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The 15 best gas for generators of 2025

The 15 best gas for generators of 2025

Updated: May, 08 2025

Damien Volkman
Damien Volkman

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In this May 2025 review, we explore the 15 best gas for generators options available. Our expert analysis, led by Damien Volkman, ensures you find the perfect fit.

4500 Watt Dual Fuel Generator Propane & Gas
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The 15 best gas for generators of 2025

best gas for generators

4500 Watt Dual Fuel Generator Propane & Gas
4500 Watt Dual Fuel Generator Propane & Gas

4.2

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  • ⚡ 4500 Peak Watt | 3600 Rated Watt on Gas or 4200 Peak Watt | 3300 Watt on Propane! Powered by Genkins's 4 Choke 233 cc Engine

  • ⚡ Dual Energy Source, run on gas or propane!

  • ⚡ 4 Gal Gas Tank, ensure a 6.5 run time at full load or 9 hours at half load

  • ⚡ Ideal for light buds, Small or Large Appliance, Air Compressors, Power Tools etc

  • ⚡ 1 Year Manufacture Warranty! Parts & Service on us within first year of purchase!!

Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered

4.7

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  • 9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); Remote Start With Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6. 6 Gallon Fuel Tank With Fuel Gauge

  • Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 14–50R; All Outlets Have Rubber Covers for Added Safety

  • Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter. VFT display gives you real time updates with the voltage output, frequency, and lifetime hours

  • Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

Pros

  • High Power Output

  • Dual Fuel Capability

  • Remote Electric Start

Cons

  • Heavy and Bulky

  • Noise Level

  • Higher Price Point

Westinghouse Outdoor Power Equipment 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse Outdoor Power Equipment 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

4.8

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  • Perfect as a backup power source for larger homes or a dependable source of portable power

  • 14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts (propane); 12,000 peak watts, 9,500 running watts (natural gas)

  • Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank

  • Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve

  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

DuroMax XP13000EH Dual Fuel Portable Generator 13000 Watt Gas or Propane Powered Electric Start-Home Back Up, Blue/Gray
DuroMax XP13000EH Dual Fuel Portable Generator 13000 Watt Gas or Propane Powered Electric Start-Home Back Up, Blue/Gray

4.4

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  • With 13,000 watts of power, the XP13000EH Dual Fuel generator will keep your whole home running during a storm or power outage

  • DuroMax is the industry leader in Dual Fuel portable generator technology, with a full assortment ranging from digital inverters to generators that can power your entire home

  • At the core of all our products resides a robust DuroMax engine. Designed for Power. Designed to Last

  • The XP13000EH comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets (including a transfer switch-ready 50 amp outlet)

  • Constructed with a heavy-duty all metal frame and power panel - No plastic parts

  • Built to withstand severe weather and years of heavy wear-and-tear

  • Power wherever and whenever you need it - No-flat tires roll easily over any terrain

  • 100% Copper Windings - Unlike aluminum, copper is a superior heat conductor that extends the life of your generator

  • Stay powered with our EH line of portable generators

  • DuroMax portable generators are designed to be mobile and versatile, with the ability to provide power whenever and wherever you need it. Unlike traditional standby generators that are large, expensive, yet only serve one purpose, DuroMax generators will power you whether you’re at home, on an RV trip, or at the jobsite

YAMAKATO Generator Gas Fuel Tank for Champion 5500 6250 6500 6875 7000 7200 7500 7800 7850 8000 9000 9375 Watt Firman Honda Clone 5KW(7 gallons)
YAMAKATO Generator Gas Fuel Tank for Champion 5500 6250 6500 6875 7000 7200 7500 7800 7850 8000 9000 9375 Watt Firman Honda Clone 5KW(7 gallons)

4.2

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  • It's a Chinese 5kw~8kw generator gasoline fuel tank for many Honda clone generators which varies in sizes. Please check the product images and mouting hole positions before ordering.

