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Last updated on January 29th, 2024

Best Dual Fuel & Tri Fuel Generators

A hybrid portable generator that is powered by both gasoline and LPG gives you more flexibility in running costs, fuel availability and a longer total run time. A tri-fuel generator has the same benefits but with the extra convenience of another suitable fuel.

Table of Best Dual and Tri Fuel Generators

If you are looking for a portable generator that you can keep running for days then one with alternate fuel options offers you the best solution. These types of generators are also highly suitable for areas with fluctuating fuel prices and inconsistent fuel availability.

Though rare, you do have some choice in triple fuel generators and below are 3 of the best models. We have also ranked the top 7 dual-fuel generators of 2019 for you.

Read on to find the most suitable generator for your needs and make sure you are never out of power with these multi-fuel engines.

Top 3 Tri-Fuel Generators

A tri-fuel generator is capable or running on 3 different fuel types, in most examples these are gasoline, liquid propane gas and natural gas.

1. Most Versatile: Smart Generators Pramac Tri Fuel

The Pramac model with a 14 horsepower Kohler engine is a good all-rounder that is suitable for almost any situation. It holds enough power to keep most home appliances running during a power outage, is portable enough for the RV and sturdy enough for a construction site.

It comes standard with rugged rear wheels and folding pulling levers that help you move around its 200 pounds. For this amount of mass you get over 7000 watts of power that keeps you going for up to 24 hours on a 40 pound LPG tank with a half load.

It is nice to know that this machine produces relatively clean energy with less than 6% harmonic distortion. This is not at the level of an inverter generator but it is safe enough for most electronics.

Product Information Details
Surge Wattage (LPG) 7,500 watts
Running Wattage (LPG) 7,500 watts
Surge Wattage (Gas) 7,500 watts
Running Wattage (Gas) 7,000 watts
Surge Wattage (Natural Gas) 7,300 watts
Running Wattage (Natural Gas) 6,700 watts
Tank Size (Gas) 8 gal
Runtime Up to 24 hrs (50% load with Natural Gas)
Fuel Types LPG, Natural Gas, Gasoline
  • Versatile
  • Long Run Time
  • Relatively Small Gas Tank


2. DIY Tri-Fuel Option: Honda EU2200i + Hutch Mountain Tri-Fuel Kit

Honda EU2200i 2200W Portable Inverter Generator w. Companion and Parallel Cables

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The Honda inverter generator steadily remains one of the most trusted designs in the portable power market. If you have the same brand loyalty but do feel the pull of a multi-fuel engine then you are in luck with this DIY fix.

This Hutch Mountain conversion kit lets you transform the beloved Honda EU2200i into a tri-fuel inverter generator. The package includes all necessary parts and hoses so it is simply a matter of carefully following the instructions.

Do not worry about harming the performance of the original device since this accessory does not restrict air flow, does not modify the carburetor and keeps the Honda EU2200i running as good as usual. None of the original features are damaged, it only increases the flexibility.

Product Information Details
Surge Wattage (Gas) 2,200 watts
Running Wattage (Gas) 1,800 watts
Gasoline Tank Size 0.95 gallons
Run Time Up to 20 hours (50% load with Natural Gas)
Fuel Types LPG, Natural Gas, Gasoline
  • Cheaper Alternative to Dedicated Tri-Fuel Models
  • Saves Space
  • Only fits Honda EU2200i
  • Some DIY Required


3. Best for Residential Use: Winco HPS12000HE 360

This Winco generator uses a Honda GX engine making this a reliable and efficient option. It is also a powerful engine that is suitable for heavy duty use, no matter the type of fuel you are running it on.

It has a large 15 gallon gasoline tank which lasts for over 14 hours on a half load. It consumes 2.2 gallons of LPG per hour on a 50% load and requires 200 cubic feet of natural gas per hour on a full load.

Each package comes complete with a flat free wheel kit and folding handle, tri-fuel carburetor, gas regulator and Honda Oil Alert Warning System. It is also easy to fire up thanks to the electrical start making this a user-friendly choice.

Product Information Details
Surge Power (LPG) 10,800 watts
Running Power (LPG) 9,720 watts
Surge Power (Gas) 12,000 watts
Running Power (Gas) 10,800 watts
Surge Power (Natural Gas) 9,600 watts
Running Power (Natural Gas) 8,640 watts
Tank Size (Gas) 15 gallons
Run Time 14.5 hours (Gasoline)
Fuel Types LPG, Natural Gas, Gasoline
  • Electric Start
  • CARB & EPA Compliant
  • Heavy
  • Limited Warranty


Best Dual-Fuel Generators

A dual-fuel generator is capable of running on two different fuel types. Most common models consume LPG and gasoline but diesel and natural gas are also possible combinations.


