A blue and black FIRMAN Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT with yellow wheels and various operational buttons and ports on the front panel.
An advertisement for a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT featuring key specifications like 4000 starting watts, 3200 running watts, and a carbon monoxide alert system, along with a 3-year warranty.
Graphic showing included accessories for a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT: battery float, charger cable, tool kit, engine oil, oil funnel, 3.3ft LPG regulator, and a battery, all depicted
A FIRMAN Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT from the Whisper Series is in a garage, with cars and motorcycles in the background, and an American flag hanging on the wall.
A man connects a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT outside a brick house.
Blue and black portable FIRMAN Power Equipment Whisper Series Generator with yellow wheels and digital display, featuring CO alert system.
Diagram of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT control panel with labels for various switches and ports, including engine controls, outlets, and safety features.
Portable FIRMAN Power Equipment Dual Fuel Inverter Generator 4125W Electric Start with CO ALERT displayed outdoors with highlighted bonus items: a protective cover and a 25-foot power cord.
A blue FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT displayed with its accessories including cables and manuals, placed on a concrete surface outdoors.
Top view of a FIRMAN Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT showing warning labels, control panel details, and carry handles.
Portable FIRMAN Power Equipment Dual Fuel Inverter Generator 4125W Electric Start with CO ALERT in blue and black with yellow wheels, featuring control panel and various warning labels.
Blue and black FIRMAN Power Equipment Dual Fuel Inverter Portable Generator with yellow wheels on a striped background.
A blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT with multiple outlets and digital displays, set against a striped background.
A portable FIRMAN Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT, with yellow wheels, displayed on a concrete path with grass and trees in the background.
FIRMAN Power Equipment Dual Fuel Inverter Portable Generator on wheels, blue, with visible dimensions and control panel labeled with various functions including CO alert.
A blue and black FIRMAN Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT with yellow wheels and various operational buttons and ports on the front panel.
An advertisement for a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT featuring key specifications like 4000 starting watts, 3200 running watts, and a carbon monoxide alert system, along with a 3-year warranty.
Graphic showing included accessories for a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT: battery float, charger cable, tool kit, engine oil, oil funnel, 3.3ft LPG regulator, and a battery, all depicted
A FIRMAN Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT from the Whisper Series is in a garage, with cars and motorcycles in the background, and an American flag hanging on the wall.
A man connects a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT outside a brick house.
Blue and black portable FIRMAN Power Equipment Whisper Series Generator with yellow wheels and digital display, featuring CO alert system.
Diagram of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT control panel with labels for various switches and ports, including engine controls, outlets, and safety features.
Portable FIRMAN Power Equipment Dual Fuel Inverter Generator 4125W Electric Start with CO ALERT displayed outdoors with highlighted bonus items: a protective cover and a 25-foot power cord.
A blue FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT displayed with its accessories including cables and manuals, placed on a concrete surface outdoors.
Top view of a FIRMAN Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT showing warning labels, control panel details, and carry handles.
Portable FIRMAN Power Equipment Dual Fuel Inverter Generator 4125W Electric Start with CO ALERT in blue and black with yellow wheels, featuring control panel and various warning labels.
Blue and black FIRMAN Power Equipment Dual Fuel Inverter Portable Generator with yellow wheels on a striped background.
A blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT with multiple outlets and digital displays, set against a striped background.
A portable FIRMAN Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT, with yellow wheels, displayed on a concrete path with grass and trees in the background.
FIRMAN Power Equipment Dual Fuel Inverter Portable Generator on wheels, blue, with visible dimensions and control panel labeled with various functions including CO alert.
01/01
Certification: Certification cETL Certification EPA
Model: wh03342

Dual Fuel Inverter Portable Generator 4125W Electric Start with CO ALERT
$1,119.99 USD
Free Shipping on all Generators

The FIRMAN WH03342 is a 3300 Running Watts/ 4125 Starting Watts portable generator running on either Gasoline or Propane, for the best of both worlds.

The WH03342 is a part of the Whisper Dual Fuel Generator Series. It runs at a quiet 58dB, below National Park standards and is RV-Ready! The WH03342 is the ideal solution for those on the go and those who enjoy camping, tailgating, and other recreational activities.

The electric start makes this unit very easy-to-use, from the push of a button. It can even be used in parallel with another FIRMAN Whisper inverter.

With a THD < 3% this unit is also ideal for fine electronics. Enjoy clean, renewable, quiet power with the FIRMAN WH03342.

The WH03342 comes with an engine oil bottle, oil funnel, spark plug wrench, screwdriver, 12V battery cable, 3.3ft LPG regulator, floater charger for the battery and quick oil drain.

BONUS included items are: a medium durable and water resistant cover, a 25 ft Power Cord 5-15P to 3x5-15R to extend your power. The WH03342 is ready to use!

**This product is not certified to ship to California.

LEGENDARY FIRMAN ENGINEERING

  • 193cc max pro series engine
  • Recoil start 
  • Electric start 
  • Low oil shut off
  • Cast iron sleeve
  • Running watts 3300W (GAS), 3000W (LPG)
  • Starting watts 4125W (GAS), 3750W (LPG)
  • 120 volts

PERFORMANCE IN A LEAGUE OF ITS OWN

  • 1.8-gallon tank
  • Up to 9 hours of run time at 25% load
  • Weight: 90 lbs
  • 58dB ¼ load

FEATURES YOU EXPECT FROM FIRMAN

3-year warranty 

New 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 USB OUTLET(5V 2.1A) 
  • 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. 

193cc

FIRMAN Engine

3300/4125

Gas

3000/3750

Liquid Propane

1.8 Gallon Gas Tank

9 Hour Run Time

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Manuals

WH03342_Manual_English

download

WH03342_Manual_French

download

WH03342_Manual_Spanish

download

WH03342_QSSG_English

download

WH03342_QSSG_Spanish

download

WH03342_QSSG_French

download

Watch

WH03342 Overview

Watch

WH03342 Maintenance

Watch

WH03342 Unboxing

@FIRMANpowerequipment
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