A green FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with wheels and various power output sockets displayed on the side panel.
Promotional image of a green FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start displaying its features: 4100 starting watts, 3300 running watts, and other specifications.
An advertisement image featuring a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start and yellow icons depicting included accessories such as a toolkit, regulator with hose, u-shaped handle, wheels, oil funnel, and battery.
Man in a welding helmet and protective gear refueling a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start in a snowy woodland area.
Portable FIRMAN Power Equipment L03391 generator on a wooden pallet, featuring control panel and wheels, in an outdoor setting.
A FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with a green and black color scheme, featuring wheels, a control panel, and handles.
Advertisement showing bonus items for a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start, including a cover, hose holder, short power cord, and plastic clips, displayed on yellow squares against a dark background.
A green and black FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with visible engine and wheels, isolated on a white background.
FIRMAN Power Equipment's LPG Portable Generator 4100W Electric Start on wheels with visible engine and large green handle.
Portable propane generator on a frame with wheels, viewed from the back: FIRMAN Power Equipment's LPG Portable Generator 4100W Electric Start.
Top view of a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with visible warning labels and instructions on a gray and green casing.
A portable FIRMAN Power Equipment L03391 generator on wheels, positioned against a wooden wall, featuring power output details on the control panel.
Portable FIRMAN Power Equipment L03391 propane generator featuring a control panel, wheels, and handles on a white background.
A FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start, model LO3391, featuring a green and black color scheme, displayed on a white background.
Portable green FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start power generator with large wheels, displayed against a plain white background.
Portable propane generator on wheels, featuring a dark green and black color scheme, displayed against a white background. (LPG Portable Generator 4100W Electric Start by FIRMAN Power Equipment)
Technical drawing of a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with labeled dimensions, including wheels and control panel.
Technical line drawing of a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start, showing front view dimensions and internal components.
A green FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with wheels and various power output sockets displayed on the side panel.
Promotional image of a green FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start displaying its features: 4100 starting watts, 3300 running watts, and other specifications.
An advertisement image featuring a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start and yellow icons depicting included accessories such as a toolkit, regulator with hose, u-shaped handle, wheels, oil funnel, and battery.
Man in a welding helmet and protective gear refueling a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start in a snowy woodland area.
Portable FIRMAN Power Equipment L03391 generator on a wooden pallet, featuring control panel and wheels, in an outdoor setting.
A FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with a green and black color scheme, featuring wheels, a control panel, and handles.
Advertisement showing bonus items for a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start, including a cover, hose holder, short power cord, and plastic clips, displayed on yellow squares against a dark background.
A green and black FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with visible engine and wheels, isolated on a white background.
FIRMAN Power Equipment's LPG Portable Generator 4100W Electric Start on wheels with visible engine and large green handle.
Portable propane generator on a frame with wheels, viewed from the back: FIRMAN Power Equipment's LPG Portable Generator 4100W Electric Start.
Top view of a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with visible warning labels and instructions on a gray and green casing.
A portable FIRMAN Power Equipment L03391 generator on wheels, positioned against a wooden wall, featuring power output details on the control panel.
Portable FIRMAN Power Equipment L03391 propane generator featuring a control panel, wheels, and handles on a white background.
A FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start, model LO3391, featuring a green and black color scheme, displayed on a white background.
Portable green FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start power generator with large wheels, displayed against a plain white background.
Portable propane generator on wheels, featuring a dark green and black color scheme, displayed against a white background. (LPG Portable Generator 4100W Electric Start by FIRMAN Power Equipment)
Technical drawing of a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start with labeled dimensions, including wheels and control panel.
Technical line drawing of a FIRMAN Power Equipment LPG Portable Generator 4100W Electric Start, showing front view dimensions and internal components.
01/18
Certification: Certification CARB Certification cETL Certification EPA
Model: l03391

LPG Portable Generator 4100W Electric Start
$899.99 USD
Free Shipping on all Generators
SERIES LPG
TYPE Open Frame Generator

The FIRMAN L03391 is perfect for consumers looking for an eco-friendly, cleaner-burning fuel solution.

The L03391 is the ideal candidate and the best option for those who enjoy camping, tailgating, or need a home backup power supply for other recreational events. With FIRMAN generators, you will always have a reliable companion ready to generate power anywhere, no matter what situation life throws at you and more!

