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Briggs & Stratton 30708 Spec Review

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The Briggs & Stratton 30708 is an open frame portable generator with a rated wattage of 5750 W and a starting wattage of 7185 W.

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Description

Keep your lights on, your food cold, your family connected – and more – during a power outage. (source: Briggs & Stratton)

Zoom on the Briggs & Stratton 30708

In a nutshell, the Briggs & Stratton 30708 is a portable generator mostly geared towards:

  • RV travellers looking for even more independence
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Professionals who want to ensure that a power failure will not prevent them from working

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 Briggs & Stratton 30708's engine, 389 cc Briggs & Stratton OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 5750W and reaches a peak wattage of 7185W.

The generator features a simple traditional pull-start mechanism.

With a full tank, the 30708 can operate for around 11.5 hours at 50% load (fuel consumption around 0.65 GPH), thanks to its fuel capacity of 7.5 gallons.

The following are examples of possible devices which the generator will allow you to power simultaneously:Note: Not all of these items may be able to start at the same time. These examples are based on a maximum load of 75 % and on wattage estimates. Use our wattage calculator to find out if this product will be suitable for your needs.

Outlets

The control panel features the upcoming 7 AC outlets:

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

As it features a twist-lock L14-30R receptacle, the 30708 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.

Portability

The Briggs & Stratton 30708 has the following dimensions: L29 x W21.5 x H25.5 in. In combination with its conventional, open frame design, they provide support and allow the generator to be raised above ground level. The design is ideal for rough environments and demanding outdoor use.

Since the generator weighs 190 lbs, it will be incredibly difficult to manually lift it and transport it, even though it is technically considered to 'be portable' (in the sense that it is movable). Still, once it is on the ground, a wheel kit (⌀10") and a folding handle can easily solve the issue of low mobility and allow for easy relocation of the device.

Features

Panel of the Briggs & Stratton 30708

The 30708's control panel

The control panel of the 30708 includes an illuminated data center, which assists you in monitoring its status and activity, as it provides information on the lifetime run hours.

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

Besides the usual set of documentation and user manual to get you promptly started, Briggs & Stratton also included some oil in the 30708's packaging.

Emissions

The Briggs & Stratton 30708 is neither EPA approved nor CARB-compliant..

However, it features a spark arrestor, making it usable in forested areas.

The Briggs & Stratton 30708 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Briggs & Stratton 30708 compare to generators of similar power (between 5500 and 6500 W).

  • As its weight is 190 pounds, the Briggs & Stratton 30708 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 Lifan LF7250 with only 140 pounds.
  • Given that the 30708 reaches an autonomy of 11.5 hours with a full tank and at 50% load, it is placed within the average autonomy range of similarly powerful generators. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Cat RP5500, boasting with 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 somewhat less fuel efficient than devices of comparable output: its estimated fuel consumption reaches 0.65 GPH at a 50% load. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.38 GPH, the Lifan ESI 7000iER-EFI is a device you should look out for.

Price comparison

As you can see from this dynamic chart, when compared to other 5500-6500W generators, the Briggs & Stratton 30708 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
AVERAGE SPECS:
  • Decent weight (190 lbs)
  • Decent run time
WEAKNESSES:
  • No electric start
  • No EPA or CARB compliance
  • Low fuel efficiency

Do you own the Briggs & Stratton 30708 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Where to buy the Briggs & Stratton 30708?

You can easily buy your Briggs & Stratton generator online. You will benefit from a convenient delivery and avoid carrying the heavy package yourself. Here are a few reliable online sellers:
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Price History
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Price history for the Briggs & Stratton 30708
Latest updates:
  • $649.00 - September 21, 2019
  • $679.00 - August 31, 2019
Since: August 31, 2019
  • Highest Price: $679.00 - August 31, 2019
  • Lowest Price: $649.00 - September 21, 2019

Features and Specifications

General

InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine389 cc Briggs & Stratton OHV 4-stroke
Starting systemRecoil

Power

VoltageAC: 120/240V 60 Hz
Running watts5750 W
Starting watts7185 W
Running amps (@120/240V)47.9/24 amps
Peaks amps (@120/240V)59.9/29.9 amps
Run time @50% load11.5 h
Run time @25% loadN/A

Features

GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets2x Duplex 120V 20A (5-20R) GFCI
1x Duplex 120V 20A (5-20R)
1x 120/240V 30A (L14-30R)
DC outletsNo
Data centerLifetime run hours
IndicatorsNo
Fuel tankMetal, 7.5 gal
Fuel gaugeYes

Misc

Weight190 lbs
Dimensions (L x W x H)29 x 21.5 x 25.5 in
Noise (lower limit)N/A
THDN/A
EmissionsN/A
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil
Warranty2 years

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 Briggs & Stratton

Founded in 1908, in Milwaukee, Wisconsin, Briggs & Stratton is a well renowned American based gasoline engine manufacturer. While the company mainly focuses on engines – including outdoor, power tool, karting, cast iron and aluminum models, power generators are a crucial component of their portfolio as well – Briggs & Stratton provides both portable and standby solutions for casual users with full support, including installation. The company operates on a global scale, with 13 facilities spread across all the of the continents.

Warranty Information

The Briggs & Stratton 30708 is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Briggs & Stratton generators, please consult Briggs & Stratton's warranty policies stated in the user manual. Alternatively, you can also contact their Customer Support : 1-800-743-4115.

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