Zoom on the Firman P08004
In a nutshell, the Firman P08004 is a portable generator mostly geared towards food truck owners who want to ensure that their business is fully self-contained and does not rely on potentially unreliable external power.
Power & Run Time
The Firman P08004 is powered by a 439 cc Firman Max-Pro Series OHV 4-stroke engine. It delivers 120/240V, runs on gasoline and offers a running wattage of 8000W as well as a peak wattage of 10000W.
At a noise rating of 74 dBA (just slightly more noisy than a dishwasher), this generator can be started via a conventional pull-start mechanism, or a simple and elegant electric starter (battery included). For additional convenience, the P08004 may also be remotely started (key fob included).
The P08004 can operate for around 12 hours at 50% load with a full tank (fuel consumption around 0.67 GPH), due to its fuel capacity of 8 gallons.
As the P08004 has a relatively high THD (<25%), it is not recommended to use it to power sensitive electronic devices.
The control panel provides the upcoming 5 AC outlets:
While this Firman generator is not RV Ready, its L5-30R receptacle can be used for a simple RV connection with an L5-30P to TT-30R adaptor. Besides, as it features a twist-lock L14-30R receptacle, the P08004 is transfer switch ready: in case of a power outage, you will be easily able to connect it to a breaker box and power your household.
The design of the Firman P08004 is a typical, open frame, with the dimensions of L28.4 x W27.9 x H26.8 in, offering support and stability and enabling the possibility of raising it above ground level. The generator is designed for ideal use outdoors and in rough environments.
As the generator's weight is 210.3 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.
The P08004'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 serves to show you when its oil levels are insufficient.
Thanks to a built-in fuel gauge, the generator allows you to quickly, conveniently and easily check the gas level at a glance.
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.
While the standard documentation and an owner's manual (opens in a new tab), helpful for starting the device promptly, come with the Firman P08004, the following accessories are also included: tool kit, key fob, funnel and oil.
The Firman P08004 is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.
However, it features a spark arrestor, making it usable in forested areas.
The Firman P08004 versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Firman P08004 compare to generators of similar power (between 7500 and 8500 W).
- Having a dry weight of 210.3 lbs, the Firman P08004 belongs in the expected weight range for generators which produce 7500 to 8500 rated watts. If weight matters to you, one of the champions in this power range is the Lifan LF8750iEPL with only 185 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. For those who are looking for a less noisy device, we suggest the Powermate DF7500E. With just 68 dBA, it is one of the most quiet devices in this power range.
- As the P08004 features an autonomy of around 12 hours at 50% load, it has one of the highest run times in comparison to the other generators of its power range.
- 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, with an estimated fuel consumption of just 0.67 GPH (gallon per hour) at 50% load, is one of the more fuel efficient generators, for the previously mentioned wattage range. If you wish to further improve in the area of fuel efficiency, the Pulsar PG10000B16, which boasts with a gas consumption of only 0.55 GPH, may be the right generator for you.
As you can see from this interactive chart, when compared to other 7500-8500W generators, the Firman P08004 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
- In the expected price range
- Several accessories included
- Remote start
- High run time
- Fuel efficient
- Decent weight (210.3 lbs)
- Acceptable noise (74 dBA)
- Not CARB-compliant
Features and Specifications
|Engine||439 cc Firman Max-Pro Series OHV 4-stroke|
|Starting system||Recoil, Electric, Remote|
|Voltage||AC: 120/240V 60 Hz|
|Running watts||8000 W|
|Starting watts||10000 W|
|Running amps (@120/240V)||66.7/33.3 amps|
|Peaks amps (@120/240V)||83.3/41.7 amps|
|Run time @50% load||12 h|
|Run time @25% load||N/A|
|Automatic Voltage Regulation||Yes|
|AC outlets|| |
|Fuel tank||Steel, 8 gal|
|Approx. dimensions (L x W x H)||28.4 x 27.9 x 26.8 in|
|Noise (lower limit)||74 dBA|
|Security||Low oil and overload protection|
|Neutral||Bonded to frame|
|Accessories included||Oil, funnel, tool kit, key fob and battery|
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.
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.
The Firman P08004 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?
|Item||Running Watts||Starting Watts|
|At home||Sump pump (1/2 hp)||1050||2150|
|Furnace fan (1/2 hp)||875||2350|
|Refrigerator (energy star)||192||1192|
|Total||6387 W||7862 W|
|For camping||Radiant heater||1300||1300|
|RV AC (11,000 BTU)||1010||1600|
|Set of 5 LED light bulbs||55||55|
|Total||6395 W||6985 W|
|For work||Table saw||1800||4500|
|Air compressor (1 hp)||1600||6100|
|Total||5480 W||9980 W|
Can this model be converted to propane? Is there a conversion kit? (Asked September 04, 2019)
To our knowledge, there is no official Firman propane conversion kit. You may want to have a look at the H08051, which is already dual fuel and has the same power output. It doesn't have the remote start, though.
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