1. Best Dual-Fuel: Champion Power Equipment 5500-Watt

Champion Power Equipment 6900-Watt Dual Fuel Portable Generator with Wheel Kit

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This American manufacturer is best known for their innovative designs and hybrid technology. This portable generator has a patented fuel safety switch for quick changes of fuel source, an Intelligauge to keep track of its metrics and a low-oil shutoff sensor.

This specific model is a good mid-size generator that will keep the household essentials such as the electric heater, AC unit, kitchen stove, refrigerator and freezer running during a power outage. This item is versatile, dependable and great value for money.

Product Information Details
Surge Power (LPG) 6,250 watts
Running Power (LPG) 5,000 watts
Surge Power (Gas) 6,900 watts
Running Power (Gas) 5,500 watts
Tank Size (Gas) 6 gallons
Run Time (50% load) 9 hours (Gasoline) 6 hours (LPG)
Fuel Types LPG & Gasoline
  • Affordable
  • Easy to Monitor
  • Not for Heavy-Duty Projects (light residential use is best)
Champion 5500-Watt Dual Fuel Portable Generator with Wheel Kit
  • Dual Fuel – Operate your 5500-watt portable generator right out of the box on either gasoline or propane, plus the...
  • Fuel Safety Switch – Our patented fuel selector switch allows for quick and safe switching between fuel sources

2. Best Small Size: Champion Power Equipment RV Ready Inverter

When portability and smooth running are the most important quality in your generator an inverter style model always wins. Yet again, Champion comes with an innovative design; an inverter generator capable of running on both LPG and gasoline.

This compact design is perfect for traveling with – weighing less than 99 pounds but still fitted with wheels and carrying handles. It is also the least noisy option with a rated noise level of only 59 decibels, safe for on a campsite out in nature.

Fuel efficiency is also better than expected with a rated run time of 7.5 hours on a full gas tank or 14.5 hours on a 20-pound LPG tank. Overall, this a great release from Champion that serves all your smaller electrical loads.

Product Information Details
Surge Power (LPG) 3,060 watts
Running Power (LPG) 2,790 watts
Surge Power (Gas) 3,400 watts
Running Power (Gas) 3,100 watts
Tank Size (Gas) 1.6 gallons
Run Time (25% load) 7.5 hours (Gasoline) 14.5 hours (LPG)
Fuel Types LPG & Gasoline
  • Highly Portable
  • Fuel-Efficient with Clean Energy
  • Only Suitable for Smaller Loads


3. Best Value for Money: Firman H03652

If you need more power than the average inverter but still prefer a highly portable model then this FIRMAN model checks all your boxes. It has 3300 rated watts on LPG and 3650 watts on gasoline with both options giving you well over 10 hours of run time.

Besides being portable with the standard rear wheels and padded folding handle, it is also a quieter model. It buzzes at only 67 decibels thanks to the Whisper Series muffler making this a very user-friendly and neighbor-friendly option.

You also get lots of accessories with this FIRMAN generator including a spark plug wrench, 2 wrenches, oil, funnel and 5.5 foot long extended propane hose. Overall, this is a great value for money generator that is very versatile in use.

Product Information Details
Surge Power (LPG) 4,100 watts
Running Power (LPG) 3,300 watts
Surge Power (Gas) 4,550 watts
Running Power (Gas) 3,650 watts
Tank Size (Gas) 5 gallons
Run Time (50% load) 14 hours (Gasoline) 10.5 hours (LPG)
Fuel Types LPG & Gasoline
  • Great Value for Cost
  • RV-Ready
  • Complaints of Oil Leakages in Some Cases


4. Most User-Friendly: Westinghouse Ultra Duty WGen12000DF

Westinghouse Outdoor Power Equipment 15000 Peak Watt Dual Fuel Home Backup Portable Generator,...

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A portable generator that is easy to use is a welcome piece of equipment when experiencing extreme weather conditions that cut out your power. This EPA and CARB-compliant beast has a high output that you can enjoy with the greatest ease since it is RV and transfer switch ready, has a remote electric start and nation-wide customer service by telephone.

There are also several safety features included such as covered outlets, automatic low oil shutoff and voltage regulation. Changing between gasoline and propane happens at the flick of a switch on the control panel, simple as that.

Product Information Details
Surge Power (LPG) 13,500 watts
Running Power (LPG) 10,800 watts
Surge Power (Gas) 15,000 watts
Running Power (Gas) 12,000 watts
Tank Size (Gas) 10.5 gallons
Run Time (50% load) 16 hours (Gasoline)
Fuel Types LPG & Gasoline
  • Very User-Friendly (Plug-and-Play Design)
  • High Capacity
  • Some Report Issues with Key Fob
Westinghouse WGen12000DF Ultra Duty Portable Generator - 12000 Rated Watts & 15000 Peak Watts - Dual Fuel
  • Gasoline: 12000 Running Watts and 15000 Peak Watts; Propane: 10800 Running Watts, 13500 Peak Watts; Electric Start and...
  • Features Two GFCI 120V 5–20R Standard Household Receptacles, One 120V L5-30R Outlet, One Transfer Switch Ready 120V...