  • For many Honda EC6500 EL6500CXS EB5000X and clone 11hp 13hp 389 420 439 cc generator gas tanks.

  • For Champion 5500w 100231, 6250/5500w 100106 100409, 6250/5000w 100409, 6500w 100462, 6875/5500w 100340, 7500w 100296 100463 100165 100230, 7800/6500w 100107, 7850/6250w 100592, 8000w 100297, 9000/7200w dual fuel 100230, 9000/7000 dual fuel 71530 100155, 9375/7500 watt 100219 100296 100161 generators. ( part number: 152.071000.31.48 ).

  • For some DuroMax Champion WEN Power LIfan Westinghouse Etq Gentron Chicago Centurion Powerhorse Powermax Firman Sportsman Onan HomeSite generators.

  • Comes w/ 1x gas tank【21.5L (nominal capacities) / 28.8L (total capacities)】 , 1x gas cap, 1x strainer, 1x fuel valve, 1x fuel line.

YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Gas to LPG CNG Conversion Kit OEM for Fuel Generac Predator Champion Duromax Honda etc. 459cc 338cc 301cc GX270 GX340 GX390 Manual
YAMAKATO 389cc 420cc Tri Dual Generator Carburetor Gas to LPG CNG Conversion Kit OEM for Fuel Generac Predator Champion Duromax Honda etc. 459cc 338cc 301cc GX270 GX340 GX390 Manual

4.2

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  • A Tri fuel or dual fuel Manual Carb Kit for Huayi P27-3DL Honda and Clone GX 270 340 390 displacement 301 337 389 420 439 459 cc 182f 188f 190f 192f Generators carburetor replacement, OEM quality. Also for gasoline generator convertion to nature gas LPG LNG CNG. The kit includs non-asbestos mounting gaskets.

  • OEM standard for Generac GP5000 GP5500 GP6500 GP6500E GP8000E XT8000E, for WH7500E WGEN5500 WH5500 WH5500C WHGEN6000 WH7000EC, for Firman P05706 P05701 P05700 P06701, for All Power APGG7500 APGG6000 APGG6000hd APG10000 APGG10000

  • OEM standard for Champion models 40030 41030 41119 41135 41311 41351 41513 41570 41534 41552 41553 100102 100153 100165 41430 41537 100219 41533 41302 100203 100247 100340 100452 100109 100462 100248 100538 100704 100693 100463 100219 100496 100813 100814 201033

  • OEM standard for Predator 9000 7250 5500 7000 Duromax XP10000E DuroStar DS10000E A-ipower 9000 Thru 12000 SAU9000, SAU10000 SAU12000E Ironton 5500 running 7000 50700,for Powerhorse 5500 running through 9000 750140 750141 750142 Gentron 8000 10000

  • Note it's not a auto type carb, and note: The gas has to be pressure regulated natural gas(shortened as PNG or CNG) should be between .29 or .37 psi and LPG need to be .40 or .55 psi; natural gas generally has a regulator before entering the building. For LP gas a regulator has to be installed on the tank. Basic mechanical ability is needed as these units only come with basic operation instructions

4000 Watt Inverter Generator, 120V Gas Powered Generator Super Quiet, RV Ready/EPA for RV, Camping and Home
4000 Watt Inverter Generator, 120V Gas Powered Generator Super Quiet, RV Ready/EPA for RV, Camping and Home

4.2

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  • 【Strong Power】This portable generator has a starting power of 4000W that can your daily needs of various electrical appliances and equipment in camping, outdoor activities or home backup power.

  • 【Low Noise】POXURIO inverter generator adopts advanced sound reduction technology and produces a noise value of only 66 decibels during operation(much lower than other traditional generators), ensuring the comfort of electricity consumption.

  • 【Gas Powered】Our gas powered generator is welcomed by the majority of people. Compared with other fuel types, gasoline is more convenient to store, more affordable, and more convenient to obtain, making it one of the most common fuels in people's daily lives.

