Firman W03081 - 3000/3300W Inverter Generator
The Firman W03081 is a quiet and compact inverter generator with a rated wattage of 3,000 W and a starting wattage of 3,300 W. (Read full specs)
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Description
The W03081 is an inverter generator, having low THD (clean power for electronics and sensitive equipment), quiet operation and fuel-efficient economy mode. It’s ergonomic encasing and integrated wheel kit makes it easy to transport for those weekend camping getaways.
Zoom on the Firman W03081
In short, the Firman W03081 is a quiet and compact portable inverter generator adequately designed for:
- RV travellers who wish to upgrade their experience to another level
- People occasionally participating in sporting competitions, open-air performances and outdoor festivals
- Handcrafting enthusiasts who wish to work on-the-go
- Homeowners in need of an emergency backup power for their essentials
- Camping and tailgating hobbyists looking for a portable power source
In the upcoming sections, you'll discover its power characteristics, the array of outlets it presents, its overall portability, and the additional features it possesses.
Power & Run Time
Running on gasoline, the Firman W03081 utilizes a 171 cc Firman Max-Pro Series OHV 4-stroke engine with cast iron sleeve to deliver 120V, offering a running wattage of 3,000W and a starting wattage of 3,300W. Additionally, the parallel capability (Firman parallel kit (opens in a new tab) not included) facilitates doubling of power output when linked to another similar or compatible unit, offering enhanced energy capacity and reliability for diverse requirements.
With a noise rating of 58 dBA (less noisy than rainfall), the inverter generator features a manual recoil starter system.
The W03081 boasts a fuel tank capable of holding 1.8 gallon, allowing it to run continuously for up to 10 hours (with fuel usage averaging around 0.18 gallons per hour).
With a <3% Total Harmonic Distortion (THD), the W03081 delivers a clean sine wave—essential for safeguarding your delicate electronics when plugged into its AC outlets.
Outlets
The control panel is equipped with the following 3 AC outlets:
Furthermore, it showcases 2 DC outlets: there's a 12V 8A receptacle making battery charging a breeze and a 5V USB port providing convenient charging capabilities for mobile phones, tablets, and other electronic devices.
Thanks to its TT-30R receptacle (TT meaning 'Travel Trailer'), this Firman generator is RV Ready, ready to power your recreational vehicle with ease.
Portability
Thanks to its closed inverter generator design (L23.2 x W17.8 x H17.9 in), the Firman W03081 not only offers superior aesthetics but also operates with reduced noise levels compared to a typical, open frame generator. This type of design is the most modern and convenient way to recreationally generate power.
The W03081 can be taken anywhere with you, thanks to its weight of 84 lbs. Additionally, it can be easily moved with the help of its set of 2 wheels (⌀5") and its folding handle, once it is on the ground.
Features
For convenient monitoring of its status and activity, the control panel of the W03081 includes a convenient meter, displaying voltage, frequency, and lifetime hours information.
In addition to this info, light indicators on the device will signal if the generator is overloaded, the generator is ready and its oil levels are insufficient.
From a security point of view, the generator is equipped with an automatic low oil shut-off and an overload protection (circuit breaker), giving you a peace of mind during use.
Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the Firman W03081 also is packed along with the following accessories: tool kit, oil, funnel and battery charging cables.
Product Videos
The Firman W03081 versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Firman W03081 compare to inverter generators of similar power (between 2500 and 3500 W).
- At a weight of 84 pounds, the Firman W03081 places in the expected weight range of the inverter generators in the 2500-3500 rated wattage range. In terms of weight, one of the champions in their power range is the Pulsar PGD40iSCO, standing at just 46 lbs.
- At a lowest noise rating of 58 dBA, this inverter generator is one of the quieter devices of similar type and power. If you value reduced noise levels, the Honda EU3000iS could be worth considering. It's one of the quietest generators in its power range, rated at 50 dBA.
- As far as autonomy is concerned, providing up to 10 hours of runtime with a full tank at a 25% load, the W03081 falls into the low end in comparison with other inverters of a comparable power output. If prolonged run time is essential to your needs, you could consider the Champion 200977, which offers one of the highest autonomy among devices with similar power output, lasting up to 22 hours.
