Firman - WT05571 Electric Start 120/240V RV Ready 6850-Watt Tri Fuel (Gasoline/LPG/Natural Gas) Inverter Portable Generator - Grey, Black
About This Item
- General
- Brand: Firman
- Model Number: WT05571
- Product Name: WT05571 Electric Start 120/240V RV Ready 6850-Watt Tri Fuel (Gasoline/LPG/Natural Gas) Inverter Portable Generator
- Color: Grey, Black
- Power
- Amperage: 50 amperes (Strength of electrical current.)
- Maximum Runtime At 50% Load: 10 hours per tank
- Battery Charger Included: true
- Automatic Voltage Regulation: true
- Auto Idle Control: true
- Integrated Inverter: true
- Number Of Circuits: 7
- Performance
- Voltage Rating: 120/240 volts
- Features
- Starter Type: Electric
- Fuel Type: Gasoline, Liquid propane
- Fuel Capacity: 5.3 gallons
- Fuel Gauge: false
- Hour Meter: true
- Low-Oil Shutdown: true
- Engine Make: FIRMAN
- Engine Displacement: 322 cubic centimeters
- Operational Volume: 67 decibels
- Muffler: true
- Signwave Inverter: true
- Control Panel: true
- Power Output
- Rated Wattage Continuous: 5500 watts
- Rated Wattage Peak: 6850 watts
- Dimensions
- Product Height: 22.6 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 21.3 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Length: 27.6 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
- Product Weight: 131.4 pounds (The out of box weight of the item.)
- Warranty
- Warranty - Parts: 3 years
- Warranty - Labor: 1 year
- Other
- UPC: 840876155714
Take power anywhere with the Firman WT05571 6850W Tri Fuel Inverter Generator. Designed for unmatched versatility, it runs on gasoline, propane, or natural gas — giving you ultimate fueling flexibility for any situation. Delivering 6850 starting watts / 5500 running watts on gas, 6250W / 5000W on propane, and 5500W / 4500W on natural gas, this powerhouse adapts to your needs. Featuring electric start, parallel capability, and CO Alert technology, it combines convenience, safety, and performance in one. Operating at just 67 dB with Eco Mode for fuel efficiency, the WT05571 is perfect for RV adventures, home backup, camping, DIY projects, and tailgating. With multiple outlet options, including USB-C, RV TT-30R, and 240V connections, this generator is built to handle it all.
- Tri Fuel Versatility (Gas, Propane, Natural Gas): Run on gasoline, propane, or natural gas for maximum flexibility — perfect for home backup, RV travel, and outdoor adventures.
- Powerful & Reliable Performance: Delivers up to 6850 starting watts and 5500 running watts on gas, ensuring consistent, dependable energy when you need it most.
- Built-In CO Alert Safety Technology: Automatically shuts the generator down if dangerous carbon monoxide levels are detected, keeping your family and campsite safe.
- Extended Runtime & Fuel Efficiency: The 5.3-gallon tank offers up to 14.5 hours of runtime at 25% load, and Eco Mode optimizes fuel usage for maximum efficiency.
- RV Ready & Fully Equipped Power Panel: Equipped with a TT-30R RV outlet, L14-30R twist-lock, 14-50R heavy-duty port, USB-C fast charging, and covered outlets for ultimate versatility.
Whats Included
- The WT05571 comes with an engine oil bottle, an oil funnel, a tool kit, an LPG regulator, and a quick oil drain.
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Take power anywhere with the Firman WT05571 6850W Tri Fuel Inverter Generator. Designed for unmatched versatility, it runs on gasoline, propane, or natural gas — giving you ultimate fueling flexibility for any situation. Delivering 6850 starting watts / 5500 running watts on gas, 6250W / 5000W on propane, and 5500W / 4500W on natural gas, this powerhouse adapts to your needs. Featuring electric start, parallel capability, and CO Alert technology, it combines convenience, safety, and performance in one. Operating at just 67 dB with Eco Mode for fuel efficiency, the WT05571 is perfect for RV adventures, home backup, camping, DIY projects, and tailgating. With multiple outlet options, including USB-C, RV TT-30R, and 240V connections, this generator is built to handle it all.

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