  • 【Parallel Operation】This generator outdoor supports parallel operation, and you can achieve power supply of over 4000W by 2 or 3 machines. Also it has excellent current stability that protects electrical equipment from voltage fluctuations.

  • 【Lightweight Design】The generator is made of lightweight materials, weighing only 52.9 pounds so it is easy to carry and store. You can easily carry and set up this generator to meet the backup power needs for outdoor camping and emergency situations.

DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue

4.6

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  • With 13,000 watts of power, the XP13000HXT Tri Fuel generator will keep your whole home running during a storm or power outage, while protecting your family from harmful fumes with CO Alert

  • Run your generator on gasoline, propane, or natural gas. With Tri Fuel, we offer the ultimate freedom and flexibility of fuel choice

  • Powerful 500cc OHV Engine: At the heart of this generator resides a robust DuroMax engine designed to provide you with the most power.

  • The XP13000HXT comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets including a transfer switch-ready 50 amp outlet

  • Push Button Start and Remote Start: Turn on your generator with a simple push of a button, or use the remote to conveniently start your generator from a distance.

Westinghouse Outdoor Power Equipment 4650 Peak Watt Portable Generator, RV Ready 30A Outlet, Gas Powered, CO Sensor
Westinghouse Outdoor Power Equipment 4650 Peak Watt Portable Generator, RV Ready 30A Outlet, Gas Powered, CO Sensor

4.6

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  • 3600 Running Watts and 4650 Peak Watts; Recoil Start; 4 Gallon Fuel Tank With Fuel Gauge; Up to 14 Hours of Run Time Per Tank

  • Feature Two 5–20R 120V Household Duplex Receptacle, One RV-Ready TT-30R 30 Amp Receptacle, and One L5-30R 30 Amp Receptacle; All Outlets Have Rubber Covers for Added Safety

  • Plug-and-Play: Comes With Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

  • Powered by a 212cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil and Carbon Monoxide (CO) Shutdown

  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network

Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

4.8

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  • 13500 Peak Watts, 10500 Running Watts (Gasoline); 12500 Peak Watts, 9500 Running Watts (Propane); 10000 Peak Watts, 8500 Running Watts (Natural Gas); Remote Start With Included Key Fob, Electric and Recoil Start; Up to 19 Hours of Run Time on a 9.5 Gallon Fuel Tank With Fuel Gauge

  • Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 14–50R; All Outlets Have Rubber Covers for Added Safety

  • Powered by a Heavy Duty 500cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Digital Hour Meter

  • Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, and Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

WEN 5600-Watt Portable Generator, 224cc, Transfer-Switch and RV-Ready (GN5600)
WEN 5600-Watt Portable Generator, 224cc, Transfer-Switch and RV-Ready (GN5600)

4.4

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  • Keep your family safe with 5600 starting watts and 4500 running watts of power

  • Wheel and handle kit makes for easy transport between uses

  • 4.3-gallon gas tank provide up to 12.5 hours of half-load run time

  • Packed panel includes two standard 120V 5-20R 20-amp outlets, one RV-ready 120V 30-amp TT-30R outlet, and one transfer-switch-ready 120V 30-amp NEMA L5-30R twist lock receptacle

  • Features a 224cc engine and a three-year limited warranty

Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator, Remote Electric Start, Gas & Propane Powered, RV Ready, CO Sensor, Parallel Capable
Westinghouse 4000 Peak Watt Super Quiet Dual Fuel Portable Inverter Generator, Remote Electric Start, Gas & Propane Powered, RV Ready, CO Sensor, Parallel Capable

4.6

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  • 4000 Peak Watts and 3300 Rated Watts at Less Than 3% THD – Telescoping Handle – Gas or Propane Powered – Remote Start With Included Key Fob, Electric and Recoil Start