The L03391 comes with an engine oil bottle, oil funnel, spark plug wrench, a double open-ended wrench (10mm,12mm), and an LPG regulator with a hose holder.

FIRMAN LEGENDARY POWER

  • 208cc
  • LPG (propane) Engine
  • Electric Start
  • Recoil Start
  • low oil shut off
  • cast iron sleeve

READY TO POWER YOUR LIFE

3-year warranty 

Multi-featured control panel with covered outlets

  • 1 x 5-20R 120V 20A DUPLEX GFCI
  • 1 x L5-30R 120V 30A TWIST LOCK
  • 1 x TT-30R 30A 120V RV


POWER WHERE YOU NEED IT

  • 8 Heavy Duty Wheels
  • High Folding Handle
  • 67 dB 1/2 load
  • 126 lb.
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. 

208CC

FIRMAN Engine

3300

Running Watts

4100

Starting Watts

Specifications

Certifications
CARB Certified YES
EPA Certified YES
cETL Certified YES
NOM Certified NO
UL Certified NO
CARB Certified YES
EPA Certified YES
cETL Certified YES
NOM Certified NO
UL Certified NO
Output
Running Watts 3300
Starting Watts 4100
AC Voltage 120
Frequency (Hertz) 60
Decibels 67dB 1/2 load
Run Time 10hrs
THD @ Full Load 25%
Running Watts 3300
Starting Watts 4100
AC Voltage 120
Frequency (Hertz) 60
Decibels 67dB 1/2 load
Run Time 10hrs
THD @ Full Load 25%
Control Panel
Recoil Start YES
Electric Start YES
5-20R 120V 20A DUPLEX 1
L5-30R 120V 30A TWISTLOCK 1
TT-30R 120V 30A RV 1
Recoil Start YES
Electric Start YES
5-20R 120V 20A DUPLEX 1
L5-30R 120V 30A TWISTLOCK 1
TT-30R 120V 30A RV 1
Machine
Low Oil Shutoff YES
Power Stream Alternator YES
Cast Iron Sleeve YES
Low Oil Shutoff YES
Power Stream Alternator YES
Cast Iron Sleeve YES
Fuel System
Fuel LPG
Fuel LPG
Wheel Kit
Wheels 8.0" -black/black -plastic-flat free
Handle single folding w/grip
Wheels 8.0" -black/black -plastic-flat free
Handle single folding w/grip

Packaging

Unit
UPC 840876133910
Unit Dimensions 24.8x21.7x21.7
Unit Length 24.8
Unit Width 21.7
Unit Height 21.7
Unit Weight 115
UPC 840876133910
Unit Dimensions 24.8x21.7x21.7
Unit Length 24.8
Unit Width 21.7
Unit Height 21.7
Unit Weight 115
Carton
Carton Dimensions 27.6x18.1x20.5
Carton Length 27.6
Carton Width 18.1
Carton Height 20.5
Carton Weight 126
Carton Dimensions 27.6x18.1x20.5
Carton Length 27.6
Carton Width 18.1
Carton Height 20.5
Carton Weight 126

Manuals

L03391 Manual English

download

L03391 Manual Spanish

download

L03391 Manual French

download

L03391 QSSG English

download

L03391 QSSG Spanish

download

L03391 QSSG French

download

L03391_Electrical_Schematics

download

COMPATIBLE ACCESSORIES

A Medium Size Portable Generator And Inverter Cover covered by a gray all-weather FIRMAN Power Equipment generator cover with the "FIRMAN power on demand" logo on the side, displayed on a white background.
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MEDIUM SIZE PORTABLE GENERATOR AND INVERTER COVER
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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
A yellow FIRMAN Power Equipment 25' Heavy Duty TT-30P to (3)5-20R Portable Generator Power Cord With Storage Strap, coiled neatly.
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25' HEAVY DUTY TT-30P TO (3)5-20R PORTABLE GENERATOR POWER CORD WITH STORAGE ...
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A coiled yellow FIRMAN Power Equipment 25' Heavy Duty TT-30P to TT-30R power cord with a black strap, featuring a three-prong plug on one end, isolated on a white background.
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25' HEAVY DUTY TT-30P TO TT-30R POWER CORD WITH STORAGE STRAP
$139.99 USD $82.99 USD
@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.