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Firman H08051 Spec Review

The Firman H08051 is a portable open frame dual fuel generator with a rated wattage of 8000 W and a starting wattage of 10000 W.

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Set an alert for the Firman H08051 - Current lowest price: $1,137.55
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$1,137.55
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$1,199.99
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Price History
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Price history for the Firman H08051
Latest updates:
  • $1,137.55 - March 10, 2021
  • $1,092.55 - March 3, 2021
Data source: homedepot.com
Since: March 3, 2021
  • Highest Price: $1,137.55 - March 10, 2021
  • Lowest Price: $1,092.55 - March 3, 2021

Description

The H08051 Dual fuel generator can run on both Gas and Liquid Propane fuel, giving you flexibility during a storm, or when you’re on the job. This generator 10,000 starting watts and 8,000 running watts (9050/7250 LPG) with an electric start, for ease of use. (source: Firman (opens in a new tab))

Zoom on the Firman H08051

In a nutshell, the Firman H08051 is a portable generator mostly geared towards:

  • Food truck owners who do not wish to see their business interrupted under any circumstances
  • Professionals who want to be able to deliver results, even during a power failure

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from, and any relevant emission compliance details.

Power & Run Time

The Firman H08051 in use

The Firman H08051

The dual-fuel technology of the Firman H08051 allows for an output of 120/240V and provides superb power and versatility. If gasoline-powered, the device provides a running wattage of 8000W and a starting wattage of 10000W. If propane-powered, it gives 7250 rated watts and 9050 starting watts.

At a noise rating of 74 dBA (just slightly more noisy than a shower), this generator can be started via a simple traditional pull-start mechanism, or a convenient and easy-to-use electric starter (battery included).

The H08051, with a fuel capacity of 8 gallons, reaches a run time of around 12 hours at 50% load utilizing gasoline (fuel consumption around 0.67 GPH). Alternatively, it can reach a run time of around 5 hours (estimation based on a 20 lbs tank - propane consumption around 0.94 GPH) with propane.

As the H08051 has a relatively high THD (<25%), it is not recommended to use it to power sensitive electronic devices.

Outlets

The control panel provides the upcoming 5 AC outlets:

Duplex 120V 20A (5-20R) GFCI
120V 30A (L5-30R) receptacle
120/240V 30A (L14-30R) receptacle
120/240V 50A (14-50R) 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 H08051 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

With its dimensions of L30.2 x W27.5 x H26.3 in, the conventional, open frame design of the Firman H08051 offers stability and allows the generator to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.

As the generator's weight is 212 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable). However, its challenging mobility is solved by its wheel kit (⌀10") and its folding handle, which will ease its displacement, once it is on the floor.

Features

Panel of the Firman H08051

The H08051's control panel

The control panel of the H08051 includes a convenient meter, which displays voltage, frequency and lifetime hours, helpful for the monitoring of its status and activity.

The fuel level of the generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.

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 (opens in a new tab), which lets you start it right away, the Firman H08051 also is packed along with the following accessories: tool kit, propane hose, funnel and oil.

Emissions

The Firman H08051 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 and therefore, can be used in forested areas.

Product Videos

The Firman H08051 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman H08051 compare to generators of similar power (between 7500 and 8500 W).

  • As its weight is 212 pounds, the Firman H08051 falls in the expected weight range of the devices in the 7500-8500 rated wattage category. If you are concerned by weight, one of the champions in the above-mentioned power range is the Dewalt DXGNR8000, with a dry weight of just 183 pounds.
  • Since the generator's noise is rated at 74 dBA, it has the roughly average expected noise for a device of similar power. If you are concerned with noise, check out the Predator 9500, which is one of the least noisy generators in its power range, with a noise rating of just 67 dBA.
  • The H08051 provides a higher run time than similarly powerful devices, reaching around 12 hours at 50% load. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Champion 100416, boasting with around 12.5 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 is one of the more fuel efficient models of the aforementioned output range, as its estimated fuel consumption reaches just 0.67 GPH (gallon per hour) at 50% load. If fuel consumption is your top priority, we suggest to check out the Pulsar PG10000B16, which has a fuel consumption of only 0.55 GPH and thus, is one of the most efficient devices in our database.

Price comparison

As you can see from this interactive chart, when compared to other 7500-8500W generators, the Firman H08051 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
  • GFCI Outlets
  • Electric start
  • Dual Fuel
  • High run time
  • Fuel efficient
AVERAGE SPECS:
  • Decent weight (212 lbs)
  • Acceptable noise (74 dBA)
WEAKNESSES:
  • No remote start

Do you own the Firman H08051 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, Electric
VoltageAC: 120/240V 60 Hz
Power
 GasolinePropane
Running watts8000 W7250 W
Starting watts10000 W9050 W
Running amps (@120/240V)66.7/33.3 amps60.4/30.2 amps
Peak amps (@120/240V)83.3/41.7 amps75.4/37.7 amps
Run time @50% load12 h5 h *
Run time @25% loadUnknownUnknown
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 1x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
  • 1x 120/240V 30A (L14-30R)
  • 1x 120/240V 50A (14-50R)
DC outletsNo
Data centerVFT
IndicatorsNo
Fuel tankSteel, 8 gal
Fuel gaugeYes
Misc
Weight212 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, battery, 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 H08051 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 homeAC (10,000 BTU)15002200
Electric fry pan15001500
Dish washer15003000
Microwave (1000 watts)15001500
Refrigerator (energy star)1921192
Mixer200200
Total6392 W7892 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Microwave (1000 watts)15001500
Satelite receiver250250
Total6390 W6980 W
For workTable saw18004500
Air compressor (1 hp)16006100
Grinder14002500
Drill600900
Bug zapper8080
Total5480 W9980 W
What makes this generator not RV ready? And what would have to be done to make it RV ready? (Asked December 22, 2020)

The unit does not feature a TT-30R outlet. Feel free to refer to our definition of RV-ready.

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