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Firman W01781 Spec Review

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The Firman W01781 is a quiet, compact and lightweight portable inverter generator with a rated wattage of 1700 W and a starting wattage of 2100 W.

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Description

The FIRMAN W01781 Inverter generator features 2100 starting watts and 1700 running watts. Power is supplied by our Max Pro Series 80cc FIRMAN engine which runs cool and efficient thanks to its Phoenix Fat Head Block. Our Whisper Series muffler keeps the W01781 running a quiet 59 decibels – well below the standards set by the National Parks Service, and our spark arrester has been approved by the USDA Forest Service. The .9 gallon fuel capacity provides a whopping 9 hours of run time. Starting is simple with the FIRMAN First pull, reliable recoil system. (source: Firman)

Zoom on the Firman W01781

In summary, the Firman W01781 is a quiet, compact and lightweight portable inverter generator especially useful for:

  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go
  • Handcrafting enthusiasts who wish to work on-the-go

In the sections ahead, the power characteristics, availability of various outlets, the portability and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The Firman W01781 in use

The Firman W01781

The Firman W01781's engine, 80 cc Firman Max-Pro Series OHV 4-stroke, fueled by gasoline, can deliver 120V. It provides a running wattage of 1700W and reaches a peak wattage of 2100W. Moreover, since it is parallel capable (Firman parallel kit not included), its power may be doubled if linked to a second compatible unit.

At a noise rating of 59 dBA (less noisy than a quiet suburb), the inverter generator offers the possibility to start the device via a simple traditional pull-start mechanism.

The W01781 can operate for up to 9 hours with a full tank (fuel consumption around 0.1 GPH), due to its fuel capacity of 0.9 gallon.

The W01781 produces a clean sine wave: thanks to a <3% Total Harmonic Disruption (THD), your sensitive electronics can be safely plugged in the AC outlets.

Several examples of what the generator may allow you to power simultaneously are:Note: The above mentioned examples presume a maximum load of 75% and use wattage estimates. In addition, the items might not be able to start simultaneously. With our wattage calculator, you can predict if the product can fulfill your requirements.

Outlets

The control panel features the following 2 AC outlets:

Duplex 120V 20A (5-20R)

It also sports 2 DC outlets: there's a 5V USB port allowing you to conveniently charge electronics such as mobile phones and tablets and a 12V 5A (cigarette lighter style) receptacle with which charging your batteries is made easy.

Portability

As the Firman W01781 is an inverter generator, its encased design (L20 x W12.1 x H16.7 in) offers more esthetics than a conventional, open frame product. The featured design follows the latest trends and is ideal for easy and recreational use.

With the weight of only 45.9 lbs, the W01781 may be viewed as a lightweight and portable generator. The device can be easily moved by just one person and thus, its power may be enjoyed on-the-go. It can also be carried without effort with a featured handle (molded in the case), further improving its convenience.

Features

Panel of the Firman W01781

The W01781's control panel

The light indicators show you if the generator is ready, the generator is overloaded and its oil levels are insufficient.

As far as security is concerned, the generator can be used with a peace of mind, as it features an automatic low oil shut-off.

While the standard documentation and a user manual, helpful for starting the device promptly, come with the Firman W01781, the following accessories are also included: funnel, oil, battery charging cables and tool kit.

Emissions

The Firman W01781 is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.

Moreover, it features a spark arrestor, making it usable in forested areas.

Product Video

Video of the Firman W01781

The Firman W01781 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman W01781 compare to generators of similar power (between 1500 and 2500 W).

  • As far as its dry weight is concerned, the Firman W01781 weighs just 45.9 pounds and thus, it is one of the lighter 1500 to 2500 rated wattage generators. Regarding dry weight, one of the champions in the same power range is the WEN 56202i, with a dry weight of only 38.6 lbs.
  • This inverter generator, with its lowest possible noise rated at 59 dBA falls into the more noisy category, compared to other devise of a similar running wattage. If noise emissions are important to you, one of the least noisy generators of this power range is the Honda EU2200i with only 48 dBA.
  • Autonomy-wise, with 9 hours on a full tank at a 25% load, the W01781 is on the low end when compared to other generators of a similar power output. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Westinghouse WGen2000, as it provides 26 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank’s capacity and thus, doesn’t say much on its own unless we consider fuel consumption as well. This inverter generator, with an estimated fuel consumption of just 0.1 GPH (gallon per hour) at 25% load, is one of the more fuel efficient generators, for the previously mentioned wattage range. If you wish to further improve in the area of fuel efficiency, the Energizer eZV2000P, which boasts with a gas consumption of only 0.08 GPH, may be the right generator for you.

Price comparison

As you can see from this dynamic chart, when compared to other 1500-2500W generators, the Firman W01781 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

STRENGTHS:
  • In the expected price range
  • Several accessories included
  • Parallel capable
  • Inverter
  • Lightweight (45.9 lbs)
  • Fuel efficient
AVERAGE SPECS:
  • Quiet, but noisy for its type (59 dBA)
WEAKNESSES:
  • No data center
  • No electric start
  • Relatively low run time

Do you own the Firman W01781 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Where to buy the Firman W01781?

You can easily buy your Firman generator online. You will benefit from a convenient delivery and avoid carrying the heavy package yourself. Here are a few reliable online sellers:
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Features and Specifications

General

InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyNo
FuelGasoline
Engine80 cc Firman Max-Pro Series OHV 4-stroke
Starting systemRecoil

Power

VoltageAC: 120V 60 Hz, DC: 12V
Running watts1700 W
Starting watts2100 W
Running amps14.2 amps
Peaks amps17.5 amps
Run time @50% load4.25 h
Run time @25% load9 h

Features

GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationNo
AC outlets1x Duplex 120V 20A (5-20R)
DC outlets1x 5V USB port
1x 12V 5A (cigarette lighter style)
Data centerNo
IndicatorsLow oil, output ready and overload
Fuel tankPlastic, 0.9 gal
Fuel gaugeNo

Misc

Weight45.9 lbs
Dimensions (L x W x H)20 x 12.1 x 16.7 in
Noise (lower limit)59 dBA
THD< 3%
EmissionsCARB, EPA
SecurityLow oil protection
Spark arrestorYes
NeutralFloating
Accessories includedOil, tool kit, funnel and battery charging cables
Warranty3 years

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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 W01781 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. Alternatively, you can also contact their Customer Support: 1-844-FIRMAN1 (844-347-6261).

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