SKU: 49403286727

Firman Tri Fuel Inverter Portable Generator 6850W Electric Start With Co Alert

Sale price$598.50 Regular price$665.00
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Description

Firman Tri Fuel Inverter Portable Generator 6850W Electric Start With Co AlertThe FIRMAN WT05571 Tri Fuel Whisper Series Generator provides flexible and reliable power for RVs, camping, home backup, and DIY projects. Its tri fuel capability allows operation on gasoline, propane, or natural gas at the push of a button, adapting to available fuel without compromising performance. Delivering up to 6,850 starting watts and 5,500 running watts on gasoline, 6,250 starting watts and 5,000 running watts on propane, and 5,500 starting

The FIRMAN WT05571 Tri-Fuel Whisper Series Generator provides flexible and reliable power for RVs, camping, home backup, and DIY projects. Its tri-fuel capability allows operation on gasoline, propane, or natural gas at the push of a button, adapting to available fuel without compromising performance.

Delivering up to 6,850 starting watts and 5,500 running watts on gasoline, 6,250 starting watts and 5,000 running watts on propane, and 5,500 starting watts and 4,500 running watts on natural gas, it ensures consistent energy for household devices, RV systems, and power tools.

Designed with portability in mind, this generator features a compact 136.7 lb frame, integrated wheel kit, and folding handle for easy transport. Operating at just 67 dB, it maintains a quiet footprint suitable for residential areas, campsites, and RV parks. Eco Mode improves fuel efficiency under lighter loads, while CO Alert technology automatically shuts down the generator if unsafe carbon monoxide levels are detected.

Equipped with a multi-functional outlet panel—including household, RV, and high-demand outlets, plus USB-C and 12V DC ports—the WT05571 provides convenient and versatile power for modern electronics alongside larger equipment. Included accessories such as an engine oil bottle, oil funnel, tool kit, LPG regulator, and quick oil drain make setup and maintenance simple.


Features

  • Tri-fuel operation: Gasoline, Propane, Natural Gas
  • Whisper Series quiet operation: 67 dB at ¼ load
  • Eco Mode for improved fuel efficiency
  • CO Alert technology for added safety
  • Integrated wheel kit and folding handle for portability
  • Multi-featured control panel with covered outlets
  • USB-C fast charging and 12V DC power port
  • Parallel operation compatible
  • Multi-Meter display for voltage, frequency, fuel, and oil alert monitoring
  • Low oil automatic shutoff
  • 3-year manufacturer warranty


Specifications

  • Engine: 322cc
  • Start Type: Recoil and Electric
  • Starting Watts: 6,850W Gas / 6,250W LPG / 5,500W NG
  • Running Watts: 5,500W Gas / 5,000W LPG / 4,500W NG
  • AC Voltage: 120/240V
  • DC Voltage: 12V
  • Frequency: 60 Hz
  • Tank Size: 5.3 Gal
  • Run Time: Up to 14.5 hrs at ¼ load
  • Decibels: 67 dB at ¼ load
  • THD @ Full Load: 3%
  • Low Oil Shutoff: Yes
  • CO Shutoff: Yes
  • Power Stream Alternator: Yes
  • Cast Iron Sleeve: Yes
  • Fuel System: Gas / LPG / NG
  • Frame Material: Steel
  • Wheels: 8" gray plastic, flat-free
  • Handle: U-shape folding
  • 5-20R 120V 20A DUPLEX GFCI: 1
  • TT-30R 120V 30A TWISTLOCK: 1
  • L14-30R 120V/240V 30A TWISTLOCK (22.9A/240V/5,500W): 1
  • 14-50R 120V/240V 50A (22.9A/240V/5,300W): 1
  • USB-C (3.1/5A/5/9/12/15/20V DC/60W): 1
  • 12V DC Power Port/Plug (8.3A/12V DC/100W): 1
  • Parallel Port: Yes
  • Multi-Meter: Voltage, Frequency, Fuel Level, Oil Alert, Overload
  • Certifications: EPA Certified, cETL Certified, PGMA


Warranty

3-year manufacturer warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 49403286727

