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FIRMAN · Inverter generator

W03385

3,650 starting watts and 3,300 running watts with gasoline operation.

3,300W running3,650W starting58dB @ 1/4 loadGasoline

$1,399.99

Direct price snapshot
FIRMAN Inverter Portable Generator 3650/3300W WITH CO ALERT
Official product image: FIRMAN

Core specifications, simplified.

01 · Output by fuel

Up to 3,650 starting watts

Gasoline3,300W running

3,650W starting

02 · Runtime & operation

Manufacturer runtime

9 hrs

Operating volume

58dB @ 1/4 load

Fuel tank

1.8

03 · Size & ownership

91 Lbs

Unit weight

23.2" x 17.8" x 17.9"

Unit dimensions

Warranty
3-year warranty
Certifications
CARB · CETL · EPA
Availability
Sold out
04 · Controls & safety

Starting

See full specifications

Power quality

3% THD

Safety

Low-oil shutdown · CO Alert

Electrical

120 · 60

1 × 5-20R 120V 20A DUPLEX · 1 × TT-30R 120V 30A TWISTLOCK (27.5A/120V/3300W) · 1 × USB-A (2.1A/5V DC/10W)

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 W03385 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

Experience the power and convenience of the FIRMAN W03385 Portable Inverter Generator. With its 3,650/3,300W capacity, this fuel-efficient and quiet generator delivers clean, renewable power for your electronics and sensitive equipment. The W03385 is an ideal candidate and the perfect option for those who enjoy camping outdoors, tailgating, or need a reliable power station for other recreational activities. Enjoy the mobility of the FIRMAN W03385 portable generator with its built-in wheel kit and U shape folding handle for ease of movement. FIRMAN generators are synonymous with convenience, and the W03385 is no exception. Engineered for ease of use, this portable generator can accompany you on any adventure. The W03385 comes with an engine oil bottle, oil funnel, spark plug wrench, screwdriver, 12V battery cable, floater charger, and quick oil drain.

Specifications · Certifications

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

Specifications · Output

Running Watts
3,300
Starting Watts
3,650
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
Remote Start
Yes
5-20R 120V 20A DUPLEX
1
TT-30R 120V 30A TWISTLOCK (27.5A/120V/3300W)
1
USB-A (2.1A/5V DC/10W)
1
12V DC Power Port/Plug (8.3A/12V DC/100W)
1
Parallel Ports
2

Specifications · Machine

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

Specifications · Fuel System

Fuel
Gas
Tank Size
1.8
Steel/Plastic
Plastic

Specifications · Wheel Kit

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

Packaging · Unit

UPC
840876133859
Unit Dimensions
23.2" x 17.8" x 17.9"
Unit Length
23.2"
Unit Width
17.8"
Unit Height
17.9"
Unit Weight
91 Lbs

Packaging · Carton

Carton Dimensions
26.6" x 18.9" x 19.3"
Carton Length
26.6"
Carton Width
18.9"
Carton Height
19.3"
Carton Weight
104 Lbs
  • Camping
  • Home Projects
  • Power Outage
  • Tailgate
  • Work
  • Inverter power
  • CO Alert shutdown protection

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