A blue FIRMAN Dual Fuel Inverter Portable Generator 3300W Electric Start, featuring yellow wheels and a control panel, power output labels, and various outlet types.
Advertisement image for a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start featuring key specs like 3300 starting watts, 3000 running watts, and a 1.8-gallon tank; includes close-up views and icons.
Image of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start with icons depicting included accessories: LPG regulator, battery float, toolkit, engine oil, oil funnel, battery, and charger cable.
A blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start on a forest floor.
Blue and yellow FIRMAN Dual Fuel Inverter Portable Generator 3300W Electric Start with electric start, wheels, and various control settings displayed.
Portable black FIRMAN Power Equipment Dual Fuel Inverter Generator 3300W Electric Start viewed from the back, showing a large vent, warning labels, and rugged tires on a white background.
A FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start with visible control panel and yellow wheels, isolated on a white background.
Portable FIRMAN Power Equipment Dual Fuel Inverter Generator 3300W Electric Start isolated on a white background.
Top view of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start with various warning labels and operating instructions printed on the casing.
Blue and black FIRMAN Dual Fuel Inverter Portable Generator 3300W Electric Start with yellow wheels on a white background.
Portable FIRMAN Power Equipment dual fuel inverter generator with electric start, predominantly blue with yellow wheels, featuring control panel and various outlets, isolated on a white background.
Replace with: FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start
A FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start, model WH03042, displayed on a white background, featuring prominent yellow and black design elements.
Technical line drawing of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start with labeled dimensions, showing front panel controls and connectors.
Technical line drawing of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start's rear view showing detailed design, dimensions, and heat vents, labeled with a width measurement of 17.8 inches at the top.
A blue FIRMAN Dual Fuel Inverter Portable Generator 3300W Electric Start, featuring yellow wheels and a control panel, power output labels, and various outlet types.
Advertisement image for a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start featuring key specs like 3300 starting watts, 3000 running watts, and a 1.8-gallon tank; includes close-up views and icons.
Image of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start with icons depicting included accessories: LPG regulator, battery float, toolkit, engine oil, oil funnel, battery, and charger cable.
A blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start on a forest floor.
Blue and yellow FIRMAN Dual Fuel Inverter Portable Generator 3300W Electric Start with electric start, wheels, and various control settings displayed.
Portable black FIRMAN Power Equipment Dual Fuel Inverter Generator 3300W Electric Start viewed from the back, showing a large vent, warning labels, and rugged tires on a white background.
A FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start with visible control panel and yellow wheels, isolated on a white background.
Portable FIRMAN Power Equipment Dual Fuel Inverter Generator 3300W Electric Start isolated on a white background.
Top view of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start with various warning labels and operating instructions printed on the casing.
Blue and black FIRMAN Dual Fuel Inverter Portable Generator 3300W Electric Start with yellow wheels on a white background.
Portable FIRMAN Power Equipment dual fuel inverter generator with electric start, predominantly blue with yellow wheels, featuring control panel and various outlets, isolated on a white background.
Replace with: FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start
A FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start, model WH03042, displayed on a white background, featuring prominent yellow and black design elements.
Technical line drawing of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start with labeled dimensions, showing front panel controls and connectors.
Technical line drawing of a FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 3300W Electric Start's rear view showing detailed design, dimensions, and heat vents, labeled with a width measurement of 17.8 inches at the top.
01/01
Certification: Certification cETL Certification EPA
Model: wh03042

Dual Fuel Inverter Portable Generator 3300W Electric Start
$999.99 USD
Free Shipping on all Generators
SERIES Whisper,Hybrid
TYPE Dual Fuel Inverter

The FIRMAN WH03042 Dual Fuel Inverter Generator delivers quiet, fuel-efficient power with the flexibility to run on gasoline or propane. Designed for RV trips, camping, tailgating, and home backup, this portable inverter generator provides clean power with less than 3% THD—safe for laptops, smartphones, TVs, and other sensitive electronics.

Powered by a reliable 171cc FIRMAN engine, the WH03042 produces 3,300 starting watts and 3,000 running watts on gasoline, and 3,000 starting watts and 2,700 running watts on propane. The electric start with recoil backup ensures easy operation, while Eco Mode automatically adjusts engine speed to maximize fuel efficiency and extend runtime. A 1.8-gallon fuel tank delivers up to 9 hours of runtime at 25% load.

The multi-feature control panel offers versatile outlet options to power multiple devices at once, including (1) 5-20R 120V 20A duplex outlet, (1) TT-30R 120V 30A RV-ready twist-lock outlet (25A/120V/3000W), (1) USB-A port (2.1A/5V DC/10W), and (1) 12V DC power port (8.3A/12V DC/100W). Low oil shutoff protection adds durability and peace of mind.

Lightweight, portable, and operating at just 58 dB at 25% load, the WH03042 is built for quiet performance wherever you need dependable power.

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

LEGENDARY FIRMAN ENGINEERING

  • 171cc engine
  • Recoil start
  • Electric start
  • Low oil shut off
  • Cast iron sleeve
  • Running watts 3000W
  • Starting watts 330W
  • 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

ALL OF THE FEATURES YOU EXPECT FROM FIRMAN

3-year warranty

Eco mode 

Multi-featured control panel with covered outlets

  • (1) 5-20R 120V 20A DUPLEX
  • (1) TT-30R 120V 30A TWISTLOCK (25A/120V/3000W)
  • (1) USB-A (2.1A/5V DC/10W)
  • (1) 12V DC Power Port/Plug (8.3A/12V DC/100W)
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. 

171CC

FIRMAN Engine

3000(Gas) 2700(LPG)

Running Watts

3300(Gas) 3000(LPG)

Starting Watts

1.8 Gallon Gas Tank

9Hr Run Time

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No specifications available for this product.

Manuals

WH03042_Manual.English

download

WH03042_Manual.Spanish

download

WH03042_Manual.French

download

WH03042 Quick Start/Stop Guide

download

Watch

WH03042 Overview

Watch

WH03042 Maintenance

Watch

WH03042 Unboxing

Watch

Dave Sparks WH03042 Product Overview

COMPATIBLE ACCESSORIES

A Medium Size Portable Generator Inverter Cover by FIRMAN Power Equipment shields your portable generator and features the bold orange slogan "Power On Demand" on a durable, all-weather dark gray design.
MEDIUM SIZE PORTABLE GENERATOR INVERTER COVER
$39.99 USD
Black and yellow FIRMAN Power Equipment Heavy Duty Storage Strap with Handle, featuring a webbed design and printed text logo, isolated on a white background.
HEAVY DUTY STORAGE STRAP WITH HANDLE
$9.99 USD
@FIRMANpowerequipment
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A man shows off his FIRMAN Accessories and Inverter Generator collection.
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A FIRMAN generator is sitting on the bed of a white pick up truck. The truck is parked against a concrete wall.
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