The 8 Best Tri Fuel Generators of 2026

The Westinghouse WGen11500TFc stands out as a robust tri-fuel portable generator tailored for homeowners and RV owners needing dependable backup power. Capable of delivering up to 14,500 peak watts on gasoline, 13,500 on propane, and 12,000 on natural gas, it powers essentials like air conditioners, refrigerators, sump pumps, and entertainment systems simultaneously.

Key features shine in real-world use: the push-button electric start with remote key fob simplifies operation from afar, while low total harmonic distortion under 5% ensures clean power for sensitive electronics without risk of damage. Transfer switch-ready outlets (L14-30R 30A and 14-50R 50A) enable quick home integration, and the built-in CO sensor adds critical safety by auto-shutdown in hazardous conditions. Runtime reaches 19 hours on gasoline or 7 hours on a 20 lb propane tank.

Build quality impresses with a heavy-duty 550cc 4-stroke OHV engine featuring a cast iron sleeve for longevity, copper windings for cooler operation, and never-flat wheels plus a lift bracket for mobility. The VFT Data Center provides instant voltage, frequency, and hour readings, aiding maintenance.

Potential drawbacks include its 230-pound weight, which demands team effort for transport, and a bulky 27x26x26-inch frame better suited to stationary setups than frequent moves. Factory testing may leave a faint fuel odor initially.

Overall, the WGen11500TFc excels as a versatile, powerful solution for outage-prone areas, backed by a 3-year warranty and nationwide support. Ideal for those prioritizing reliability over lightweight portability.

Power Output: 14,500 peak / 11,500 running watts (gas); lower on propane/NG.

Fuel: Gasoline (9.5 gal tank), Propane (20 lb), Natural Gas.

Engine: 550cc 4-Stroke OHV with cast iron sleeve.

Features: Remote electric start, CO sensor, low THD, GFCI outlets, transfer switch ready.

Dimensions/Weight: 27.2"L x 26.1"W x 26.5"H / 230 lbs.

Warranty: 3-Year Limited.

The Westinghouse WGen10500TFc is a powerhouse tri-fuel portable generator designed for homeowners, RV enthusiasts, and jobsite pros needing dependable backup power. With up to 13,500 peak watts on gasoline, it can handle major appliances like air conditioners, refrigerators, and sump pumps simultaneously, making it ideal for blackouts or off-grid living.

Standout features include remote electric start via key fob, a heavy-duty 500cc OHV engine with cast iron sleeve for durability, and a CO sensor for automatic shutdown in unsafe conditions. Real-world performance shines with up to 19 hours runtime on gas, intuitive VFT Data Center for monitoring, and transfer switch-ready outlets that simplify whole-home connections. GFCI outlets ensure safety for household use.

Build quality impresses with robust construction, never-flat wheels for mobility, and included accessories like a tool kit and oil funnel. While its size aids stability, it may challenge solo transport. Maintenance is straightforward with low oil shutdown and digital hour meter.

Drawbacks include its bulk, which suits stationary use better than frequent carrying, and slightly reduced output on natural gas. Overall, the WGen10500TFc delivers exceptional value for reliable, versatile power.

Verdict: Highly recommended for anyone prioritizing fuel flexibility and home backup readiness in a single, feature-packed unit.

Power Output: 13,500 peak / 10,500 running watts (gas); 12,500 peak / 9,500 running (propane); 10,000 peak / 8,500 running (natural gas).

Engine: 500cc 4-Stroke OHV with cast iron sleeve.

Runtime: Up to 19 hours on 9.5-gallon gas tank.

Outlets: 2x GFCI 120V 5-20R (20A), 1x L14-30R (30A), 1x 14-50R (50A RV-ready).

Starts: Remote electric, electric push-button, recoil.

Features: CO sensor, low oil shutdown, fuel gauge, VFT Data Center.

The DuroMax XP13000HXT is a powerhouse tri-fuel portable generator designed for homeowners, RVers, and small businesses seeking reliable backup power. With 13,000 peak watts and 10,500 running watts from its 500cc OHV engine, it can handle essential appliances like air conditioners, refrigerators, and lights during extended outages.

Standout features include seamless switching between gasoline, propane, and natural gas fuels right out of the box, offering flexibility for any situation. The CO Alert technology automatically shuts down the generator if dangerous carbon monoxide levels are detected, while GFCI outlets and surge protection add layers of safety. Push-button electric start, remote start, and a recoil backup make firing it up simple, even from indoors.