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4.4 ★★★★★
Based on 9 reviews
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Product Reviews
R
Verified Purchase
RC
Port Orchard, US
★★★★★ 5
I paid for the product and it’s GOOD 👍🏽
Size: Queen(Pack of 2), Size: Queen(Pack of 2)
Honest review to help your decision. These are a bargain at two for one. I paid almost $30 for one at a local retailer and it’s already flattened after 7 months. This product arrives vacuum sealed with the cooling pillow covers separately (separate so you can wash before using). They are loaded with memory foam which I found pleasing. I chose to leave all of the foam in because I’m sure it’ll flatten sometime in the future. I’ve been using these for TWO MONTHS now and they have not flattened. Easy to mold and fluff, soft and they are added support for my back up pillows. I cannot attest to any type of pain relief because I have not experienced that with these personally. I do feel my sleep is better so my tension headaches have lessened. The cooling hex layer is on the cover NOT the actual pillows. I’m sure everyone knows that memory foam gets really hot 🥵 but the cooling covers on these help minimize that. It actually feels cool to the touch like a gel product. I find the quality to be exceptional. All in all, give it a shot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 16, 2025
J
Verified Purchase
Jonathan Caballero
Bozeman, US
★★★★★ 3
More soft than firm
Size: Queen(Pack of 2)
Not firm but more soft, would I be returning probably not but if you were already on the fence this is your confirmation that it’s not as described, ( well to my standards at least ) it does feel of good quality but I was looking more a sturdy firm that soft and cushion feeling .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 1, 2026
S
Verified Purchase
StacyT
Fort Morgan, US
★★★★★ 5
Best fluffy but firm pillows
Size: King(Pack of 2), Size: King(Pack of 2)
These pillows are worth every penny! They started off pretty flat but after three days they plumped up well. In addition to them being plump, they are also firm. Exactly what I was looking for. You can shake up the internal stuffing if you want them softer too. They were a bit pricey but I’m going to repurchase and replace all my home pillows with these. I do sleep hot and the cooling side is perfect to lay on. Kept me cool and comfortable. I haven’t had any neck or back pain after switching to these pillows too. Absolutely recommend these for your home. The photo shows how full the pillows are. I have four pillows in the picture plus two smaller other brands. These are definitely fluffier.
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Reviewed in the United States on January 8, 2026
C
Verified Purchase
Charlie
Cuba, US
★★★★★ 5
This Pillow Is A Must Buy!! What Are You Waiting For?
Size: Queen (Pack of 1)
This is, without a doubt, the best pillow I have ever owned. One of my favorite features is the adjustable shredded memory foam fill, which allows you to customize the loft and firmness by adding or removing foam to suit your sleeping preferences. As both a side and back sleeper, I found it incredibly comfortable and supportive. The overall quality is excellent, from the materials used in the pillow itself to the thoughtful packaging. The removable cover is washable, although I personally use a pillowcase to keep it protected. I also appreciated that extra foam is included, making it easy to fine-tune the pillow over time. The difference in my sleep quality was noticeable from the very first night. I’ve been sleeping more comfortably and waking up feeling more rested ever since I started using it. Considering the quality, comfort, and customization options, I believe the $75 price point is well worth it. I am so impressed with this pillow that I plan to purchase another one in the future.
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Reviewed in the United States on June 4, 2026
A
Verified Purchase
ahindris
Lowell, US
★★★★★ 5
This is a high-quality, well-designed pillow that combines softness, comfort, and adjustability
Size: Queen (Pack of 1), Size: Queen (Pack of 1)
I purchased the DreamyBlue Signature Adjustable Pillow for my husband because he often experiences back discomfort, and many of the pillows we had previously would become flat and lose their support over time. This pillow has exceeded our expectations. It is incredibly soft, comfortable, and comes with extra filling, which allows you to adjust the firmness to your personal preference. We really appreciated having that option. Even after extended use, the pillow has maintained its shape much better than other pillows we've owned. It provides a plush, cozy feel while still offering good support. My husband finds it very comfortable, and it has quickly become his favorite pillow. This is a high-quality, well-designed pillow that combines softness, comfort, and adjustability. I would definitely recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026

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