A black and yellow FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with multiple outlets and controls. Featuring a handle and wheels for easy mobility, this portable power generator is designed for versatile use.
Image of the FIRMAN Power Equipment Tri-Fuel Inverter Portable Generator 6850W Electric Start with CO Alert, featuring specifications such as 6850 starting watts for gas, 6250 for propane, and 5500 for natural gas. Additional features include a 14-hour runtime and CO Alert shutdown.
The FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert is a portable, versatile power generator with various control buttons, outlets, and two large wheels in the bottom right corner for easy transportation. It also features a CO Alert feature for added safety.
Rear view of a black FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert showing ventilation grilles, a yellow knob on the right side, and warning labels at the top.
A black and gray portable generator labeled "Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert" by FIRMAN Power Equipment with large wheels and a handle for easy transport. This tri-fuel power generator's control panel displays various technical specifications and safety warnings in multiple languages.
Rear view of a Whisper series portable generator showing the ventilation grille, control panel instructions, warning labels, and two wheels for mobility. This FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start with CO Alert also features CO Alert for enhanced safety.
Top view of a FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert showing various labels, including safety instructions, operating guidelines, and fuel gauge, set against a black casing with yellow and white accents.
A versatile black and yellow generator with multiple outlets, control panel, and large wheels for mobility. This FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert also includes a CO Alert feature for added safety.
A gray FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with a digital control panel, large rear wheels, and visible instructional labels on the front.
A FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with a black and gray exterior, featuring control panels, two wheels for mobility, and labeled safety instructions.
A wheeled Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with multiple outlets and control switches, labeled "FIRMAN Power Equipment." The unit has a handle on the side for easy transportation, making it the ideal power generator for versatility and reliability.
A portable FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with multiple outlets, a control panel, and two wheels for easy transport.
A black and yellow FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with multiple outlets and controls. Featuring a handle and wheels for easy mobility, this portable power generator is designed for versatile use.
Image of the FIRMAN Power Equipment Tri-Fuel Inverter Portable Generator 6850W Electric Start with CO Alert, featuring specifications such as 6850 starting watts for gas, 6250 for propane, and 5500 for natural gas. Additional features include a 14-hour runtime and CO Alert shutdown.
The FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert is a portable, versatile power generator with various control buttons, outlets, and two large wheels in the bottom right corner for easy transportation. It also features a CO Alert feature for added safety.
Rear view of a black FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert showing ventilation grilles, a yellow knob on the right side, and warning labels at the top.
A black and gray portable generator labeled "Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert" by FIRMAN Power Equipment with large wheels and a handle for easy transport. This tri-fuel power generator's control panel displays various technical specifications and safety warnings in multiple languages.
Rear view of a Whisper series portable generator showing the ventilation grille, control panel instructions, warning labels, and two wheels for mobility. This FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start with CO Alert also features CO Alert for enhanced safety.
Top view of a FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert showing various labels, including safety instructions, operating guidelines, and fuel gauge, set against a black casing with yellow and white accents.
A versatile black and yellow generator with multiple outlets, control panel, and large wheels for mobility. This FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert also includes a CO Alert feature for added safety.
A gray FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with a digital control panel, large rear wheels, and visible instructional labels on the front.
A FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with a black and gray exterior, featuring control panels, two wheels for mobility, and labeled safety instructions.
A wheeled Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with multiple outlets and control switches, labeled "FIRMAN Power Equipment." The unit has a handle on the side for easy transportation, making it the ideal power generator for versatility and reliability.
A portable FIRMAN Power Equipment Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert with multiple outlets, a control panel, and two wheels for easy transport.
01/01
Certification: Certification cETL Certification EPA
Model: wt05571

Tri Fuel Inverter Portable Generator 6850W Electric Start With CO Alert
$1,899.99 USD
Free Shipping on all Generators
SERIES Whisper,Hybrid
TYPE Tri Fuel Inveter

Introducing the FIRMAN WT05571—an incredibly versatile power generator made for diverse enthusiasts. This Tri-fuel Whisper series generator is your ultimate support, effortlessly running on gasoline, propane, or natural gas with a simple button press.

Running at 6850/5500 Watts (Gas), efficiently packed into a compact 136.7lbs frame, the WT05571 is your powerful ally. Its built-in wheel kit and handle ensure easy mobility for any journey. Operating quietly at 67 dBs and featuring an eco-mode for efficient fuel use, the WT05571 prioritizes performance and sustainability. For added safety, the CO Alert feature automatically shuts down in case of high carbon monoxide levels, providing peace of mind during use.

Whether you're an RV enthusiast, camping enthusiast, or DIY expert, the WT05571 accommodates all with various outlets for different needs. Power up and confidently conquer the wild with the reliable and adaptable WT05571. Enhance your experience with the superior performance of FIRMAN.

The WT05571 comes with an engine oil bottle, an oil funnel, a tool kit, an LPG regulator, and a quick oil drain.

**This product is not certified to ship to California.
Natural Gas 25' Hose with Storage Strap

Natural Gas 25' Hose with Storage Strap

FIRMAN PRECISION, LEGENDARY PERFORMANCE

  • 322cc engine
  • Recoil start 
  • Electric start 
  • Starting watts 6850W (GAS), 6250W (LPG), 5500(NG)
  • Running watts 5500W (GAS), 5000W (LPG), 4500W(NG)
  • 120/240 AC Volts
  • Low oil shut off
  • Cast iron sleeve

OUR PERFORMANCE, YOUR ADVANTAGE

  • 5.3-gallon tank
  • Up to 14.5 hours of run time at 1/4 load
  • Weight: 131.4 lbs
  • 67dB ¼ load
  • Eco Mode

FEATURES THAT GO BEYOND YOUR EXPECTATIONS

3-year warranty

Parallel Operation

Multi-Meter

CO alert technology

Multi-featured control panel with covered outlets

  • 1 x 5-20R 120V 20A DUPLEX
  • 1 x TT-30R 120V 30A RV
  • 1 x L14-30R 120V/240V 30A TWISTLOCK
  • 1 x 14-50R 120V/240V 50A
  • 1 x USB-TYPE C OUTLET
  • DC OUTLET 12V/TYPE  - 1x2 prong angled
ENGINEERED IN THE USA

FIRMAN generators are made to endure every condition from cold winter nights to hot summer days to everything in between.

Industry-Leading Warranty

New FIRMAN generators are backed by a 3-year warranty. Refurbished generators have a limited 90 day warranty

Customer Support

Our skilled technicians located in Peoria, AZ are available 7 days a week to provide the support you need when you need it most. 

6850/5500

Gas

6250/5000

Liquid Propane

5500/4500

Natural Gas

14.5Hr Run Time

5.3 Gallon Tank

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Manuals

WT05571_Manual_English

download

WT05571_Manual_Spanish

download

WT05571_Manual_French

download

WT05571_QSSG_English

download

WT05571_QSSG_Spanish

download

WT05571_QSSG_French

download
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