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WEN 56380i Super Quiet 3800-Watt RV-Ready Portable Inverter Generator with Fuel Shut-Off and Electric Start

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Style: 3800W + Electric Start


  • Dimensions: 23.2" L x 18" W x 20.1" H | Weight: 99.2 lb.Dimensions: 23.2" L x 18" W x 20.1" H | Weight: 99.2 lb
  • Extremely quiet operation minimizes noise;, EPA III and CARB Compliant
  • 212cc 4-stroke OHV engine produces 3800 surge watts and 3400 rated watts with a half-load runtime of up to 8.5 hours
  • Fuel shutoff maximizes the generators lifespan by using up the remaining fuel in the carburetor before shutting down
  • Produces clean power to prevent damage to sensitive electronics such as smart phones, tablets and laptops
  • Includes two three-prong 120V receptacles, one AC 120V NEMA TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, a digital load and fuel display, and a two-year warranty


Remember when you had clean and quiet portable power? The WEN 3,800 Watt Inverter Generator produces clean energy free of voltage spikes and drops without making all of the noise of a regular generator. Generate up to 3800 surge watts and 3400 rated watts of power. Our 212cc 4-stroke air-cooled OHV engine operates at an extremely quiet 57 decibels at quarter load, about as quiet as a window air conditioner or the average conversation. This limits its invasiveness while hunting, camping, tailgating and restoring back-up power. The WEN 3800W Inverter Generator is also equipped with fuel shutoff. This feature turns off the flow of fuel, allowing the generator to use up the remaining fuel from the carburetor before automatically shutting down. This helps fight the build-up and blockages caused by stagnant fuel inside of the carburetor, minimizing maintenance while prolonging the unit’s lifespan. Designed to mirror a pure sine wave, this generator limits total harmonic distortion to under 0.3 percent at no load and under 1.2 percent at full load, making it safe enough to run laptops, cellphones, monitors, tablets and other vulnerable electronics. The lightweight design along with the built-in wheels and folding handle make for easy portability while the ultra-efficient 2.2-gallon tank provides over 8.5 hours of half-load run time. Our fully- packed panel comes equipped with two 3-prong 120V standard household receptacles, one AC 120V 30A NEMA TT-30R receptacle, one 12V DC receptacle, two 5V USB ports and an easy-to-read digital fuel and load display. Maximize fuel economy by engaging the Eco-Mode switch. This feature allows the generator's engine to automatically adjust its fuel consumption as items are plugged into and unplugged from the panel, preventing the usage of unnecessary gasoline. The oil access cover makes for easy oil changes. Need more energy? Easily link up two WEN inverter generators using a WEN GNA50i 50-Amp 6000-Watt Parallel Connection Kit (sold separately) in order to share wattage between multiple units. Low-oil and low-fuel automatic shutdown, indication lights, and overload protection safeguard both your generator and your electronics from damage. The included spark arrestor allows for legal use in national parks and campgrounds. And because this is a WEN Product, your inverter generator comes backed by a 2-year warranty, a nationwide network of skilled service technicians and a friendly customer helpline. Remember when your generator powered your electronics safely and quietly? Remember WEN.

Brand: ‎WEN

Wattage: ‎3800 watts

Fuel Type: ‎electric

Power Source: ‎Gas Powered

Item Weight: ‎99.2 Pounds

Voltage: ‎120 Volts

Output Wattage: ‎3800 Watts

Special Feature: ‎Electric

Color: ‎Orange/Black

Product Dimensions: ‎23.2"L x 18"W x 20.1"H

Model Name: ‎Inverter Generator

Engine Type: ‎4 Stroke

Tank Volume: ‎2.2 Gallons

Engine Displacement: ‎212 Cubic Centimeters

Frequency: ‎50 Hz

Manufacturer: ‎WEN

Part Number: ‎56380i

Item Weight: ‎99.2 pounds

Product Dimensions: ‎23.2 x 18 x 20.1 inches

Country of Origin: ‎China

Item model number: ‎56380i

Style: ‎3800W + Electric Start

Pattern: ‎Generator

Item Package Quantity: ‎1

Special Features: ‎Electric

Batteries Required?: ‎No

Date First Available: March 18, 2019

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Apr 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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Top Amazon Reviews