  • Features a 5–20R 120V Duplex Household Outlet, an RV-Ready Tt-30R 30 Amp Outlet and Two USB Outlets – Great Choice for Travel Trailers or Home Use with Automatic Low Oil and Carbon Monoxide (CO) Shutdown – Strong Enough to Run All Your Essentials

  • Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours

  • Extremely Quiet, Extremely Fuel Efficient: as Low as 52 dBA Noise Output and Up to 7 Hour Run Time on a 1.69 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency

  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

Westinghouse 2550 Peak Watt Super Quiet & Lightweight Portable Inverter Generator, RV Ready 30A Outlet, Gas and Propane Powered, CO Sensor, Parallel Capable, Long Run Time
Westinghouse 2550 Peak Watt Super Quiet & Lightweight Portable Inverter Generator, RV Ready 30A Outlet, Gas and Propane Powered, CO Sensor, Parallel Capable, Long Run Time

4.5

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  • 2550 Peak Watts and 1900 Rated Watts at Less Than 3% THD – Weighs Only 42.4 Lbs. – Gas or Propane Powered – One RV Ready TT-30R Outlet, Two 120V 20 Amp Outlets, and Two USB Outlets

  • Great Choice for Home Use as an Emergency Backup in a Power Outage – Strong Enough to Run All Your Home Essentials

  • Extremely Quiet, Extremely Fuel Efficient: As Low As 52 dBA Noise Output and Up to 12 Hours of Run Time on a 1.16 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency

  • Plug-and-Play: Comes With Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

Pulsar 1,200W Carrying Handle, PG1202SA Gas-Powered Portable Generator, 1200W, Black/White
Pulsar 1,200W Carrying Handle, PG1202SA Gas-Powered Portable Generator, 1200W, Black/White

4

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  • 1,200 Peak Watts/ 900 Running Watts of power

  • The Single Cylinder, 2-Stroke Engine with Recoil Start and Durable, Compact Design are perfect for camping and other outdoor recreation

  • 1.1 Gallon Fuel Tank gives you up to 5 hours of continuous operation at half load

  • (2) 120V Outlets and (1) 12V DC Output provide you with ample space for powering tools and other devices

  • Backed by a 1 Year Limited Warranty

  • Not supposed to run AC units. We are not responsible for any customer misuse

3/4 Natural Gas Hose For Generator 56FT, 3/4" ID Natural Gas Quick Connect Hose, Patio Heater, Grill Griddle, And Outdoor Ng/Lp Propane Appliance
3/4 Natural Gas Hose For Generator 56FT, 3/4" ID Natural Gas Quick Connect Hose, Patio Heater, Grill Griddle, And Outdoor Ng/Lp Propane Appliance

0

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  • Easy to Connect and Use: 56FT 3/4" ID natural gas hose for generator with quick connector is easy to install. Provide safe connection and leakage-free operation. And the adapter will automatically shut off when you disconnect the hose

  • Safe and Durable: Made with high-quality rubber and solid brass fittings, this 3/4 natural gas hose is CSA certifiead and built to last. Max Work Pressure: 1/2 PSI (3.5Kpa)

  • Widely Used: 3/4 inch inside diameter hose can provide enough gas to your high BTU appliances. Suitable for a wide range of applications including gas grills, griddles, smokers, fire pits, pizza ovens, portable generators, patio heaters and more

  • What's In the Box: 56FT 3/4" natural gas hose with 3/4" male NPT pipe swivel and male quick connect plug, a solid brass fitting with 3/4" female quick disconnect adapter and female NPT pipe swivel

  • 1 Year Warranty: You can find us for help if you have any problems during use. We'll surely help you within 24 working hours

3.8

33 ratings

Damien Volkman
Damien Volkman

contributing writer

I can make anything run. From old motors to batteries to generators to generators to generators, I am your generator expert. (As if that wasn’t enough.) I’m able to repair or rebuild any part of your system. I also know the ins and outs of working with generators; I can make sure you are running smoothly. You can depend on me to get the job done right and get it done right the first time. Contributing Writer.

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