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Firman H05752 Spec Review

The Firman H05752 is a portable open frame dual fuel generator with a rated wattage of 5700 W and a starting wattage of 7125 W.

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Description

The H5752 Dual fuel generator can run on both Gas and Liquid Propane fuel, giving you flexibility during a storm, or when you’re out camping. This generator 7100 starting Watts and 5700 running watts for both gasoline and LP with a reliable recoil start system. (source: Firman (opens in a new tab))

Zoom on the Firman H05752

In summary, the Firman H05752 is a portable generator especially useful for:

  • RV travellers wishing to enhance their freedom and nomad lifestyle
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • Food truck owners who want to ensure that their business is fully self-contained and does not rely on potentially unreliable external power
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Professionals who want to be able to deliver results, even during a power failure

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 H05752 in use

The Firman H05752

With its dual-fuel technology, the powerful and versatile Firman H05752 provides an output of 120/240V. While gasoline-powered, it gives a running wattage of 5700W along with a peak wattage of 7125W. While propane-powered, it provides 5700 rated watts and 7125 starting watts.

The generator is rated for a noise of 74 dBA (just slightly more noisy than a dishwasher). Its starting mechanism is based on a conventional pull-start mechanism.

As for its running time, the H05752, along with its 8 gallons fuel capacity, can run for around 12 hours at 50% load with a full tank filled with gasoline (fuel consumption around 0.67 GPH). If propane is used, it can operate for around 5 hours (estimation based on a 20 lbs tank - propane consumption around 0.94 GPH).

Since the H05752 has a somewhat high THD (<25%), it is advisable to not use it for the powering of sensitive electronic devices.

Outlets

The control panel features the following 6 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle
120/240V 30A (L14-30R) receptacle

Even if this Firman generator isn't quite RV Ready, it still allows for an easy RV connection via an L5-30P to TT-30R adaptor, thanks to its L5-30R receptacle. Besides, since the H05752 bears a twist-lock L14-30R receptacle, it is transfer switch ready: it is easily connectible to a breaker box and can power your home in case of a power outage.

Portability

The dimensions of the Firman H05752, which are L30.2 x W27.5 x H26.3 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. This type of design is ideal for tough environments and heavy outdoor use.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 176.5 lbs make it incredibly difficult to manually lift and transport. Nevertheless, it can still be moved quite conveniently with the help of its wheel kit (⌀10") and its folding handle, once it is placed on the ground.

Features

Panel of the Firman H05752

The H05752's control panel

The control panel of the H05752 includes a convenient meter showing you voltage, frequency and lifetime hours, helpful for the monitoring of its status and activity.

In addition to this info, a light indicator serves to show you when 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 standpoint, the product offers an overload protection (circuit breaker) and an automatic low oil shut-off, allowing you to use it with a peace of mind.

Besides the classic documentation and an owner's manual (opens in a new tab) to get you promptly started, the Firman H05752 also comes with some accessories: oil, propane hose, funnel and tool kit are included.

Emissions

The Firman H05752 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

The Firman H05752 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman H05752 compare to generators of similar power (between 5500 and 6500 W).

  • As its weight is 176.5 pounds, the Firman H05752 falls in the expected weight range of the devices in the 5500-6500 rated wattage category. If weight matters to you, one of the champions in this power range is the Pulsar G65BN with only 126 pounds.
  • The generator can be considered average in its noise for its power category, as it is rated at 74 dBA. If noise emissions are one of your priorities, you may be interested in the Honda EU7000iS, one of the least noisy generators similarly powerful as this one, rated for 52 dBA.
  • As the H05752 offers around 12 hours run time on a full tank at a 50% load, it falls within the average autonomy range among the generators of a similar power. 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 Cat RP5500, with around 15 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 generator is not fuel efficient compared to devices of similar output: its estimated fuel consumption stands at 0.67 GPH at a 50% load. If you wish to acquire one of the most gasoline efficient products of this power range, the Lifan ESI 7000iER-EFI, with a fuel consumption of 0.38 GPH could be in your good books.

Price comparison

As you can see from this interactive chart, when compared to other 5500-6500W generators, the Firman H05752 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
  • GFCI Outlets
  • Dual Fuel
AVERAGE SPECS:
  • Decent weight (176.5 lbs)
  • Acceptable noise (74 dBA)
  • Decent run time
WEAKNESSES:
  • No electric start
  • Low fuel efficiency

Do you own the Firman H05752 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelDual Fuel (gasoline/propane)
Engine439 cc Firman Max-Pro Series OHV 4-stroke
Starting systemRecoil
VoltageAC: 120/240V 60 Hz
Power
 GasolinePropane
Running watts5700 W5700 W
Starting watts7125 W7125 W
Running amps (@120/240V)47.5/23.8 amps47.5/23.8 amps
Peak amps (@120/240V)59.4/29.7 amps59.4/29.7 amps
Run time @50% load12 h5 h *
Run time @25% loadUnknownUnknown
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
  • 1x 120/240V 30A (L14-30R)
DC outletsNo
Data centerVFT
IndicatorsLow oil
Fuel tankSteel, 8 gal
Fuel gaugeYes
Misc
Weight176.5 lbs
Approx. dimensions (L x W x H)30.2 x 27.5 x 26.3 in
Noise (lower limit)74 dBA
THD< 25%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, funnel, tool kit, propane hose, and wheel kit
Warranty3 years
SeriesHybrid

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.
* Propane runtime is our own estimation, based on a 20 lbs tank and NIST 1994 GGE (Gasoline Gallon Equivalent) formula: 5.66 lbs of propane = 1 gal of gasoline.

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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 H05752 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 homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Electric range21002100
Slow cooker270270
Set of 5 LED light bulbs5555
Total4542 W6017 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
RV AC (11,000 BTU)10101600
Satelite receiver250250
Total4540 W5130 W
For workTable saw18004500
Grinder14002500
Pressure washer (1 hp)12003600
Total4400 W7100 W

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