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Firman H05751 - 5700/7125W Dual Fuel Generator With Electric Start

The Firman H05751 is a portable open frame dual fuel generator with a rated wattage of 5,700 W and a starting wattage of 7,125 W. (Read full specs)

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Price History
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Price history for the Firman H05751
Latest updates:
  • $1,719.18 - July 4, 2024
  • $1,720.18 - July 3, 2024
  • $1,719.18 - July 3, 2024
  • $1,720.18 - July 2, 2024
  • $1,719.18 - July 2, 2024
  • $1,720.18 - July 1, 2024
  • $1,719.18 - July 1, 2024
  • $1,720.18 - June 30, 2024
Data source: ebay.com
Since: April 19, 2024
  • Highest Price: $1,720.18 - April 20, 2024
  • Lowest Price: $1,397.77 - April 19, 2024

Description

The H5751 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 an electric start, for ease of use.

Zoom on the Firman H05751

In summary, the Firman H05751 is a portable generator especially useful for:

  • RV travellers looking for even more independence
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Food truck owners who do not wish to see their business interrupted under any circumstances
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Professionals who want to ensure that a power failure will not prevent them from working

In the forthcoming sections, you'll delve into its power characteristics, the various outlets it offers, its overall portability, and the additional features it boasts.

Power & Run Time

The Firman H05751 in use

The Firman H05751

Featuring dual-fuel technology, the Firman H05751 provides 120/240V, and offers both power and versatility. Running on gasoline, it delivers a running wattage of 5,700W and a starting wattage of 7,125W. When propane-powered, it offers 5,700 running watts and 7,125 starting watts.

With a noise rating of 74 dBA (just slightly more noisy than a dishwasher), the generator features a classic hand-operated recoil starting mechanism, but also a convenient and easy-to-use electric starter (battery included).

The running time of the H05751, with its 8 gallons fuel capacity, can reach around 12 hours at 50% load on a full tank of gasoline (fuel consumption around 0.67 GPH). With propane, it can reach around 5 hours (estimation based on a 20 lbs tank - propane consumption around 0.94 GPH).

As the H05751 has a high THD (<25%), it is not recommended to use it to power sensitive electronic devices.

Outlets

The control panel features the upcoming 6 AC outlets:

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

Despite not meeting the 'RV Ready' criteria, this Firman generator grants the advantage of simple RV compatibility via its L5-30R receptacle, enabling you to conveniently power your RV by using an L5-30P to TT-30R adaptor. Besides, since it boasts a twist-lock L14-30R receptacle, the H05751 is engineered to be transfer switch ready, ensuring easy integration with your breaker box to provide backup power to your home during outages.

Portability

With dimensions of L30.2 x W27.5 x H26.3 in, the standard open frame design of the Firman H05751 provides stability and easy maintenance access to components, as well as good air circulation. The device has been designed for tough environments and demanding outdoor use.

While the generator is considered to be technically 'portable' (in the sense that you can move it), manually lifting and transporting it may be challenging, due to its high weight of 194.5 lbs. 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 H05751

The H05751's control panel

The control panel of the H05751 includes a convenient meter showing you voltage, frequency and lifetime hours, helpful for the monitoring of its status and activity.

The generator allows for a quick, easy and convenient assessment of its gas level, as it is equipped with a built-in fuel gauge.

From a security standpoint, the product offers an automatic low oil shut-off and an overload protection (circuit breaker), allowing you to use it with a peace of mind.

Beyond the standard documentation and an owner's manual (opens in a new tab) to assist with setup, the Firman H05751 ships with supplementary accessories: tool kit, oil, propane hose and funnel.

Product Videos

The Firman H05751 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Firman H05751 compare to dual fuel generators of similar power (between 5500 and 6500 W).

  • Weighing in at 194.5 lbs, the Firman H05751 is one of the heavier dual fuel generators available in the 5500-6500 rated wattage segment. If weight matters to you, one of the champions in this power range is the Pulsar PGDA70BiSCO with only 118 pounds.
  • As this generator can emit noise as low as 74 dBA, it finds itself in the average expected noise for this kind of power. If noise level is one your key decisive factors, you may find the Pulsar PGDA70BiSCO appealing. It's rated at 62 dBA, making it one of the quietest generators in its power range.
  • Compared to dual fuel devices of similar power, the H05751 stands out with one of the highest run times, lasting around 12 hours at 50% load.
  • While run time matters, it's heavily influenced by the fuel tank's capacity. Hence, it's important to consider fuel efficiency alongside. This generator is rather wasteful, compared to other devices within the aforementioned output range, when it comes to gasoline consumption, as it reaches roughly 0.67 GPH at a 50% load. If minimizing fuel usage is one of your key priorities, the DuroMax XP7000iH is one of the most efficient devices with similar power output, with a gasoline consumption of only 0.38 gallons per hour.

Price comparison

As you can see from these interactive charts, when compared to other 5500-6500W dual fuel generators, the Firman H05751 is on the expensive side of the price range.

While certainly not the cheapest of its kind, purchasing it would most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Dual Fuel
  • Several accessories included
  • GFCI Outlets
  • Electric start
  • High run time
AVERAGE SPECS:
  • Acceptable noise (74 dBA)
WEAKNESSES:
  • On the expensive side
  • No remote start
  • On the heavy side (194.5 lbs)
  • Low fuel efficiency

Do you own the Firman H05751 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 readyNo
FuelDual Fuel (gasoline/propane)
Engine439 cc Firman Max-Pro Series OHV 4-stroke
Starting systemRecoil, Electric
Warranty3 years
VoltageAC: 120/240V 60 Hz
Power
GasolinePropane
Running watts5,700 W5,700 W
Starting watts7,125 W7,125 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
IndicatorsNo
Fuel tankSteel, 8 gal
Fuel gaugeYes
Misc
Weight194.5 lbs
Approx. dimensions (L x W x H)30.2 x 27.5 x 26.3 in
Noise (lower limit)74 dBA
THD< 25%
ComplianceCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, funnel, tool kit, propane hose, battery, and wheel kit
Country of originChina
SeriesHybrid
UPC840876157510

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 H05751 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 sizer.
ItemRunning WattsStarting Watts
At homeElectric fry pan15001500
AC (10,000 BTU)15002200
Dish washer15003000
Set of 5 LED light bulbs5555
Total4555 W6055 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Microwave (1000 watts)15001500
Set of 5 LED light bulbs5555
Total4545 W5135 W
For workTable saw18004500
Grinder14002500
Disc sander12001200
Total4400 W7100 W

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