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Firman P03601 - 3650/4550W Portable Generator

The Firman P03601 is a compact open frame generator with a rated wattage of 3,650 W and a starting wattage of 4,550 W. (Read full specs)

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Description

Easy to use, the P03601 portable generator further proves that quality is key. Best used for camping, work-site, emergency power.

Zoom on the Firman P03601

In summary, the Firman P03601 is a compact portable generator especially useful for:

  • RV travellers looking for even more independence
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures

The subsequent sections will explore in detail its power characteristics, the diverse outlets it provides, its overall portability, and the supplementary features it offers.

Power & Run Time

The Firman P03601 in use

The Firman P03601

The Firman P03601 is powered by a 208 cc Firman Max-Pro Series OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 3,650W as well as a peak wattage of 4,550W.

Operating with a noise level of 67 dBA (less noisy than a normal conversation), the generator starts up via a classic hand-operated recoil starting mechanism.

Featuring a 5 gallons fuel tank, the P03601 guarantees continuous power for around 14 hours at 50% load on a full tank (fuel consumption around 0.36 GPH).

Since the P03601 has a high THD (<25%), it is advisable to not use it for the powering of sensitive electronic devices.

Outlets

The control panel features 4 AC outlets as follows:

Duplex 120V 20A (5-20R)
120V 30A (TT-30R) receptacle
120V 30A (L5-30R) receptacle

Thanks to its TT-30R receptacle (TT stands for 'Travel Trailer'), this Firman generator is RV Ready, making it ideal for powering recreational vehicles.

Portability

With dimensions of L23.2 x W17.8 x H18.6 in, the standard open frame design of the Firman P03601 provides stability and easy maintenance access to components, as well as good air circulation. The design is ideal for rough environments and demanding outdoor use.

Though weighing 101.5 lbs, the generator remains classified as 'portable,' indicating its capability to be moved, though its weight could pose transport challenges. Opting for the official wheel kit (opens in a new tab) as an additional purchase can greatly enhance the generator's mobility.

Features

Panel of the Firman P03601

The P03601's control panel

The P03601's control center features a convenient meter showing you voltage, frequency and lifetime hours to aid you with the monitoring of its status and activity.

In addition to this info, a light indicator on the device will signal if the oil level is too low.

The generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.

From a security point of view, the generator is equipped with an overload protection (circuit breaker) and an automatic low oil shut-off, giving you a peace of mind during use.

Along the basic documentation and an owner's manual (opens in a new tab), useful for starting the generator right away, the Firman P03601's package also includes these accessories: tool kit, funnel and oil. An official storage cover is also available, as a separate purchase.

Product Video

The Firman P03601 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman P03601 compare to generators of similar power (between 3500 and 4500 W).

  • As its weight is 101.5 pounds, the Firman P03601 falls in the expected weight range of the devices in the 3500-4500 rated wattage category. If you are concerned by weight, one of the champions in the above-mentioned power range is the Genmax GM4600iAEFIC, with a dry weight of just 58.4 pounds.
  • Since the generator's noise is rated at 67 dBA, it has the roughly average expected noise for a device of similar power. If you’d prefer a less noisy device, one of the most quiet devices, which share the same power range with this one, is the Westinghouse iGen4500DF, whose lowest noise levels reach just 52 dBA.
  • With around 14 hours of runtime at 50% load, the P03601 provides a higher run time when compared to similarly powerful products. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Predator 4375, with around 16 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. This generator has an average fuel consumption among comparably powerful devices, as it reaches 0.36 GPH (gallon per hour) at a 50% load. If you wish to get a unit of similar power, but with one of the best fuel efficiency, you could consider the Westinghouse iGen4500DF, which has an impressively low fuel consumption of 0.23 GPH.
According to our stats, the following comparison is pretty popular: Firman P03601 vs Firman P03602.

Price comparison

As you can see from these interactive charts, when compared to other 3500-4500W generators, the Firman P03601 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
  • High run time
AVERAGE SPECS:
  • Decent weight (101.5 lbs)
  • Acceptable noise (67 dBA)
  • Decent fuel efficiency
WEAKNESSES:
  • No electric start

Do you own the Firman P03601 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
Parallel capableNo
RV readyYes
FuelGasoline
Engine208 cc Firman Max-Pro Series OHV 4-stroke
Starting systemRecoil
Warranty3 years
Power
VoltageAC: 120V 60 Hz
Running watts3,650 W
Starting watts4,550 W
Running amps30.4 amps
Peak amps37.9 amps
Run time @50% load14 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
  • 1x 120V 30A (L5-30R)
DC outletsNo
Data centerVFT
IndicatorsLow oil
Fuel tankSteel, 5 gal
Fuel gaugeYes
Misc
Weight101.5 lbs
Approx. dimensions (L x W x H)23.2 x 17.8 x 18.6 in
Noise (lower limit)67 dBA
THD< 25%
ComplianceEPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, funnel, and tool kit
Country of originChina
SeriesPerformance
UPC840876136010

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.

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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 P03601 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 wattage calculator.
ItemRunning WattsStarting Watts
At homeMicrowave (1000 watts)15001500
Refrigerator (energy star)1921192
Vacuum cleaner10751175
Radio100100
Pair of small speakers4545
Total2912 W3912 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Electric grill16501650
Set of 5 LED light bulbs5555
Total2895 W3485 W
For workTable saw18004500
Total1800 W4500 W

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