FIRMAN · Portable generator
L03391
4,100 starting watts and 3,300 running watts with propane operation.
$899.99
Direct price snapshot
Visual spec gallery
Core specifications, simplified.
Up to 4,100 starting watts
4,100W starting
Manufacturer runtime
10hrs
Operating volume
67dB 1/2 load
Fuel tank
Not listed
115
Unit weight
24.8x21.7x21.7
Unit dimensions
- Warranty
- 3-year warranty
- Certifications
- CETL · EPA
- Availability
- Available
Starting
Electric, Recoil
Power quality
25% THD
Safety
Low-oil shutdown
Electrical
120 · 60
1 × 5-20R 120V 20A DUPLEX · 1 × L5-30R 120V 30A TWISTLOCK · 1 × TT-30R 120V 30A RV
Official product gallery
Product views and FIRMAN infographics.
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.
Complete specifications
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.
Manufacturer overview
The FIRMAN L03391 is perfect for consumers looking for an eco-friendly, cleaner-burning fuel solution, producing 4100 starting and 3300 running watts. 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.
Specifications · Certifications
- CARB Certified
- No
- EPA Certified
- Yes
- cETL Certified
- No
- NOM Certified
- No
- UL Certified
- No
Specifications · 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%
Specifications · 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
Specifications · Machine
- Low Oil Shutoff
- Yes
- Power Stream Alternator
- Yes
- Cast Iron Sleeve
- Yes
Specifications · Fuel System
- Fuel
- LPG
Specifications · Wheel Kit
- 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
Packaging · Carton
- Carton Dimensions
- 27.6x18.1x20.5
- Carton Length
- 27.6
- Carton Width
- 18.1
- Carton Height
- 20.5
- Carton Weight
- 126
Best-fit uses
- Home Projects
- Power Outage
- Tailgate
- Work
Standout features
- Electric, Recoil start
Compare it with your actual load.
Run your essentials through our independent wattage calculator before buying.