7 Best Dual Fuel Generators of 2025: Decent Runtime & Capacity

Dual-fuel generators offer the flexibility to operate on either gasoline or propane, providing versatility and reliability during power outages, outdoor activities, or on job sites. This adaptability ensures continuous power supply, even when one fuel source is unavailable. Below is a curated list of top dual-fuel generators, each excelling in various categories to meet diverse power needs.

1. Westinghouse WGen9500DF – Best Overall Dual-Fuel Generator

The Westinghouse WGen9500DF stands out for its robust power output and user-friendly features.

• Power Output: 12,500 peak watts and 9,500 running watts on gasoline; slightly less on propane.
• Runtime: Up to 12 hours on a 6.6-gallon fuel tank.
• Features: Remote start with an included key fob, transfer switch ready, and multiple outlets including 120/240V.

This generator is ideal for powering heavy-duty appliances and is suitable for home backup during emergencies.

bobvila.com

2. Champion 4500-Watt Dual Fuel Inverter Generator – Best for RVs

The Champion 4500-Watt Inverter Generator combines portability with efficiency, making it perfect for recreational use.

• Power Output: 4,500 starting watts and 3,500 running watts.
• Runtime: Up to 14 hours on gasoline.
• Features: Quiet operation at 61 dBA, clean power suitable for sensitive electronics, and RV-ready with a 120V 30A RV outlet.

Its compact design and low noise levels make it an excellent choice for RV enthusiasts and campers.

popsci.com

3. DuroMax XP13000EH Dual Fuel Portable Generator – Best for Heavy-Duty Use

For those requiring substantial power, the DuroMax XP13000EH delivers exceptional performance.

• Power Output: 13,000 starting watts and 10,500 running watts.
• Runtime: Varies depending on load and fuel type.
• Features: All-metal construction, idle control for fuel savings, and a variety of outlets including 120/240V 50A heavy-duty outlet.

This generator is suitable for powering multiple large appliances simultaneously, making it ideal for job sites and whole-house backup.

bestofmachinery.com

4. WEN DF475T Dual Fuel Portable Generator – Best Budget Option

The WEN DF475T offers reliable performance at an affordable price point.

• Power Output: 4,750 surge watts and 3,800 running watts on gasoline; slightly lower on propane.
• Runtime: Up to 11 hours on a 4-gallon gasoline tank.
• Features: Electric start, wheel kit for portability, and multiple outlets including 120V RV-ready receptacle.

It’s a cost-effective solution for emergency backup and recreational use.

thespruce.com

5. Pulsar G12KBN Dual Fuel Portable Generator – Best for Home Backup

The Pulsar G12KBN is designed to provide ample power for home emergencies.

• Power Output: 12,000 peak watts and 9,500 running watts on gasoline; slightly less on propane.
• Runtime: Up to 12 hours on an 8-gallon fuel tank.
• Features: Electric start, dual fuel capability, and multiple outlets including four 120V 20A AC outlets.

Its high output ensures that essential household appliances remain operational during power outages.

fieldandstream.com

6. Champion Power Equipment 100263 – Best Dual Fuel Inverter Generator

This Champion model offers clean power in a compact package.

• Power Output: 3,400 starting watts and 3,100 running watts.
• Runtime: Up to 7.5 hours on gasoline.
• Features: Quiet operation at 59 dBA, suitable for sensitive electronics, and parallel ready for increased power.

It’s perfect for tailgating, camping, and small appliance backup.

propaneva.com

7. DuroStar DS5500EH Dual Fuel Portable Generator – Best for Versatility

The DuroStar DS5500EH offers a balance between power and portability.

• Power Output: 5,500 starting watts and 4,500 running watts.
• Runtime: Up to 8 hours on gasoline.
• Features: Metal frame with isolated motor mounts, recoil start, and multiple outlets including 120/240V 30A twist lock.

Its versatility makes it suitable for a variety of applications, from home backup to outdoor events.

averagepersongardening.com

Selecting the right dual-fuel generator depends on your specific power requirements, budget, and intended use. The models listed above offer a range of options to suit different needs, ensuring that you have a reliable power source whenever and wherever it’s needed.