  • Use Care, be smart, and get a great little portable Generator for years!
Style: 3800W + Electric Start
So here is my personal experience with WEN 56380i Super Quiet 3800-Watt RV-Ready Portable Inverter Generator. Also, we live at 3,000 m/10,000 ft in the Colorado Rockies so we bought the High Altitude Kit (6000 - 8000 Ft) from the WEN website to ensure proper gas consumption and emissions (part #56380i) First things first, they say that it was pre-ran, or at least they lead you to believe it was run prior because they warn you to keep the machine level so that leftover "oil" does not leak from the unit if tipped upside down. With that being said, I would highly suggest starting this generator, as if it was being started for the very first time [with proper protocols in place]. Here is what I've always done [being mindful that I am an aerospace engineer who has started many engines for the very first time]: Steps that should be taken on: Auto parts Store items that should be purchased prior to starting: 2-Liters of 5W-30 Full-Synthetic Oil, 1-Bottle of STP Oil Additive with Zinc [ZDDP], Funnel with Bendable Stem/Neck, Loctite Thread Lock (red), small bottle of WD-40 1) Use a 10mm wrench to remove the Red Mounting Plates and Nuts from the underside of the generator 2) Add 16oz (1/2 Liter) of 5W-30 Full-Synthetic blended with 2oz of STP Oil Additive to Oil to the crankcase using a funnel - you will know the right amount was added when you look at the threading of the you will see oil about halfway up the threads where the cap is screwed in. 3) Add about 2+ gallons of 91 Octane Gasoline 4) Pull Battery Door Off (use a coin) and attach the negative cable using a phillips head screwdriver - be careful pushing the battery back in place so that you do not crush the power lines between the frame and the battery 5) Pull Engine Door Off (two phillips screws at the top) and remove the spark plug cable and remove the spark plug - use WD-40 and make a quick spray inside of the cylinder housing (1-Second Spray) to coat the cylinder walls 6) Use the hand crank to light cycle the piston several rotations (with the spark plug removed so that you do not compress the cylinder) - I pulled the hand-pull lightly about 10-times (this will lubricate the cylinder walls with the WD-40 7) Screw spark plug back in (first by hand and then with a socket wrench) (reattach the spark plug cable. Reattach the housing door after you know the spark plug is firing upon start up) 8) Start-Up Sequence: Make sure "eco-mode" is switched to off; turn selector dial all the way clockwise to "start"; Start the Generator (I used the pull-start considering the battery is probably at 1/3 charge - but you can use the orange button located on the "Dial" Selector) ------ DO NOT HAVE ANYTHING PLUGGED INTO THE GENERATOR AT STARTUP 9) Run in "start" for 2-3 minutes without anything connected 10) Turn knob/selector to "run" - let idle for 45-mins to 2-hours 11) Plug in something to draw energy and cycle the generator at slightly higher RPMs for a few minutes 12) After a few hours of low idle turn off and change the oil in the crankcase ----- Replace with the same mixture of 5W-30/STP (8:1 Mix or 16oz of full-synthetic oil + 2oz of STP with Zinc [ZDDP]) 13) Start-up procedures 14) Finally, you are probably wondering about the Loctite, well, I learned that the rear wheels are not properly fixed and they will fall off from the vibration of the generator, so I used Red Loctite on the threads and screwed them back into place so that they would stay fixed [you will thank me later] This machine is quiet, very quiet actually. We have an Airstream Basecamp 20X and its run all of our needs easily. The heater barely draws any load on this generator at full blow capacity (1-Green Dot on Load Meter). The A/C unit draws about 1/4 Load (2-Green Dots on Load Meter). We are planning on having a port built directly into our house so that when power goes out we can use this to keep the house powered (we live at 3,000 meters in the Colorado Rockies). ... show more
Reviewed in the United States on February 5, 2023 by Aaron

