Portable FIRMAN Power Equipment W03663OF generator on wheels with a yellow and black color scheme, displayed against a white background.
Advertisement for the FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert highlighting features such as 4200 starting watts, 3650 running watts, 6l tank, 208cc engine.
Graphic showing items included with the FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert product: toolkit, wheels, handle, engine oil, oil funnel, parallel cable, remote control, charger cable, and battery, all icons.
Portable FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert generator with a "bonus items" label and an illustration of an l5-30p to tt-30r adapter.
A man uses a table saw powered by a fuel-efficient FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert outdoors, with a barn in the background.
A person in winter clothing operates a yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on wheels in a snowy environment.
Rear view of a fuel-efficient FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert gas generator showing the engine, wheels, and various operational stickers and labels.
Yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on a white background, showing its engine and wheel.
Front view of a modern, fuel-efficient FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on wheels with visible engine and controls, predominantly black and gray with orange accents.
A FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert displayed outdoors with its manual, a bottle of oil, wheels, and power cords arranged around it.
Top view of a yellow FIRMAN Power Equipment emergency roadside kit in a compact case, featuring various safety tools and clean power instructions, arranged neatly around a central tire pressure gauge.
A fuel-efficient FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on grass, featuring a yellow and black color scheme, with a barn in the background.
A FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert with a yellow and black design, featuring large wheels and a structured metal frame.
Yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on a white background.
A FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on a white background, featuring multiple outlets and a yellow and black casing.
Yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert, displayed against a grey striped background.
Yellow and black FIRMAN Power Equipment W03663OF Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert with wheels on a white background.
Yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator W03663OF 4500W Remote Start with CO Alert with labeled dimensions on white background.
Portable FIRMAN Power Equipment W03663OF generator on wheels with a yellow and black color scheme, displayed against a white background.
Advertisement for the FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert highlighting features such as 4200 starting watts, 3650 running watts, 6l tank, 208cc engine.
Graphic showing items included with the FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert product: toolkit, wheels, handle, engine oil, oil funnel, parallel cable, remote control, charger cable, and battery, all icons.
Portable FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert generator with a "bonus items" label and an illustration of an l5-30p to tt-30r adapter.
A man uses a table saw powered by a fuel-efficient FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert outdoors, with a barn in the background.
A person in winter clothing operates a yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on wheels in a snowy environment.
Rear view of a fuel-efficient FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert gas generator showing the engine, wheels, and various operational stickers and labels.
Yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on a white background, showing its engine and wheel.
Front view of a modern, fuel-efficient FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on wheels with visible engine and controls, predominantly black and gray with orange accents.
A FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert displayed outdoors with its manual, a bottle of oil, wheels, and power cords arranged around it.
Top view of a yellow FIRMAN Power Equipment emergency roadside kit in a compact case, featuring various safety tools and clean power instructions, arranged neatly around a central tire pressure gauge.
A fuel-efficient FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on grass, featuring a yellow and black color scheme, with a barn in the background.
A FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert with a yellow and black design, featuring large wheels and a structured metal frame.
Yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on a white background.
A FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert on a white background, featuring multiple outlets and a yellow and black casing.
Yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert, displayed against a grey striped background.
Yellow and black FIRMAN Power Equipment W03663OF Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert with wheels on a white background.
Yellow and black FIRMAN Power Equipment Inverter Open Frame Portable Generator W03663OF 4500W Remote Start with CO Alert with labeled dimensions on white background.
01/01
Certification: Certification cETL Certification EPA
Model: w03663of

Inverter Open Frame Portable Generator 4500W Remote Start with CO Alert
$1,299.99 USD
Free Shipping on all Generators
SERIES Inverter
TYPE Open Frame Inverter
The FIRMAN W03663OF is fuel-efficient and provides clean, renewable power for electronics and sensitive equipment.

The W03663OF is the perfect option for when you need clean power and a higher run time. It has a 6-gallon tank capacity with a runtime of up to 22 hours at 25% load..

The W03663OF is ideal for street performers, musicians, campers, or those who need a backup power station for their home events.

The W03663OF comes with an engine oil bottle, oil funnel, spark plug wrench, a double open-ended wrench (10mm,12mm), 12V battery cable, adaptor, parallel cable, and parallel cable holder.
**This product is not certified to ship to California.

LEGENDARY FIRMAN ENGINEERING

  • 208cc engine
  • Recoil start
  • Electric start 
  • Remote start
  • Low oil shut off
  • Cast iron sleeve
  • Running watts 3650W 
  • Starting watts 4500W 
  • 120 volts

 

PERFORMANCE IN A LEAGUE OF ITS OWN

  • Up to 22 hours of runtime at 25% load
  • 6-gallon tank
  • Eco mode varies engine speed depending on load for maxim fuel efficiency 
  • Weight: 106 lbs
  • 67dB ¼ load

FEATURES YOU EXPECT FROM FIRMAN

3-year warranty

Multi-featured control panel with covered outlets

  • 1 x 5-20R 120V 20A DUPLEX
  • 1 x L5-30R 120V 30A TWIST LOCK
  • 1 x 14-50R 120V/240V 50A
  • 1 x DC 12V Output 
  • 1 x DC 5V 2.1/1.0A USB Outlet 
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. 

3650

Running Watts

4500

Starting Watts

208

FIRMAN Engine

6 Gallon Gas Tank

22 Hrs Run Time

LOADING...
No specifications available for this product.

Manuals

W03663OF QSSG

download

W03663OF Manual French

download

W03663OF Manual English

download

W03663OF Manual Spanish

download

Watch

CO Alert Overview

Watch

W03663OF Overview

Watch

W03663OF Maintenance

Watch

W03663OF Unboxing

@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.