10 Best Pulsar 4000 Dual Fuel Generator Gd400bn of 2025

Tested and Reviewed: Top 10 Pulsar 4000 Dual Fuel Generator Gd400bn deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

Editor's Choice

9.7

Save 43%

Pulsar

Pulsar 2,200W Portable Dual Fuel Quiet Inverter Generator with USB Outlet & Parallel Capability, CARB Compliant, PG2200BiS

43% OffFree Shipping

Editor's bottom line:

“This pulsar 4000 dual fuel generator gd400bn is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

2, 200 peak watts/ 1, 800 Rated watts (gas) & 2, 000 peak watts/ 1, 600 Rated watts (LPG)
80cc, 3Hp, single cylinder, 4-stroke, OHV, air cooled Engine
Inverter technology With parallel capability & super quiet operation (60Db)
(2) 120V 15A AC outlets, (1) 5V integrated USB outlet, parallel sockets
Stable sine WAVE to use with sensitive electronic equipment & dual fuel capability (gas or LPG)
Compact carrying case design with 1. 18 gallon fuel tank
8 hour run-time on single tank of gas/ 75 minute run-time on 1 pound LPG tank @ 1/2 load
Recoil start & low oil indicator with low oil shutdown
Includes: Propane Hose, Spark Plug Wrench, 10W30 Oil Bottle (350ML), & Funnel
CSA, EPA, CARB Compliant & Backed by a 1 year limited

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Picked by 182 people today

9.5

Pulsar

Pulsar Products GD400BN, 4000W Portable super-quiet Dual Fuel & Parallel Capability, RV-Ready, CARB Compliant

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Main Highlights

4000 peak watts / 3200 running watts on gas
3600 peak watts / 2800 running watts on propane
Continuous operation up to 4.5-hours at half load (1.1 Gallon Fuel Tank)
Ultra lightweight at only 47.3 pounds, ideal for outdoor activity use
Super quiet, making around 59db at half load
High speed 5.5HP 145cc engine, good for emergency home backup power
Safely power sensitive electronics such as televisions, cell phones, laptops, and more

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9.5

Save 24%

Pulsar

Pulsar PGD40ISCO Ultra Light Quiet 4000W Portable Gas Inverter Generator

24% OffFree Shipping

Main Highlights

51 lbs [Extreme light weight]
12oz gas tank, 4.5 hrs run time @ half load
3200W Rated / 4000W Peak
RV ready, AC ready, Fridge ready

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9.2

Save 8%

WEN

WEN Quiet and Lightweight 3600-Watt Dual Fuel RV-Ready Portable Inverter Generator with Fuel Shut Off and CO Watchdog (DF360iX)

8% OffFree Shipping

Main Highlights

Dual-fuel design runs on both gasoline (3600 surge watts, 2900 rated watts) and propane (3500 surge watts, 2600 rated watts)
Extremely quiet operation comparable to the sound of a normal conversation according to the US Department of Health and Human Services
Produces clean power to prevent damage to sensitive electronics such as smartphones, tablets and laptops
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
Includes fuel shut-off to help limit maintenance, two three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, a tool-free LPG quick-connector, and a three-year warranty

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9.0

Save 23%

Champion Power Equipment

Champion Power Equipment 4000-Watt RV Ready Portable Inverter Generator with Quiet Technology and CO Shield

23% OffFree Shipping

Main Highlights

At less than 49 pounds, this inverter is one of the lightest 4000-watt inverters in the industry
64 dBA from 23 feet is perfect for camping, tailgating or to backup a few home essentials, with 4000 starting watts, 3000 running watts and up to 10 hours run time, plus features CO Shield carbon monoxide auto shutoff system
The optional parallel kit enables this inverter to connect with another 4000-watt Champion inverter to double your output power
Includes a 120V 25A TT-30R outlet, a 120V 20 A household duplex outlet (5-20R) with clean electricity (less than 3% THD), plus a 12V automotive-style outlet, and Parallel outlets
Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

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8.8

Save 17%

Champion Power Equipment

Champion Power Equipment 4000-Watt Dual Fuel RV Ready Portable Inverter Generator with Quiet Technology and CO Shield

