
At a Glance
3300 Running Watts
Gasoline/Liquid propane
93.3 (lb)
Firman Electric Start 4125 Starting / 3300 Running Watt Gasoline, Liquid propane Dual Fuel Inverter Generator
Item #5218354 |
Model #WH03342
Shipping
Tue, Oct 6
500 available
Delivery
181 available


Emergency
Power your home during an outage.

Jobsites
Power multiple tools at your remote work site.

Tailgating
Power small travel accessories and more.
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General | |||
|---|---|---|---|
Fuel Type | Gasoline/Liquid propane | Use Location | Outdoor |
Start Type | Electric/Pull | Series Name | Electric Start |
Tire Type | Flat-free | Oil Type | 10W30 |
Type of Alternator | Magneto Inductor | ||
Dimensions | |||
|---|---|---|---|
Operational Volume | Quiet (below 60 dB) | Fuel Capacity (Gallons) | 1.8 |
Height (Inches) | 19.3 | Oil Capacity (Quarts) | 0.63 |
Length (Inches) | 28.7 | Running Watt Range | 3001 to 6000 |
Weight (lbs.) | 93.3 | Tire Diameter (Inches) | 5 |
Width (Inches) | 18.9 | ||
Features | |||
|---|---|---|---|
Cooling Method | Air cooled | Hour Meter | Yes |
Carbon Monoxide Sensor | Yes | Low Oil Shut Down | Yes |
Fuel Technology | Dual fuel | Run Time at 1/2 Load (Hours) | 9 |
Automatic Idle Control | Yes | Running Watts | 3300 |
Automatic Voltage Regulation | Yes | Starting Watts | 4125 |
Control Panel | Yes | Number of Outlets | 5 |
Engine Brand | FIRMAN | Lowe's Exclusive | Yes |
Engine Displacement (Cu. Centimeters) | 193 | Wheel Kit Included | Yes |
Fuel Gauge | No | ||
Warranty | |||
|---|---|---|---|
Warranty | 4-year | ||
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | No | CARB Compliant | No |
Safety Listing | cETL safety listing | OSHA Required GFCI Outlets | Yes |
ANSI/PGMA G300 Compliant | Yes | ||
Compatibility | |||
|---|---|---|---|
Can Be Used for Recreation | Yes | Can Be Used for Emergency Use | Yes |
Can Be Used for Jobsites | Yes | Can Be Used for Tailgating | Yes |
Can Be Used for Campsites | Yes | ||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 26111600 | ||
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Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this dual-fuel generator for quiet operation, reliable power delivery, and user-friendly design. Most highlight its ability to power demanding appliances like 15,000 BTU RV air conditioners and refrigerators without issue, with many noting extended run times—up to 13.5 hours on propane or 2.5 hours at 2400W. Reviewers consistently emphasize the quiet performance allows normal conversation nearby, while appreciating the flexible fuel switching, electric and pull-start options, and included accessories. Long-term users report exceptional durability with minimal maintenance over years of use. A few report battery or mechanical issues, though these concerns are significantly outweighed by positive experiences.
Customer review summary generated by AI, including incentivized reviews.Great features
I used this generator for the first time when I lost power I was surprised on how quiet it actually was.
From FIRMAN Power Equipment
Happy Camper
[This review was collected as part of a promotion.] I’m so happy I bought this! It works great for our RV. It has the 30amp plug in right on it. It’s not that loud. Works wonderful for what we need!
From FIRMAN Power Equipment
Works great paired with a second one or all by itself
[This review was collected as part of a promotion.] We own 2 now and run them together while boondocking. Work great with the 50a 1210
From FIRMAN Power Equipment
Super fast online order
I ordered this online when no one in Hawaii could find a generator instore during the hurricane season 2026. I received the generator within a week of ordering and it was boxed really well. I'm now ready for any power outages with my Firman. Mahalo Costco!!
Verified Purchaser
Great product
Delivered on time and in great shape. All instructions and registration forms available and easy to understand. Delivery was professionally done Started and ran on gas ver quiet.
Verified Purchaser
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