Top 10 Best generator heavy duty in 2026

Main highlights

• •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 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 14–50R 50A; 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

Main highlights

• •224cc dual-fuel engine runs on both gasoline (6800 surge watts, 5100 rated watts) and propane (6000 surge watts, 4500 rated watts)
• •Bonded-neutral 240V configuration provides low-power Level 2 charging for battery and hybrid electric vehicles
• •The WEN Watchdog CO Shutdown Sensor helps protect both you and your family by automatically turning off the generator if dangerous levels of carbon monoxide are detected
• •Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
• •Includes fuel shut-off to help limit maintenance, onboard wheels, a telescoping pull handle, one L14-30R 120V/240V receptacle, two three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, a voltage selector switch, a tool-free LPG quick-connector, a six-foot-long LPG regulator hose, and a three-year warranty

Main highlights

• •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)
• •Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve; 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
• •Engineered with low THD, so it's safe for sensitive electronics. Power phones, computers, TVs and more. Stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
• •All Westinghouse portable generators are gunctionally 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

Main highlights

• •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 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 14–50R 50A; 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

Main highlights

• •13,000 Watts of Reliable Power for Home Power Backup – Keep your home, job site, or RV powered during storms and outages with dual fuel capability and a heavy-duty build.
• •Dual Fuel Technology – Gasoline or Propane – Choose between gasoline for maximum power or propane for longer run times and cleaner emissions, ensuring fuel flexibility in any emergency.
• •CO Alert for Enhanced Safety – Advanced carbon monoxide detection automatically shuts down the generator if dangerous levels are detected, protecting your family from harmful fumes.
• •Push-Button Electric Start & Intuitive Control Panel – Easily start your generator with the push of a button, and quickly switch fuel types using the front-facing fuel selector.
• •Transfer Switch-Ready with 50-Amp Outlet – Power your entire home by connecting directly to a transfer switch, thanks to the 50A heavy-duty outlet.
• •Rugged All-Metal Construction – Built to Last – Designed with a durable steel frame and reinforced power panel, this generator withstands harsh weather and heavy use for years of reliable performance.

Main highlights

• •Excel in Compatibility：compatible with most of generators 3000-5000 Watt. Please measure the dimension of your generator before purchasing
• •Fit for Champion 100520, Huskey 5000,Westinghouse 3600w, Duromax XP4400E XP4850EH XP5250EH XP5500E and Durostar DS4400E DS4850EH DS5500EH, Yamaha A-iPower AP5000/SUA4500/SUA5000, Pulsar PG6580E
• •Undefeated in Heavy Duty Fabric: GasXpert generator covers are elaborately constructed from strengthened 600D Oxford fabric. With a 3-layer construction design, highest industrial-level coatings are specially applied to the fabric to make it unbeatable in all inclement weathers. Moreover, waterproof sealing tape seamlessly attach to and fully cover the cover seams to prevent water penetration
• •Mighty Protector for Outdoor Generator: GasXpert portable generator covers can withstand harsh outdoor weather year around. Well-designed & tested, our heavy-duty generator covers are qualified for one mission - that is, to keep your high-valued portable generator safe & sound
• •Outstanding Windproof Locking System: Adjustable buckle straps & hem cord make our portable generator covers easy to be tightened and adjusted to better fit outdoor generators. Also, the Velcro straps that ties up to the generator metal pole are well-designed details to secure GasXpert generator covers on outdoor generator of different brands
• •More Convenient Design for Easier Use: One-side flip-up panel with hook & loop fastener not only enables an easy open & close of the cover but also allows people to move around their outdoor generators without the needs of taking the generator cover off. GasXpert generator cover’s reinforced handle allows an easy installation & removal. The roomy storage bag on the generator cover can be used to store small tools for daily use
• •Not for Running Generator

Main highlights

Main highlights

• •VMAX SLR200 200Ah 12V AGM Deep Cycle (SLR200 is the newer version of the SLR175)
• •Military Grade custom made plates
• •Float Service Life span of 8 to 10 years
• •Designed for 99% recombination capabilities; no dangerous fumes or gases.
• •12 months warranty

Main highlights