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Firman W03383 Spec Review

The Firman W03383 is a quiet and compact portable inverter generator with a rated wattage of 3300 W and a starting wattage of 3650 W.

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Picture 1 of the Firman W03383
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Description

Quiet and fuel-efficient, the W03383 inverter portable generator, provides clean power for electronics and sensitive equipment. Best used for camping and tailgating. (source: Firman (opens in a new tab))

Zoom on the Firman W03383

In a nutshell, the Firman W03383 is a quiet and compact portable inverter generator mostly geared towards:

  • RV travellers looking for even more independence
  • People occasionally participating in outdoor fairs, festivals or events
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Camping and tailgating hobbyists looking for a portable power source

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 W03383 in use

The Firman W03383

The Firman W03383 houses a 193 cc Firman Max-Pro Series OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 3300W along with a peak wattage of 3650W. Additionally, as the generator is parallel capable (Firman parallel kit (opens in a new tab) not included), it can be linked to a second unit for more power.

The inverter generator is rated for a noise of 58 dBA (less noisy than a conversation at home). Its starting mechanisms include a simple traditional pull-start mechanism and a convenient and easy-to-use electric starter (battery included). For additional convenience, the W03383 may also be remotely started (key fob included).

The fuel capacity of 1.8 gallon allows the W03383 to operate for up to 9 hours with a full tank (fuel consumption around 0.2 GPH).

The W03383 generates a clean sine wave: providing <3% Total Harmonic Disruption (THD), delicate electronics can be plugged in its AC outlets safely.

Outlets

The control panel includes the following 3 AC outlets:

Duplex 120V 20A (5-20R)
120V 30A (TT-30R) receptacle

It also sports 2 DC outlets: there's a 12V 8A receptacle with which you may charge your batteries with ease and a 5V USB port allowing you to conveniently charge electronics such as mobile phones and tablets.

Thanks to its TT-30R receptacle (TT stands for 'Travel Trailer'), this Firman generator is RV Ready.

Portability

Since the Firman W03383 is an inverter generator, its closed design (L23.2 x W17.8 x H17.9 in) has an esthetical advantage over conventional, open frame devices. This modern design aims to provide an ideal power solution to recreational users.

As the W03383's weight is only 93 lbs, it can follow you and your power needs anywhere. Additionally, it can be easily moved with the help of its wheel kit (⌀5") and its folding handle, once it is on the ground.

Features

Panel of the Firman W03383

The W03383's control panel

The control panel of the W03383 includes a convenient meter, which displays voltage, frequency and lifetime hours, helpful for the monitoring of its status and activity.

In addition to this info, when the generator is ready, the oil level is too low and the generator is overloaded, you will be informed by the featured light indicators.

Security-wise, this product benefits from an automatic low oil shut-off and an overload protection (circuit breaker), which gives you a complete peace of mind when using it.

Apart from the typical documentation and an owner's manual, which lets you start it right away, the Firman W03383 also is packed along with the following accessories: funnel, oil, tool kit, battery charging cables, key fob and battery charger.

Emissions

The Firman W03383 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, so it is adequate for use in forested areas.

Product Video

The Firman W03383 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman W03383 compare to generators of similar power (between 2500 and 3500 W).

  • Weight-wise, the Firman W03383 has only 93 lbs, which renders it one of the lighter generators which produce 2500 to 3500 rated watts. If you are concerned by weight, one of the champions in the above mentioned power range is the WEN GN400i, with a dry weight of just 66.1 pounds.
  • With a lowest noise rating of 58 dBA, the inverter generator is one of the more quiet of the generators of similar power. For those who are looking for a less noisy device, we suggest the Honda EU3000iS. With just 50 dBA, it is one of the most quiet devices in this power range.
  • As far as autonomy is concerned, providing up to 9 hours of runtime with a full tank at a 25% load, the W03383 falls into the low end in comparison with other devices of a comparable power output. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Honda EU3000iS, reaching up to 20 hours.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. Standing at an estimated 0.2 GPH (gallon per hour) at a 25% load, this inverter generator is somewhat average in this area compared to other devices, within the aforementioned wattage range. If you wish to acquire one of the most gasoline efficient products of this power range, the Energizer eZV3200P, with a fuel consumption of 0.13 GPH could be in your good books.

Price comparison

As you can see from this interactive chart, when compared to other 2500-3500W generators, the Firman W03383 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
  • RV Ready
  • Remote start
  • Parallel capable
  • Inverter
  • Lightweight for its kind (93 lbs)
  • Quiet for its power (58 dBA)
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • Relatively low run time

Do you own the Firman W03383 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyYes
FuelGasoline
Engine193 cc Firman Max-Pro Series OHV 4-stroke
Starting systemRecoil, Electric, Remote
Power
VoltageAC: 120V 60 Hz, DC: 12V
Running watts3300 W
Starting watts3650 W
Running amps27.5 amps
Peaks amps30.4 amps
Run time @50% loadN/A
Run time @25% load9 h
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
DC outlets1x 12V 8A receptacle
1x 5V USB port
Data centerVFT
IndicatorsLow oil, overload and output ready
Fuel tankSteel, 1.8 gal
Fuel gaugeNo
Misc
Weight93 lbs
Approx. dimensions (L x W x H)23.2 x 17.8 x 17.9 in
Noise (lower limit)58 dBA
THD< 3%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedOil, funnel, tool kit, key fob, battery charger, battery charging cables and battery
Warranty3 years
SeriesWhisper

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 W03383 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?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator size calculator.
ItemRunning WattsStarting Watts
At homeMicrowave (1000 watts)15001500
Refrigerator (energy star)1921192
Washing machine9001650
Pair of small speakers4545
Total2637 W3637 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Radiant heater13001300
Radio100100
Pair of small speakers4545
Total2635 W3225 W
For workGrinder14002500
Milk cooler11001800
Total2500 W3600 W

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