- Run time is a key metric, but it's dependent on the generator's fuel tank capacity. Therefore, discussing fuel efficiency is necessary for a complete understanding. The inverter generator utilizes approximately 0.18 GPH of gasoline at a 25% load, placing it within the typical range of fuel consumption seen in products of comparable wattage. If you wish to acquire one of the most gasoline efficient products of this power range, the Honda EU3200i, with a fuel consumption of 0.14 GPH could be in your good books.
Here's a list of the most popular specific comparisons:
Price comparison
As you can see from these interactive charts, when compared to other 2500-3500W inverter generators, the Firman W03081 is on the average side of the price range.
Therefore, this generator nicely fits in the expected budget for this kind of product.
The bottom line
- In the expected price range
- Several accessories included
- RV Ready
- Parallel capable
- Inverter
- Quiet for its power (58 dBA)
- Decent weight (84 lbs)
- Decent fuel efficiency
- No electric start
- Relatively low run time
Features and Specifications
| Inverter | Yes |
|---|---|
| Parallel capable | Yes, cable not included |
| RV ready | Yes |
| Fuel | Gasoline |
| Engine | 171 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve |
| Starting system | Recoil |
| Warranty | 3 years |
| Voltage | AC: 120V 60 Hz, DC: 12V |
|---|---|
| Running watts | 3,000 W |
| Starting watts | 3,300 W |
| Running amps | 25 amps |
| Peak amps | 27.5 amps |
| Run time @50% load | Unknown |
| Run time @25% load | 10 h |
| GFCI outlets | No |
|---|---|
| Covered outlets | Yes |
| Automatic Voltage Regulation | Inverter |
| AC outlets |
|
| DC outlets | 1x 12V 8A receptacle 1x 5V USB port |
| Data center | VFT |
| Indicators | Low oil, overload and output ready |
| Fuel tank | 1.8 gal |
| Fuel gauge | No |
| Weight | 84 lbs |
|---|---|
| Approx. dimensions (L x W x H) | 23.2 x 17.8 x 17.9 in |
| Noise (lower limit) | 58 dBA |
| THD | < 3% |
| Compliance | CARB, EPA |
| Security | Low oil and overload protection |
| Spark arrestor | Yes |
| Neutral | Floating |
| Accessories included | Oil, funnel, tool kit, and battery charging cables |
| Country of origin | China |
| Series | Whisper |
| Other model numbers | W3300i |
| UPC | 840876130810 |
We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.
About FIRMAN Power Equipment
Founded in 1999, Firman Power Equipment is a company with a short, but established history in the power equipment industry. Based in Arizona, the company offers an immense range of products, including power tools, automotive equipment, storage utilities, work wear, but most importantly, a wide selection of generators of all sizes, designs and outputs. Interestingly, Firman is a wholly owned subsidiary of the China National Machinery Industry Corporation - a somewhat well renowned company in China and acts as a de facto distributor of their products in the US.
Warranty Information
The Firman W03081 is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Firman generators, please consult Firman's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-844-FIRMAN1 (844-347-6261).
Questions & Answers
What can it power?
| Item | Running Watts | Starting Watts | |
|---|---|---|---|
| At home | Refrigerator (energy star) | 192 | 1192 |
| Hair dryer | 1800 | 1900 | |
| Slow cooker | 270 | 270 | |
| Cell phone charger | 20 | 20 | |
| Total | 2282 W | 3282 W | |
| For camping | Radiant heater | 1300 | 1300 |
| RV refrigerator | 180 | 600 | |
| Toaster oven | 800 | 800 | |
| Radio | 100 | 100 | |
| Total | 2380 W | 2800 W | |
| For work | Grinder | 1400 | 2500 |
| Reciprocating saw | 730 | 960 | |
| Total | 2130 W | 3230 W |
Does it have a fuel filter? (Asked October 05, 2021)
The generator has a fuel filter.
Does the Firman W03081 have a fuel shut-off that will let the carb run dry? (Asked December 28, 2022)
A fuel shut-off switch is located right above the starter rope.
Couldn't find the right answer for you? Ask your own question.