5. Best Surprise: Pulsar 10,000 Watt Hybrid with Switch & Go

Pulsar PG10000B16 Portable Dual Fuel Generator-8000 Rated 10000 Peak Watts-Gas & LPG Electric...

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Pulsar is not the most recognizable generator brand but they consistently produce good quality models at a more affordable price than its closest competitor so it is definitely worth your consideration. This Pulsar hybrid is a great alternative to the Westinghouse WGen12000DF with many similar features at a lower price.

The Switch & Go dual-fuel model easily changes fuel source with a turning knob, has an electric start and plenty power outlets. It is also a portable yet sturdy design with metal frame, never-flat rear wheels and foldable pulling levers that amounts to a reasonable 200 pounds.

Pulsar generators have been underrated so far and this design shows that they are actually a strong contender of the more established brands. This is a great budget alternative without compromising on quality.

Product Information Details
Surge Power (LPG) 9,000 watts
Running Power (LPG) 7,000 watts
Surge Power (Gas) 10,000 watts
Running Power (Gas) 8,000 watts
Tank Size (Gas) 6.6 gallons
Run Time (50% load) 12 hours (Gasoline)
Fuel Types LPG & Gasoline
  • Affordable Given its Features
  • Very Portable
  • Power Output can be Reportedly Inconsistent
Pulsar Non-CARB 10,000W Dual Fuel Switch & Go Technology & Electric Start Portable Generator
  • 10, 000W peak 8000W rated (gas)/ 9000W peak 7000W rated (LPG)
  • The powerful 420cc, 4-stroke, OHV, air cooled Engine is protected by a durable powder coated Steel frame


6. Best Budget Buy: Sportsman Gen4000DF

A dual fuel generator does not have to be expensive to be good quality as proven by the Sportsman Gen4000DF. This model is a great choice for recreational use, including running appliances in the RV.

A 20 lbs LPG tank is sufficient for 12 hours of power and a full gas tank lasts up to 10 hours with a half load. This is not the most powerful option but it delivers enough output for the essentials during an emergency situation.

The biggest downside is that it is not very portable since the basic design does not have any wheels or a pulling or lifting handle. This makes the Gen4000DF more suitable for residential use where you can leave it under a covered space outside in the backyard.

Product Information Details
Surge Power (LPG) 3,600 watts
Running Power (LPG) 3,150 watts
Surge Power (Gas) 4,000 watts
Running Power (Gas) 3,500 watts
Tank Size (Gas) 3.6 gallons
Run Time (50% load) 10 hours (Gasoline)
Fuel Types LPG & Gasoline
  • Highly-Affordable
  • Fuel Efficient
  • Not Very Portable

7. Best Heavy-Duty Option: Duromax Hybrid XP12000EH

DuroMax XP12000EH Generator-12000 Watt Gas or Propane Powered Home Back Up & RV Ready, 50 State...

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For high power requirements in a sturdy design look no further than the Duromax hybrid XP12000EH with an electric start. This piece of portable power equipment is designed for any terrain and use with large solid-fill tires, heavy-duty all metal frame and fully insulated motor mounts.

This machine has truly earned its nickname as the ‘beast’ and can deliver you over 7 hours of electricity at a half load on either fuel type and even has a 50 amp outlet for the biggest load. This is the perfect choice for a construction site or rough terrain.

Read Our Full XP12000EH Review
Product Information Details
Surge Power (LPG) 11,400 watts
Running Power (LPG) 9,025 watts
Surge Power (Gas) 12,000 watts
Running Power (Gas) 9,500 watts
Tank Size (Gas) 8.3 gallons
Run Time (50% load) 8.83 hours (Gasoline) 7.2 hours (LPG)
Fuel Types LPG & Gasoline
  • Great for Heavy-Duty Use
  • Sturdy & Portable
  • LPG Performance is Reportedly a Little Lackluster
DuroMax XP12000EH Dual Fuel Electric Start Portable Generator
  • With 12,000 watts of power, the XP12000EH Dual Fuel generator will keep your whole home running during a storm or power...
  • DuroMax is the industry leader in Dual Fuel portable generator technology, with a full assortment ranging from digital...


Want More Dual Fuel Options?

Click Here For 10 More Dual Fuel Generators


Last update on 2024-07-14 / Affiliate links / Images from Amazon Product Advertising API