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NorthStar e9250s - 7250/9250W Portable Generator With Electric Start

The NorthStar e9250s is a portable open frame generator with a rated wattage of 7,250 W and a starting wattage of 9,250 W. (Read full specs)

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Description

Zoom on the NorthStar e9250s

In summary, the NorthStar e9250s is a portable generator especially useful for:

  • Food truck owners who do not wish to see their business interrupted under any circumstances
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Professionals in need of safely powering high-intensity work or lighting equipment

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The NorthStar e9250s's engine, 420 cc NorthStar e420 OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 7,250W and reaches a peak wattage of 9,250W.

With a noise rating of 74 dBA (just slightly more noisy than a vacuum cleaner), the generator features a conventional pull-start mechanism, but also a convenient and easy-to-use electric starter (battery included).

The Electronic Fuel Injection (EFI) system enhances the engine's reliability, lowers fuel consumption, improves startup, reduces servicing, boosts stale fuel resistance, and offers better altitude adaptability.

The fuel capacity of 8 gallons allows the e9250s to operate for around 10.8 hours at 50% load with a full tank (fuel consumption around 0.74 GPH).

The e9250s produces a clean sine wave: thanks to a <5% Total Harmonic Distortion (THD), your sensitive electronics can be safely plugged in the AC outlets.

Outlets

The control panel features the upcoming 8 AC outlets:

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

Even though this NorthStar generator isn't quite RV Ready, its L5-30R receptacle allows an easy RV connection via an L5-30P to TT-30R adaptor. Besides, as it features a twist-lock L14-30R receptacle, the e9250s 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 design of the NorthStar e9250s is a typical, open frame, with the dimensions of L41 x W32 x H29 in, offering support and stability and enabling the possibility of raising it above ground level. The featured design is ideal for the outdoors and all tough environments.

Although this generator is technically considered 'portable' (in the sense that it can be moved), its 277 lbs make it incredibly difficult to manually lift and transport. 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 NorthStar e9250s

The e9250s's control panel

To help you monitor the e9250s's status and activity, the unit's control panel is equipped with a digital display that provides extensive information on the generator (more information about it below).

As for its security measures, the device features an automatic low oil shut-off and an overload protection (circuit breaker), letting you use it with a peace of mind.

It also includes a carbon monoxide sensor. This sensor is designed to monitor the level of carbon monoxide present during the generator's operation. If the generator is positioned incorrectly and carbon monoxide levels rise to an unsafe level, the generator will automatically shut down.

Besides the usual set of documentation and owner's manual (opens in a new tab) to get you promptly started, NorthStar also included a funnel in the e9250s's packaging.

Full-Featured Display

The Home, Service, and Diagnostic screens of the display

The excellent digital display

The unit is fitted with a colored, multi-function LCD display that offers simple, yet incredinbly exhaustive, at-a-glance monitoring. It features 3 screens:

  • Home: Gives you information about the load that is connected, fuel level, estimated remaining run time, and total runtime of the generator
  • Service: Displays maintenance intervals and the time remaining before each service is due
  • Diagnostic: Provides various electrical data, such as voltage, current, and frequency

Emissions

The NorthStar e9250s is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor, so it is adequate for use in forested areas.

The NorthStar e9250s versus other generators

The following charts are provided to give you an idea of how some of the key specs of the NorthStar e9250s compare to generators of similar power (between 6500 and 7500 W).

  • As its dry weight is 277 pounds, the NorthStar e9250s is one of the heavier of the products which can generate 6500 to 7500 running watts. If you are concerned by weight, one of the champions in the above-mentioned power range is the Sportsman GEN85KIDF, with a dry weight of just 133 pounds.
  • The generator can be considered average in its noise for its power category, as it is rated at 74 dBA. For those who are looking for a less noisy device, we suggest the Powerhorse 7500i. With just 55 dBA, it is one of the most quiet devices in this power range.
  • Thanks to an impressive running time of around 10.8 hours at 50% load, the e9250s benefits from a higher run time than many generators of a similar output. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Predator 9000, which is able to run for around 13 hours.
  • The run time is important, but also hugely depends on the capacity of the fuel tank and doesn't mean much if we don't talk about fuel consumption as well. This generator is not fuel efficient compared to devices of similar output: its estimated fuel consumption stands at 0.74 GPH at a 50% load. If you wish to further improve in the area of fuel efficiency, the Energizer eZV7500, which boasts with a gas consumption of only 0.45 GPH, may be the right generator for you.

Price comparison

As you can see from these interactive charts, when compared to other 6500-7500W generators, the NorthStar e9250s 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:
  • Excellent display, full of information
  • CO Sensor
  • GFCI Outlets
  • Impressive quantity of AC outlets
  • Electric start
  • Clean sine wave
  • Electronic Fuel Injection
  • High run time
  • Made in USA
AVERAGE SPECS:
  • Acceptable noise (74 dBA)
WEAKNESSES:
  • On the expensive side
  • No 50-amp output
  • No remote start
  • Not CARB-compliant
  • On the heavy side (277 lbs)
  • Low fuel efficiency

Do you own the NorthStar e9250s 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
FuelGasoline
Engine420 cc NorthStar e420 OHV 4-stroke
Starting systemRecoil, Electric
Warranty4 years
Power
VoltageAC: 120/240V 60 Hz
Running watts7,250 W
Starting watts9,250 W
Running amps (@120/240V)60.4/30.2 amps
Peak amps (@120/240V)77.1/38.5 amps
Run time @50% load10.8 h
Run time @25% loadUnknown
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 3x Duplex 120V 20A (5-20R) GFCI
  • 1x 120V 30A (L5-30R)
  • 1x 120/240V 30A (L14-30R)
DC outletsNo
Data centerPower output, fuel level, lifetime run hours, remaining run time, voltage and frequency
IndicatorsNo
Fuel tank8 gal
Fuel gaugeDigital
Misc
Weight277 lbs
Approx. dimensions (L x W x H)41 x 32 x 29 in
Noise (lower limit)74 dBA
THD< 5%
ComplianceEPA
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedFunnel, battery, and wheel kit
Country of originUSA
SeriesCommercial-Grade
Other model numbers1654402

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.

Spec Improvement×

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About NorthStar

NorthStar is a brand of outdoor power equipment trademarked and sold by the Northern Tool + Equipment company which has been based in Burnsville, Minnesota, USA since being founded in 1981. NorthStar products include log splitters, portable generators, air compressors, and pressure washers. Their line of commercial-grade portable generators is manufactured in the US. With many units powered by Honda engines, NorthStar outdoor power tools make up a large percentage of the product line for the fast-growing Northern Tool company.

Warranty Information

The NorthStar e9250s is covered under a warranty for up to 4 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of NorthStar generators, please contact the NorthStar Customer Support: 1-800-270-0810.

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 sizing calculator.
ItemRunning WattsStarting Watts
At homeElectric fry pan15001500
AC (10,000 BTU)15002200
Dish washer15003000
Sump pump (1/2 hp)10502150
Refrigerator (energy star)1921192
Set of 5 LED light bulbs5555
Total5797 W7297 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Toaster oven800800
DVD player350350
Total5790 W6380 W
For workTable saw18004500
Air compressor (1 hp)16006100
Demolition hammer12601260
Bug zapper8080
Total4740 W9240 W

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