Power interruptions disrupt daily routines, and flexible fuel options reduce downtime. Dual fuel generators run on gasoline or propane, letting you adapt to fuel availability and storage needs during storms or camping trips. This guide profiles five top dual fuel models, spanning large home backup units and portable inverter generators suitable for RV use. You’ll find runtimes, wattage ranges, safety features, and transfer-switch readiness, so you can compare how each model handles startup surges and extended runtime. A quick snapshot below highlights the core specs to help you narrow your choice quickly.
| Product | Brand | Gas Run Watts | Gas Peak Watts | Propane Run Watts | Propane Peak Watts |
|---|---|---|---|---|---|
| Westinghouse 12500 | Westinghouse | 9,500 | 12,500 | 8,500 | 11,200 |
| Westinghouse 14500 | Westinghouse | 11,500 | 14,500 | 10,500 | 13,500 |
| DuroMax XP13000EH | DuroMax | 13,000 | 13,000 | N/A | N/A |
| WEN DF680iX | WEN | 5,100 | 6,800 | 4,500 | 6,000 |
| WEN DF5600X | WEN | 4,500 | 5,600 | 4,050 | 5,000 |
Westinghouse 12500 Watt Dual Fuel Generator
The Westinghouse 12500 Watt Dual Fuel Generator delivers robust performance suitable for whole-home backup during extended outages. On gasoline, it provides 9,500 running watts and 12,500 peak watts; on propane, 8,500 running watts and 11,200 peak watts. A remote start with an included key fob simplifies operation, while electric and recoil start options ensure you can power up in various situations. It runs up to 12 hours on a 6.6-gallon tank and includes a digital VFT display that shows voltage, frequency, and lifetime hours. The unit is transfer switch ready and outfitted with two GFCI 120V outlets, a 30A transfer switch receptacle, and an RV-ready 50A receptacle, all with protective rubber covers. Its heavy-duty 457cc Westinghouse OHV engine features automatic low-oil shutdown and a long-lasting cast-iron sleeve, along with a digital hour meter for maintenance planning.
Westinghouse 14500 Peak Dual Fuel Generator
This higher-output Westinghouse model targets larger homes and demanding backup needs. On gasoline, it delivers 11,500 running watts and 14,500 peak watts; on propane, 10,500 running watts and 13,500 peak watts. The unit is designed for longer runtimes and tougher loads, with transfer switch readiness for seamless panel integration. It shares the same safety features as other Westinghouse big dual-fuel units, including rubber-covered outlets for safety and a robust 457cc engine. Expect extended operation with a sizable fuel tank, an hour meter, and a digital display for real-time status. It is an ideal choice for homes seeking substantial continuous power during outages or for job-site power with heavy equipment loads.
DuroMax XP13000EH Dual Fuel Generator
The DuroMax XP13000EH combines dual-fuel versatility with whole-home backup capabilities. It delivers up to 13,000 watts, making it a strong option for storm-centered outages or events requiring substantial electrical load management. The generator is designed for easy transport and quick startup, with a transfer-switch-ready configuration that supports home panel integration. As a dual-fuel model, it provides flexibility when fuel availability is uncertain, giving you options to keep critical circuits powered. Durability and reliability are emphasized by a rugged engine platform and a focus on long-term performance, backed by DuroMax’s experience in portable power solutions. It targets users needing reliable, high-wattage backup without compromising dual-fuel convenience.
WEN DF680iX Quiet Dual Fuel Inverter Generator
The WEN DF680iX is a compact, inverter-style dual-fuel generator designed for quiet operation and clean power delivery. On gasoline, it provides 6,800 surge watts and 5,100 running watts; on propane, 6,000 surge watts and 4,500 running watts. A bonded-neutral 240V configuration supports Level 2 EV charging, expanding practical use beyond basic backup power. The unit includes a CO shutdown sensor for safety, and its inverter design yields clean power suitable for sensitive electronics like phones and laptops. This model suits RVs, camping trips, or any scenario where portability, reliability, and power quality matter, with relatively low noise and improved fuel efficiency.
WEN DF5600X 5,600-Watt Dual Fuel Generator
The WEN DF5600X delivers solid dual-fuel performance in a portable package. Gasoline operation offers up to 5,600 surge watts and 4,500 running watts, while propane mode provides up to 5,000 surge watts and 4,050 running watts. Its electric start simplifies setup, and a CO watchdog sensor adds an essential layer of safety for indoor or near-structure use. This inverter-friendly, RV-ready unit is well suited for mid-sized homes, tailgating, or campground power needs where you want dependable power without excessive noise or weight. The DF5600X combines value with dual-fuel flexibility and modern safety features for everyday scenarios.
Buying Guide
Key purchase considerations
- Power needs and sizing: Determine your required running watts plus startup surge. Dual-fuel models provide flexibility, but larger units require more fuel and a sturdy transport setup. For home backup, aim for a model in the 11,000–14,000 watt range if you plan to run essential circuits or an HVAC system.
- Fuel versatility: Gasoline offers quick refueling, while propane stores longer and can be safer or easier to stockpile. Consider local fuel availability, storage space, and the cost impact of each fuel in your region.
- Transfer switch readiness: If you intend to power a home panel, check for transfer switch compatibility and available receptacles (L14-30, 14-50, etc.). Dual-fuel units with transfer-switch-ready design simplify installation and reduce electrical risks.
- Noise, portability, and footprint: Larger units can be heavy and loud. If portability matters (RV use, camping), prioritize inverter-style generators with compact footprints and lower decibel ratings.
- Power quality and electronics safety: Inverter generators deliver cleaner sine waves, which protect sensitive devices. For critical electronics, look for models with CO sensors or automatic shutdown features in case of dangerous CO levels.
- Outlets and versatility: Ensure the unit offers the outlets you need (multiple 120V outlets, 30A/50A RV outlets, and 240V options for transfer switches or EV charging).
- Engine durability and maintenance: Features like automatic low-oil shutdown, hour meters, and durable engine components extend lifespan and reduce maintenance surprises during outages.
- Warranty and service: Check the manufacturer warranty length and nearby service support. A robust warranty and accessible service network improve long-term reliability.
How to compare models quickly
- Large backup needs: Westinghouse 12500 and 14500 offer substantial wattage and transfer-switch readiness, suitable for whole-home backup in storms.
- Higher fuel flexibility on the move: DuroMax XP13000EH provides strong dual-fuel performance with panel-ready features for remote sites or larger cabins.
- Quiet, portable power: WEN DF680iX and DF5600X emphasize inverter reliability and noise-sensitive operation, ideal for RVs or campsites with neighbors nearby.
- Safety features emphasis: Models with CO watchdog sensors and automatic low-oil shutdown help ensure safer operation in enclosed spaces or basements during outages.