17% OffFree Shipping

Main Highlights

Operate your 4000-watt portable generator right out of the box on either gasoline or propane, plus features CO Shield carbon monoxide auto shutoff system
With an ultra-quiet 64 dBA from 23 feet, enjoy 4000 starting watts, 3000 running watts and up to 10 hours run time on gasoline, and 2700 running watts and up to 25 hours on propane
The optional, sold-separately parallel kit enables this inverter to connect with another Parallel Ready Champion Inverter or Power Station for more power and longer run time
Includes a 120V 25A TT-30R outlet, a 120V 20 A household duplex outlet (5-20R) with clean electricity (less than 3% THD), plus a 12V automotive-style outlet, and Parallel outlets
Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

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8.6

Save 7%

Pulsar

Pulsar PG5000BiSRCO Dual Fuel 30A RV Ready Portable Inverter Generator with Remote Start, CARB Compliant

7% Off

Main Highlights

5000W Peak / 4000W Rated (Gas) and 4500W Peak / 3600W Rated (Propane)
Ideal for powering sensitive electronics and 13,500 BTU air conditioner units
3-gallon fuel tank provides up to 9 hours of continuous operation at half load
Economy mode reduces fuel consumption and operational costs
Quiet operation rated at 65 dB is ideal for your RV or recreational use
Telescoping handle with wheel kit provides maximum portability and convenience
Parallel capable allowing you to link two generators and increase your power output
Safeguarded with overload protection and CO Sentry carbon monoxide detection
Includes propane hose and remote control fob

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8.3

Westinghouse

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

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Main Highlights

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 520R 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

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8.1

WEN

WEN Quiet 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog for Electric Vehicle Backup (DF680iX)

Free Shipping

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 generators 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

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8.1

Pulsar

Pulsar 6000 Watt Portable Inverter Generator, Dual Fuel Gasoline & Propane, Remote Electric Start, CO Sensor, Parallel Capable, Super Quiet, Use for RV, Camping, Outdoor & Home, NEX60BiSRCO

Main Highlights

Duel Fuel & Inverter Generator - Offers 6000 peak/5400 running watts on gasoline and 5400 peak/4600 running watts on propane, with up to 8 hours runtime at half load. Its clean, stable power is ideal for electronics, and the compact design is perfect for home, camping, or job sites.
Remote Start & Digital Hour Meter - Effortlessly power up your generator from a distance with the easy-to-use remote electric start feature. Digital hour meter accurately tracks operating hours to plan maintenance, estimate fuel usage, and monitor performance, ensuring your generator runs efficiently and reliably.
Low Oil Shutdown & CO Sensor - Automatically turns off the engine when oil levels are too low, preventing damage and ensuring reliable performance by maintaining proper lubrication. Equipped with a CO sensor to automatically shut off the generator when harmful carbon monoxide levels are detected, ensuring safe operation.
Parallel Capability & Duplex Plug- Connect this generator to another compatible unit to double your power output, making it perfect for larger energy demands and versatile applications. The generator features a duplex plug that supports all electronic device plugs, providing versatitle and stable connectivity for your power needs.
Durable Plastic Frame - Protects the generator from damge while reducing noise during operation, ensuring a quieter and more reliable performance.
On/Off Switch
3-Prong RV Plug
Duplex Plug

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Our Best Overall Choice

Best Choice

9.7

Pulsar

Pulsar 2,200W Portable Dual Fuel Quiet Inverter Generator with USB Outlet & Parallel Capability, CARB Compliant, PG2200BiS

43% OffFree Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

2, 200 peak watts/ 1, 800 Rated watts (gas) & 2, 000 peak watts/ 1, 600 Rated watts (LPG)
80cc, 3Hp, single cylinder, 4-stroke, OHV, air cooled Engine
Inverter technology With parallel capability & super quiet operation (60Db)
(2) 120V 15A AC outlets, (1) 5V integrated USB outlet, parallel sockets
Stable sine WAVE to use with sensitive electronic equipment & dual fuel capability (gas or LPG)
Compact carrying case design with 1. 18 gallon fuel tank
8 hour run-time on single tank of gas/ 75 minute run-time on 1 pound LPG tank @ 1/2 load
Recoil start & low oil indicator with low oil shutdown
Includes: Propane Hose, Spark Plug Wrench, 10W30 Oil Bottle (350ML), & Funnel
CSA, EPA, CARB Compliant & Backed by a 1 year limited

Show Price

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