Build quality shines with a steel frame, digital display for monitoring, and wheels with handles for mobility despite its 240-pound weight. The front-facing interface allows quick fuel changes, and it includes a 50A transfer switch-ready outlet for professional whole-home integration. Runtime varies by fuel: 8.5 hours on gasoline at 50% load, tank-dependent on propane, and unlimited on natural gas.

Potential drawbacks include its hefty size and weight, which demand careful handling, and the need for a licensed electrician for safe whole-home connections. Propane runtime depends on tank size, so planning is key.

Overall, the XP13000HXT earns top marks for power, versatility, and safety, making it an excellent choice for anyone prioritizing dependable emergency power without fuel limitations. Highly recommended for those prepared to invest in professional setup.

Power: 13,000 starting watts, 10,500 running watts

Fuel: Tri-Fuel (Gasoline, Propane, Natural Gas)

Engine: 500cc OHV, 4-Stroke

Starts: Electric Push-Button, Remote, Recoil

Outlets: 7 total, including 50A transfer switch-ready

Dimensions: 30in L x 30in W x 26in H; Weight: 240 lbs

Runtime: 8.5 hours at 50% on gasoline (8.3 gal tank)

The Westinghouse iGen8200TFc stands out as a premium tri-fuel inverter generator designed for homeowners seeking robust backup power, RV campers wanting reliable off-grid energy, and jobsite pros needing clean, quiet electricity. With 8200 peak watts on gasoline dropping efficiently on propane or natural gas, it powers major appliances like air conditioners and refrigerators simultaneously via its transfer switch-ready 50A outlet.

Key features shine in real-world scenarios: inverter technology delivers less than 3% THD for safe operation of sensitive devices, while the 298cc OHV engine with copper windings runs cooler and lasts longer. Expect up to 17 hours at 25% load, remote start from up to 100 feet, and a CO sensor that auto-shuts down for safety. The RV-ready TT-30R outlet and GFCI duplex make it versatile for travel or emergencies.

Build quality impresses with a fully enclosed design, never-flat wheels, and a folding handle for portability despite its 134.5-pound heft. The LED data center tracks voltage, frequency, and hours, aiding maintenance. While heavy for solo handling and bulky for small storage, its durability and 3-year warranty justify the investment.

Minor drawbacks include the weight and need for natural gas plumbing, but benefits like fuel savings, low noise, and electronic safety make it superior. Verdict: Top choice for those prioritizing power reliability and versatility over ultralight portability.

Power: 8200 peak / 6600 running watts (gas); Voltage: 120/240V; Frequency: 60 Hz

Fuel: Tri-fuel (Gasoline 3.9 gal, Propane, Natural Gas); Runtime: Up to 17 hours at 25% load

Engine: 298cc 4-Stroke OHV with cast iron sleeve; Start: Electric/Remote

Outlets: 14-50R 50A, TT-30R 30A RV, GFCI 5-20R Duplex; Features: CO Sensor, Low Oil Shutdown, Digital Display

Dimensions: 27 x 20.9 x 21.7 inches; Weight: 134.5 lbs; Warranty: 3 Years Limited

The Westinghouse WGen14500TFc is a powerhouse tri-fuel portable generator designed for homeowners, jobsites, and RV enthusiasts needing robust backup power. With up to 18,000 peak watts on gasoline (and strong outputs on propane and natural gas), it powers major appliances like air conditioners, refrigerators, and sump pumps simultaneously via transfer switch-ready outlets. Ideal for larger homes or extended outages, its 713cc V-Twin engine delivers reliable performance with up to 16 hours of runtime at 25% load on a 10.5-gallon tank.

Standout features include a CO sensor for automatic shutdown in unsafe conditions, less than 5% THD for safely running sensitive electronics, and convenient remote electric start. Users praise its quick setup, smooth operation across fuels, and VFT data center for monitoring output. Real-world tests show it handles heavy loads without surging, though natural gas may have minor initial dips stabilized by switching to gasoline for peak performance.

Build quality shines with a durable open-frame metal design, copper windings for cooler operation and longevity, reinforced handles, and never-flat wheels for mobility. Operating at 74 dBA, it's relatively quiet for its class. Included accessories like oil, propane hose, and battery charger make it ready out of the box.

Drawbacks include its substantial 348-pound weight, which demands careful handling, and isolated reports of fuel solenoid sticking on gasoline (fixable with basic troubleshooting) or support delays for parts. Overall, it earns high marks for versatility and power.

Verdict: A top-tier choice for those prioritizing fuel flexibility and raw power in a generator. Backed by a 3-year warranty and lifetime tech support, it provides true peace of mind for emergency preparedness.

