Blue FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT on a white background.
Advertisement for the FIRMAN Power Equipment Whisper Hybrid Series dual fuel generator highlighting features: 4000 starting watts, 3200 running watts, 1.8 gallon tank, 9-hour runtime, 193cc engine
Portable generator from the FIRMAN Power Equipment Whisper Hybrid Series displaying included accessories: LPG regulator, battery float, tool kit, engine oil, oil funnel, battery, and charger cable.
Image of a FIRMAN Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT with a highlighted 'bonus items' text and a graphic overlay indicating an included cover, set against a blurred outdoor background.
A portable blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT placed in front of an open camper van.
Portable generator from the FIRMAN Power Equipment Whisper Hybrid Series in a grassy campsite with a tent and camping chair in the background, surrounded by trees.
A blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT from the Whisper Hybrid Series on a wooden dock overlooking a lake.
Blue and yellow FIRMAN Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT on wheels with control panel displaying various outlets and gauges from the Whisper Hybrid Series.
FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT on a white background, viewed from the front with visible control panel and sturdy wheels.
FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT with yellow and black color scheme, featuring control panel and safety instructions, ideal for the Whisper Hybrid Series.
A portable black and blue FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT unit with visible vents and control panel, photographed on a white background.
Top view of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT with multiple warning and instruction labels visible.
Blue and black FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT with yellow wheels and multiple power output ports.
A portable FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT, with a blue and black casing and yellow accents, featuring multiple outlets and digital controls.
FIRMAN Power Equipment's Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT, with prominent control panel and yellow wheels on a subtle striped background.
Portable dual-fuel Firman Power Equipment generator with yellow accents and multiple operation labels on the front panel, set against a white background from the Whisper Hybrid Series.
Blue FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT on a white background.
Advertisement for the FIRMAN Power Equipment Whisper Hybrid Series dual fuel generator highlighting features: 4000 starting watts, 3200 running watts, 1.8 gallon tank, 9-hour runtime, 193cc engine
Portable generator from the FIRMAN Power Equipment Whisper Hybrid Series displaying included accessories: LPG regulator, battery float, tool kit, engine oil, oil funnel, battery, and charger cable.
Image of a FIRMAN Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT with a highlighted 'bonus items' text and a graphic overlay indicating an included cover, set against a blurred outdoor background.
A portable blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT placed in front of an open camper van.
Portable generator from the FIRMAN Power Equipment Whisper Hybrid Series in a grassy campsite with a tent and camping chair in the background, surrounded by trees.
A blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT from the Whisper Hybrid Series on a wooden dock overlooking a lake.
Blue and yellow FIRMAN Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT on wheels with control panel displaying various outlets and gauges from the Whisper Hybrid Series.
FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT on a white background, viewed from the front with visible control panel and sturdy wheels.
FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT with yellow and black color scheme, featuring control panel and safety instructions, ideal for the Whisper Hybrid Series.
A portable black and blue FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT unit with visible vents and control panel, photographed on a white background.
Top view of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT with multiple warning and instruction labels visible.
Blue and black FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT with yellow wheels and multiple power output ports.
A portable FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT, with a blue and black casing and yellow accents, featuring multiple outlets and digital controls.
FIRMAN Power Equipment's Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT, with prominent control panel and yellow wheels on a subtle striped background.
Portable dual-fuel Firman Power Equipment generator with yellow accents and multiple operation labels on the front panel, set against a white background from the Whisper Hybrid Series.
01/01
Certification: Certification CARB Certification cETL Certification EPA
Model: wh03242

Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT
$1,199.99 USD
Free Shipping on all Generators
SERIES Whisper,Hybrid
TYPE Dual Fuel Inverter

The FIRMAN WH03242 is a 3200/4000W 30A electric start RV-ready portable generator, running on both propane and gasoline for the best of both worlds.

The WH03242 is a part of the Whisper Hybrid Dual Fuel Generator Series. It runs at a quiet 58dB, well below National Park standards.

It's the ideal solution for those on the go and those who enjoy camping, tailgating, and other recreational activities.

Enjoy clean, renewable, quiet power on the go with the WH03242.

The WH03242 comes with a cover, an engine oil bottle, oil funnel, spark plug wrench, screwdriver, 12V battery cable, LPG regulator (0.8m), floater charger for the battery and quick oil drain.

LEGENDARY FIRMAN ENGINEERING

  • 193cc max pro series engine
  • Recoil start 
  • Electric start 
  • Low oil shut off
  • Cast iron sleeve
  • Running watts 3200W (GAS), 3000W (LPG)
  • Starting watts 4000W (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

3200(Gas) 3000(LPG)

Running Watts

4000(Gas) 3750(LPG)

Starting Watts

1.8 Gallon Gas Tank

10 Hour Run Time

LOADING...
No specifications available for this product.

Manuals

WH03242_Manual_English

download

WH03242_Manual_Spanish

download

WH03242_Manual_French

download

WH03242 Quick Start Stop Guide

download

Watch

CO Alert Overview

Watch

WH03242 Unboxing

Watch

WH03242 Overview

Watch

WH03242 Maintenance

@FIRMANpowerequipment
Image of a Woman holding a handle to an Inverter Generator and walking towards a pick up truck and trailer cart.
An image of a woman uncovering her FIRMAN Generator that is on her truck bed.
A man shows off his FIRMAN Accessories and Inverter Generator collection.
Image of a woman lifting her FIRMAN Inverter Generator with it's U-Shaped Handle
Image of a man holding a cup of coffee in the woods with a FIRMAN Power Generator that is connected to a power cord.
A FIRMAN generator is sitting on the bed of a white pick up truck. The truck is parked against a concrete wall.
Image of a small dog and a FIRMAN Inverter Generator with a suitcase handle, outside on a camping ground.
Image of a man sitting on FIRMAN Power Generator boxes and holding a small Inverter generator.