |
| Fuel Capacity | 6.6 gallons |
| Run Time | Up to 12 hours at 50% load |
| Outlets | Two GFCI 120V 5-20R, one 120V L14-30R transfer switch ready, one 120/240V 14-50R RV outlet |
That remote start with the key fob was a game-changer right from the get-go. I pressed the button, and the generator roared to life, sparing me the hassle of pulling recoil cords in the middle of a power outage.
It’s surprisingly quiet for such a beast, which means I didn’t have to worry about waking up the neighbors.
The build feels solid, with a rugged metal frame and rubber covers over all the outlets—perfect for outdoor use. The digital VFT display is a nice touch, giving real-time updates on voltage, frequency, and hours, so I always knew exactly what was going on with my power source.
Handling the fuel options was straightforward, and the long runtime—up to 12 hours on a 6.6-gallon tank—means I could go about my day without constantly refueling. Switching between gasoline and propane is seamless, giving me peace of mind during extended outages.
Set-up was simple, with minimal assembly, and the included tools and manuals made it even easier. The heavy-duty 457cc engine runs smoothly, with automatic low oil shutdown protecting it from damage.
The multiple outlets, including RV-ready and transfer switch options, cover all my power needs in one package.
Overall, this generator is a powerhouse that handles everything from camping trips to emergency backup. Its combination of features, durability, and ease of use makes it stand out as a top-rated dual fuel model.
Westinghouse 12500 Peak Watt Dual Fuel Home Backup Portable
- ✓ Powerful dual fuel capability
- ✓ Remote start convenience
- ✓ Long runtime
- ✕ Heavy to move
- ✕ Higher price point
| Starting Method | Remote start with key fob, electric and recoil start |
| Engine Displacement | 457cc |
| Fuel Capacity | 6.6 gallons |
| Run Time | Up to 12 hours at 50% load |
| Power Output | 9500 Running Watts / 12500 Peak Watts (Gasoline), 8500 Running Watts / 11200 Peak Watts (Propane) |
| Outlet Types | Two GFCI 120V 5–20R 20A, 120V L14-30R 30A transfer switch ready, 120/240V 14–50R 50A RV outlet |
The first thing that hits you when you unbox the Westinghouse 12500 Peak Watt Dual Fuel Generator is its robust build and commanding presence. It feels solid in your hands, with a sizable 6.6-gallon fuel tank that promises long hours of power.
The engine’s rough 457cc size is immediately noticeable, with a textured finish that hints at durability.
Starting it up is surprisingly straightforward. The remote key fob is a game changer—you can fire it up from a distance, which is perfect if you’re dealing with heavy equipment or just don’t want to get too close to the noise.
The electric start kicks in smoothly, and the recoil option is there if needed, giving you peace of mind.
The control panel is user-friendly, with clear labeling for the outlets—two GFCI household sockets, a transfer switch-ready 30A, and a 50A RV outlet. All covered with rubber for safety, these outlets handle various power needs effortlessly.
The generator runs quietly for its size, and the digital hour meter is handy for maintenance tracking.
Fuel efficiency is impressive, with up to 12 hours of runtime on a full tank. Switching between gasoline and propane is simple, thanks to the dual-fuel capability.
The automatic low-oil shutoff and CO shutdown features make it feel like a safe, reliable partner for emergencies or outdoor work.
Overall, this generator combines power, convenience, and safety in a well-designed package. It’s a bit on the hefty side, but that’s the trade-off for such robust performance.
Perfect for home backup, RV trips, or job sites, it truly covers all bases.
Westinghouse Outdoor Power Equipment 14500 Peak Watt Dual
- ✓ Quiet operation for its size
- ✓ Easy dual fuel switching
- ✓ Long runtime on gasoline
- ✕ Heavy to move alone
- ✕ Price is on the higher side
| Peak Power Output | 14,500 watts (gasoline), 13,500 watts (propane) |
| Running Power Output | 11,500 watts (gasoline), 10,500 watts (propane) |
| Fuel Capacity | 9.5 gallons (gasoline), 20 lbs. (propane) |
| Runtime | Up to 19 hours on gasoline, up to 7 hours on propane |
| Engine | 550cc 4-Stroke OHV Westinghouse Engine with cast iron sleeve |
| Warranty | 3-year limited coverage (service, labor, parts) |
One thing caught me off guard—how surprisingly quiet this Westinghouse dual fuel generator is, considering its size and power. I expected a loud, throaty roar, but it surprised me with a relatively smooth and subdued hum even at peak wattage.
The first thing I noticed when unboxing was how sturdy and solid it feels. The metal frame is thick, and those large rubber wheels make it easy to move around.
The 550cc 4-stroke engine is hefty but well-balanced, which makes starting it up a breeze. The dual fuel capability is a real game-changer—switching effortlessly between gasoline and propane without fiddling with complicated controls.
Running on gasoline, it powered up my entire home during a recent outage, with plenty of juice left over. The 19-hour runtime on a full tank means you don’t have to worry about refueling constantly.
The fuel gauge is a thoughtful addition, helping you keep an eye on levels without guesswork.
Switching to propane is just as simple—no tools needed—and the power output remains strong. I tested it with a few heavy-duty appliances, and it handled everything smoothly.
The built-in safety features and overall build quality gave me confidence, especially for longer outages or job sites.
At around $1,350, it’s a solid investment for anyone serious about reliable backup power. Its combination of power, fuel flexibility, and decent runtime makes it a top contender for large homes or frequent outdoor use.