Power Output: 18,000 peak / 14,500 running watts (gas); lower on propane/NG

Fuel Type: Gasoline, Propane, Natural Gas

Engine: 713cc 4-Stroke OHV V-Twin

Runtime: Up to 16 hours at 25% load

Outlets: 7 total (incl. 50A/30A 120/240V transfer-ready, GFCI duplex, USB)

Dimensions: 30.3 x 34.9 x 34.3 inches; 348 lbs

Features: CO Sensor, Remote Start, Low THD, VFT Display

The Westinghouse WGen20000TFc is a high-capacity tri-fuel portable generator designed for whole-home backup and demanding jobsite applications.

It delivers strong performance through a 999cc V-Twin engine and supports gasoline, propane, or natural gas, giving users flexibility when fuel supplies are limited.

Key features include remote start, multiple high-amperage outlets ready for transfer switches, low THD power for electronics, and a 125A terminal block for direct home wiring by an electrician.

The unit is built with durable components like copper windings and a cast-iron engine sleeve, though its substantial weight and size may challenge single-person handling and storage.

Overall it provides reliable high-output power with useful safety and monitoring features for homeowners or contractors who need serious backup capacity.

The DuroStar DS13000MXT is a powerhouse tri-fuel portable generator designed for homeowners, RV enthusiasts, and anyone needing robust emergency power. With 13,000 peak watts and 10,500 running watts from its 500cc OHV engine, it handles whole-home essentials like central AC, refrigerators, lights, and more, making it perfect for blackouts, storms, or off-grid adventures.

Standout features include tri-fuel capability for gasoline, propane, or natural gas, offering fuel flexibility and extended runtime - up to 13 hours on gas or unlimited on natural gas. Customers rave about its performance, powering entire homes with minimal strain even under heavy loads like dual AC units and appliances. The remote electric start, fully loaded power panel with 50A transfer switch outlet, and CO Alert for fume detection ensure safe, convenient operation.

Build quality shines with a steel frame, wheel kit, and included accessories like a natural gas hose and propane regulator. Assembly is quick, and it starts instantly, as noted in reviews. The 3-year warranty adds peace of mind for long-term reliability.

Drawbacks include a loud operation typical of high-wattage generators and its hefty weight, which may need extra help to maneuver despite wheels. Professional electrician setup is recommended for whole-home integration.

Overall, the DS13000MXT excels as a versatile, powerful backup solution. If you prioritize fuel options and home protection, this generator delivers exceptional value and performance.

Power: 13,000 starting watts / 10,500 running watts, 240V, 60Hz

Fuel: Gasoline (8.3 gal tank), Propane, Natural Gas

Engine: 500cc 4-Stroke OHV, Electric/Recoil Start

Runtime: Up to 13 hours at 50% load on gasoline

Outlets: 4 total, including 50A transfer switch-ready

Dimensions: 30.5 x 27.3 x 26 inches, Portable with wheels

Warranty: 3 Years

The Generac GP9500 is a high-capacity tri-fuel portable generator designed for homeowners facing extended power outages, contractors powering remote job sites, and RV enthusiasts needing reliable off-grid electricity. With 12,500 starting watts and 9,500 running watts, it supports essential home appliances, tools, and recreational setups across gasoline, propane, or natural gas fuels.

Standout features include the simple fuel selector dial for effortless switching, electric start system with rechargeable battery for quick activation, and COsense technology that monitors carbon monoxide levels and shuts down automatically for safety. The 500cc OHV engine paired with a 7.5-gallon tank delivers up to 9.5 hours at 50% load on gas, while propane or natural gas extends runtime further, proving reliable in real-world emergencies and demanding applications.

Build quality shines with a reinforced steel tube cradle, weather-protected outlets, low-oil shutdown, and heavy-duty wheels with a fold-down handle for mobility over uneven terrain. As a Generac product, it benefits from decades of expertise in durable, innovative generators trusted by professionals.

Potential drawbacks include its substantial 219-pound weight, which may challenge solo handling, and 49-state compliance excluding California. Setup for natural gas requires the included kit, adding a minor step.

Overall, the GP9500 excels as a versatile powerhouse for critical backup needs, earning top marks for flexibility, safety, and performance in home, work, and play scenarios.

Power Output: 12,500 starting watts / 9,500 running watts

Fuel Types: Gasoline, propane, natural gas

Engine: 500cc OHV, electric start

Runtime: Up to 9.5 hours at 50% load on gasoline

Dimensions: 27.5 x 27.1 x 27.6 inches

Weight: 219 pounds

Outlets: Multiple 120V AC, covered panel