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FIRMAN · Inverter generator

WH03242F

4,000 starting watts and 3,200 running watts with gasoline, propane operation.

3,200W running4,000W starting58dB @ 1/4 loadGasoline + Propane
Check FIRMAN price Refurbished · Sold out

$999.99

$1,279.99

Direct price snapshot
FIRMAN Refurbished Dual Fuel Inverter 4000/3200W Electric Start With CO Alert
Official product image: FIRMAN

Core specifications, simplified.

01 · Output by fuel

Up to 4,000 starting watts

Gasoline3,200W running

4,000W starting

Propane3,000W running

3,750W starting

02 · Runtime & operation

Manufacturer runtime

9 hrs

Operating volume

58dB @ 1/4 load

Fuel tank

1.8 Gal

03 · Size & ownership

90 lbs

Unit weight

23.2" x 17.8" x 17.9"

Unit dimensions

Warranty
90-day limited warranty
Certifications
CARB · CETL · EPA
Availability
Refurbished · Sold out
04 · Controls & safety

Starting

Electric, Recoil

Power quality

3% THD

Safety

Low-oil shutdown · CO Alert

Electrical

120 · 60

1 × 5-20R 120V 20A DUPLEX · 1 × TT-30R 120V 30A RV · 1 × USB OUTLET(5V) · 1 × DC Outlet 12V8.3A

These manufacturer images may include dimensions, control-panel callouts, included equipment, safety features, and common use cases. Scroll sideways to view the complete set available for this model.

FIRMAN WH03242F product view
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Every official field, organized.

The technical fields below come from FIRMAN’s model-specific specification file. Product photos and infographics come from the official product gallery. Confirm current documentation before purchase.

Outdoor use only for combustion models. Never operate a fuel-burning generator inside a home, garage, shed, or other enclosed space. Follow FIRMAN’s manual and use an approved transfer method for home connections.

Manufacturer overview

The FIRMAN WH03242F is a 3200/4000W 30A electric start RV-ready portable generator, running on both propane and gasoline for the best of both worlds. · · The WH03242F 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 WH03242F. · FIRMAN Refurbished generators have a limited 90-day warranty. This product has been REFURBISHED to exacting specifications by FIRMAN technicians. Certified to work as new. May have cosmetic blemishes. NOTE - EVERYTHING YOU NEED TO GET STARTED IS IN THE BOX, INCLUDING: OWNER'S MANUAL AND LPG HOSE WITH REGULATOR.

Specifications · Certifications

CARB Certified
Yes
EPA Certified
Yes
cETL Certified
Yes
CO Alert
Yes
NOM Certified
No
UL Certified
No

Specifications · Output

Running Watts
3200(Gas) 3000 (LPG)
Starting Watts
4000 (Gas) 3750 (LPG)
AC Voltage
120
Frequency (Hertz)
60
Decibels
58dB @ 1/4 load
Run Time
9 hrs
THD @ Full Load
3%

Specifications · Control Panel

Recoil Start
Yes
Electric Start
Yes
5-20R 120V 20A DUPLEX
1
TT-30R 120V 30A RV
1
USB OUTLET(5V)
1
DC Outlet 12V8.3A
1
Parallel Ports
2

Specifications · Machine

Low Oil Shutoff
Yes
Power Stream Alternator
Yes
Cast Iron Sleeve
Yes

Specifications · Fuel System

Fuel
Gas/LPG
Tank Size
1.8 Gal
Steel/Plastic
Plastic

Specifications · Wheel Kit

Wheels
5.5" Yellow plastic flat free
Handle
U shape folding handle

Packaging · Unit

UPC
840876140864
Unit Dimensions
23.2" x 17.8" x 17.9"
Unit Length
23.2"
Unit Width
17.8"
Unit Height
17.9"
Unit Weight
90 lbs

Packaging · Carton

Carton Dimensions
28.7" x 18.9" x 19.3"
Carton Length
28.7"
Carton Width
18.9"
Carton Height
19.3"
Carton Weight
108 Lbs
  • Camping
  • Home Projects
  • Tailgate
  • Work
  • Dual-fuel flexibility
  • Inverter power
  • CO Alert shutdown protection
  • Electric, Recoil start
  • Factory refurbished

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Official sources:FIRMAN product pageTechnical specificationsAll FIRMAN generatorsVerified September 15, 2026