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Firman P03608 - 3650/4550W Portable Generator With Remote Start

The Firman P03608 is a portable 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

The P03608 is a standard open frame portable generator. With an ergonomic handle and never-flat wheels, this generator is easy to transport for those weekend camping getaways or portable backup power. It features 4550 starting watts and 3650 running watts, with a recoil, electric and remote start system for ease of use. (source: Firman (opens in a new tab))

Zoom on the Firman P03608

In summary, the Firman P03608 is a portable generator especially useful for:

  • RV travellers who wish to upgrade their experience to another level
  • People occasionally participating in outdoor fairs, festivals or events
  • Homeowners in need of an emergency backup power for their essentials

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

Power & Run Time

The Firman P03608 in use

The Firman P03608

With a 208 cc Firman Max-Pro Series OHV 4-stroke engine, the Firman P03608 operates on gasoline, providing 120V, with a running wattage of 3,650W and a starting wattage of 4,550W.

Enjoying a noise rating of 67 dBA (less noisy than an office), this generator can be started thanks to a standard recoil pull-rope starting mechanism, but also to a no-fuss and convenient electric starter (battery included). For added user convenience, the P03608 is equipped with remote starting capabilities (key fob included).

The P03608's fuel tank, boasting 5 gallons, allows it to operate for around 14 hours at 50% load with a full tank (with an estimated fuel consumption of 0.36 GPH).

Since the P03608 has a high THD (<25%), it is advisable to not use it for the powering of sensitive electronic devices.

Outlets

The control panel provides the upcoming 4 AC outlets:

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.

Portability

With a size of L24.8 x W21.7 x H21.7 in, the Firman P03608 features an open frame design, providing stability and simplified maintenance access to components, enhancing air circulation. The design is ideal for rough environments and demanding outdoor use.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 119.5 lbs make it incredibly difficult to manually lift and transport. However, the limited maneuverability is remedied with its wheel kit (⌀8") and its folding handle, facilitating convenient shifting once the generator is positioned on the ground.

Features

Panel of the Firman P03608

The P03608's control panel

The control panel of the P03608 includes a convenient meter, providing voltage, frequency, and lifetime hours data, helpful for the monitoring of its status and activity.

In addition to this info, when its oil levels are insufficient, you will be informed by the featured light indicator.

The built-in fuel gauge of the generator ensures simple and quick gas level assessments.

Regarding security, the generator comes with an overload protection (circuit breaker) and an automatic low oil shut-off, providing peace of mind during operation.

Beyond the standard documentation and an owner's manual (opens in a new tab) to assist with setup, the Firman P03608 ships with supplementary accessories: oil, tool kit, funnel and key fob.

Product Videos

The Firman P03608 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman P03608 compare to generators of similar power (between 3500 and 4500 W).

  • With a dry weight of 119.5 lbs, the Firman P03608 sits comfortably within the expected weight range for devices generating 3500 to 4500 rated watts. if you wish to prioritize weight, the Genmax GM4600iAEFIC is one of the top contenders in its power category, weighing only 58.4 pounds.
  • The generator can be considered average in its noise for its power category, as it is rated at 67 dBA. If noise emissions are one of your priorities, you may want to take a look at the Westinghouse iGen4500DF. It's one of the quietest options among generators of similar power, rated at 52 dBA.
  • In terms of run time, the P03608 surpasses similarly powerful devices, boasting one of the higher run times at around 14 hours. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Predator 4375, boasting with around 16 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. This generator reaches an estimated fuel consumption of 0.36 GPH (gallon per hour) at a 50% load, making it average, for the previously mentioned wattage range. If you wish to acquire one of the most gasoline efficient products of this power range, the Westinghouse iGen4500DF, with a fuel consumption of 0.23 GPH could be in your good books.

Price comparison

As you can see from these interactive charts, when compared to other 3500-4500W generators, the Firman P03608 is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget generator.

The bottom line

STRENGTHS:
  • Inexpensive
  • Several accessories included
  • RV Ready
  • Remote start
  • High run time
AVERAGE SPECS:
  • Decent weight (119.5 lbs)
  • Acceptable noise (67 dBA)
  • Decent fuel efficiency
WEAKNESSES:

The Firman P03608 doesn't have any notably low specs.

Do you own the Firman P03608 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, Electric, Remote
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
Weight119.5 lbs
Approx. dimensions (L x W x H)24.8 x 21.7 x 21.7 in
Noise (lower limit)67 dBA
THD< 25%
ComplianceCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, funnel, tool kit, key fob, battery, and wheel kit
Country of originChina
SeriesPerformance
UPC840876136089

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.

Spec Improvement×

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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 P03608 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 sizing calculator.
ItemRunning WattsStarting Watts
At homeDish washer15003000
Refrigerator (energy star)1921192
Vacuum cleaner10751175
Radio100100
Pair of small speakers4545
Total2912 W4412 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
Duplex 120v/20a outlets - does that mean 20a total from both or total 40a possible? (Asked September 25, 2020)

20A total from the duplex outlets

Wath is the oil capacity of a firman 3650 (Asked September 18, 2021)

Engine oil capacity is 20.3 fl.oz.

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