- Wattage (Gas): 4,450 W / 3,650 W
- THD: < 25%
- Noise Level: 67 dBA
- Fuel Type: Gasoline
- RV Ready: Yes
- Run Time@ 25% load: Unspecified
- Run Time@ 50% load: 14 h
- Weight: 119.5 lbs
Table Of Contents
We are proud of our independence and have no ties to manufacturers. To maintain our objectivity, we do not accept free products. Our income is generated by advertising fees paid by retailers for qualifying purchases.
The Firman P03612 is made with a 208 cc Firman Max-Pro Series OHV 4-stroke engine that runs on gasoline. It has an output voltage of 120/240V and a running wattage of 3,650W and a peak wattage of 4,450W. The generator has both a simple pull-start mechanism and an electric starter that is easy to use (battery included). It has a noise level of 67 dBA (quieter than a regular conversation). For even more convenience, you can also start the P03612 from a distance (key fob included). With a full tank, the P03612 can run for about 14 hours at 0.5 load (using about 0.36 GPH of fuel). This is because it has a 5 gallon fuel tank. Due to its relatively high THD (25%), the P03612 can’t be used to power sensitive electronic devices.
The following 4 AC outlets are on the control panel: Duplex 120V 20A (5-20R); 120/240V 30A (L14-30R) receptacle; 120V 30A (TT-30R) receptacle.This Firman generator is ready for an RV because it has a TT-30R plug (TT stands for “Travel Trailer”).The P03612 also has a twist-lock L14-30R receptacle, which makes it ready for a transfer switch.You can easily connect it to your breaker box to power your home when the power goes out.
On the control panel of the P03612 is a handy meter that shows voltage, frequency, and lifetime hours.This makes it easier to keep track of its status and activity.In addition to this information, a light shows you if the oil level is too low.The generator has a built-in fuel gauge that makes it quick, easy, and convenient to check how much gas is in it.When it comes to safety, this product has an automatic low oil shut-off and an overload protection (circuit breaker), so you can use it without worry.The Firman P03612 comes with basic instructions and an owner’s manual that will help you start the generator quickly.It also comes with a funnel, oil, a key fob, and a tool kit.
The Firman P03612 has a traditional, open frame that measures L24.8 x W21.7 x H21.7 in, This frame gives it support and lets it be lifted off the ground.The generator is built to work well outside and in rough places.Even though the generator is technically considered to “be portable,” it will be very hard to move it by hand because it weighs 119.5 pounds (in the sense that it is movable).Once it is on the ground, it can still be moved easily with the help of its wheel kit (diameter: 8″) and its folding handle.
The following charts show how some of the most important features of the Firman-P03612 compare to other generators with the same power output.
**Fuel efficiency is give in relative percentage, 0 being the lowest and 1 being the highest value. Please see below specification table for actual value.
|208 cc Firman Max-Pro Series OHV 4-stroke
|Recoil, Electric, Remote
|AC: 120/240V 60 Hz
|Running amps (@120/240V)
|Peak amps (@120/240V)
|Run time @50% load
|Run time @25% load
|Automatic Voltage Regulator
|1x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120V 30A (TT-30R)
|Steel, 5 gal
|Approx. dimen. (L x W x H)
|24.8 x 21.7 x 21.7 in
|Noise (lower limit)
|Low oil and overload protection
|Oil, funnel, tool kit, key fob, battery, and wheel kit
- We compared more than 500 portable generators at 50% load. We found that there is “skewed right” distribution for the difference between 50% load and 25% load and the median comes at 1.43. With this number we converter all the 25% load runtime to 50% load. Same with the propane efficiency, where median is 1.38.
- For some generators where propane runtime was not given, we used NIST 1994 GGE (Gasoline Gallon Equivalent) formula: 5.66 lbs. of propane = 1 gal of gasoline. All propane runtime is for 20 lbs. propane tank (4.7 gallons).
- Unlike many other sites, we actually tried to find out information about each of the above requirements. However, we are human and are therefore capable of the odd oversight or mistake. Please let us know if you spot any missing or erroneous values so that we can fix them.
About the Manufacturer
Firman Power Equipment is a business with a recent but reputable history in the power equipment sector.It was founded in 1999.The Arizona-based business provides a vast array of goods, including power tools, automotive equipment, storage items, work clothing, but its assortment of generators of different shapes, sizes, and outputs stands out above the rest.Interestingly, Firman serves as a de facto distributor of China National Machinery Industry Corporation’s goods in the US and is a fully owned subsidiary of that business.
A warranty covers the Firman P03612 for up to 3 years.This warranty may not cover all parts of the generator or may only cover certain parts.Check out Firman’s warranty policies if you want to know more about the warranty on a Firman generator.You can also call their customer service line at 1-844-FIRMAN1 (844-347-6261).