  • Best generator solution, I could make it better!
Style: 3800W + Electric Start
Just spent the first 2 hours run time on my new WEN 56380i enclosed frame generator. Tips I do for trouble free reliability require important engine break-in and electrical protection measures. The manual prepares for the first running... I added prep by removing the spark plug first after unpacking and saving the closed cell foam inside the box for later. Before any attempt to operate, remove the screws and brackets underneath. Don't try start-up until putting oil directly (small amount) into the engine cylinder.... Measure by an inch of a drinking straw into the oil bottle. NOT included is the oil for the crankcase before you can first run the generator! Inch being approximately the oil held up inside the straw trapped by the seal of my thumb covering the opposing end of the straw then moving out of the bottle so transferring into the plug hole by releasing the thumb ... Do so BEFORE even any pull on the cord... to lubricate the piston before it's moved inside the engine so it can slide in the cylinder. Before returning the spark plug it's important to protect the soft metal threads on the engine by smeared anti sieze compound (get the small tube from auto parts store) onto the plug threads first, using only your FINGERS (!!! Do not try starting the plug by using the wrench !!!) - finger started, until several turns assure the threads are started and not "crossed threaded" before the wrench slid over the spark plug finishing by turns until it's all the way down. Remember, it's about a half of the quart bottle of oil that will fill the crankcase. Importantly, go get a quart of conventional 30W oil (running in the last 50 degree December afternoon) as it's not included and also get a $4 bottle of STP treatment (as the least expensive source of Zinc with Phosphates compound (ZDDP) - because modern cars can't tolerate ideal break-in due to have catalitic converters unable doesn't mean we can't extend engine life by this important break-in to extend reliable engine life. This configuration is the same OHV engine type and more capable even than used in Honda and Yamaha generators costing three times what I paid for the Wen... WORTH IT to do this optimal breaking in effort. Start the first running without succumbing to temptation of running the generator to capacity. Started with cool initial runs and by using the additive and conventional oil initially, we achieve the best measures to coat the sliding engine internal parts and avoiding "glazing". Initially, microscopic wear should be controlled. Even more important is to always avoid dry unlubricated internal wearing surfaces cause inordinate and premature wear. To get a future reliable operating generator that is capable of longer life.... - I first started only after Iput about 1 Oz. (two tablespoons) treatment into the dipstick opening (using funnel and extension tube supplied with the generator). Gradually getting the engine temperatures hotter gives the wearing in the lubricated safety for better life expectancy. After the first hour I drained the initial oil filling then to refill the crankcase with the new oil in the second half of the 30W oil bottle .... but mixed the treatment first in the bottle before the second pouring. Emptying the two tablespoons treatment and the remaining half the quart bottle (second filling) of oil into the funnel cleanly then it's getting into the crankcase. I ran the generator after start-up idle for a few minutes then I plugged electric loads (1500W space heater and a heat gun, both using the half power settings first and varrying the load) and switched to eco-mode so that the engine can react and change the mechanicals to "follow the load changes, I was careful never allowing a static load for more than a short time period 1-5 minute's length (beginning with shortest time for up to half loading gradually increasing load and time periods for the first two hours running the generator). Don't just idle and alternate idle cool down periods gradually increasing the load and so increasing the engine temperatures so to run in the moving parts and seating seals and the wearing surfaces properly. The last 30 minutes of the 2 hour break in I let it run continuously for twenty minutes at about 1500W ( not more than 2200W). Between loading periods, I let rpms fall to idle and thus cooling. Running on idle gradually like the heatups gradual for at least several minutes then gradually increasing the load durations and for no more than 20 minutes during the breaking in. After I will reach 5 hours operation, and for future oil changes I will be able to use 5W-30 synthetic oil... Why? Lubrication and overheating problems in the initial running is the biggest reason for failures and shortened engine life. Poor starting problems that many small engines suffer from are characteristic of engine abuse arising unfortunately but certainly from dry unlubricated operations resulting in cylinder scoring making compression and loss of compression leaking inside the engine makes startups difficult and power efficiencies lost. Wear and infrequent oil changes are the thing to avoid. Back to the breaking-in, I'm finishing coincidentally after the gas running dry and the generator exhausting the tank carbureator without needing to drain... Be sure to turn off the electric loads before the tank is completely empty, because of the possibility of losing the "residual magnetic" that enables the electric ⚡ energy to move in current it's a risk whenever running to completely empty the tank. I bought 8 Oz bottle of gas additive Sta-bil planning to splash it into the tank (minimal gasoline leftover is unavoidable and the manual instructs you can drain the tank and the carburetor but I find it easier to be there when the engine gets rough and I can take off the electrical loads before the engine stops and then move the dial to shutdown running without load until the engine exhausts the remaining fuel in the carburetor... after the dial cuts off the carburetor, the small remainder of the gas in the tank can be preserved by the Sta-bil with only a splash in the tank preserving against future startup difficulty or corrosion problems from storage for to use gasoline up to 10 percent ethanol like printed on the gas-cap. STORAGE - Besides frequent recommend oil changes to interval recommended, I keep mine up off the pavement on two by fours and a tarp over leaving breathing room gap between tarp and the floor. So, I have ordered from Amazon, both a 10 and 12 guage copper extension cord. One has tt30 plug and the other uses standard plug terminated ability. Only using the 20 amp breaker protected standard double outlet means accessing only 2/3 of the Wen56380i capability. For safety and distribution to the indoor locations for power needs before the utility company makes the outage repairs, I importantly purchased a "squid" pigtail cord with integral overload 15 amp overload breaker integral to the outlets... Fire safe from a short or overload hot enough to melt or even catch fire. It's not enough when 20/30 amps the generator breakers needed to get interrupt can result in unprotected unsafe overloaded cords inside the house. Got the 10 Guage extensions safe enough to route between the squid and the generator. Either of the 50 foot length cords are safe especially too because the length allows placing the generator at least 20 foot away from the house (can go through basement window or kitchen storm window with the opening stuffed by a blanket) outside. Outside, be sure to get the 56380i perfectly level wherever you plan to run it because before running it's important to ensure the"splash" oil system works uniformly for evenly lubricating all internal engine parts. I'm also on order with Amazon for a "Pool Spa" canvas fitted 38x28x30 inch oversize (-cover sized for open frame up to 10,000W generators allowing airflow around the top and sides of my smaller 56380i WEN while running - see my description below for modest fabrication to support the cover ) safely assured running it outside and under the weather resistant fabric dry even while operating being in the 🌧️ rain too!... Be careful to use a ground 12 guage wire to a copper coated steel rod driven into the soil nearby the generator (lightning and shock protection should it start raining! For support of the oversized canvas cover, I cut out a 24"x27" wafer plywood 1/4 inch thick panel for horizontal "flat roof" support under the canvas that rests on 3 separate 13" 4x4 inch square white pvc "legs" (that I drill 1.25 inch twin opposing holes then sawn to be slotted making secure snap fitting supports over the generator lifting bars (two on the one bar wheels end and one for the one bar closest to the electrical end) supporting the board allowing the cover over the top. Air entering underneath with the exhaust end canvas flap up while running, opened for escaping fumes and access to the generator while still under the cover. I got *pool spa" canvas on Amazon for $20+, and the fabrication materials were few and added were another $10 plus a couple hours time... Better! I have it all year round protecting the generator from weather in storage and it's useful against unexpected rains while running outside. Unbeatable! To refuel, just lift up the cover from the opened exhaust end canvas where you have access even while running, tipping the whole cover with the slide over the "legs" toward the electrical panel end lets you fuel... Replace the gas cap and pull the canvas cover back into place before restarting. ... show more
Reviewed in the United States on January 3, 2021 by JoeClean JoeClean

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