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Westinghouse WGen9500 Spec Review

The Westinghouse WGen9500 is a powerful open frame generator with a rated wattage of 9500 W and a starting wattage of 12500 W.

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Description

Zoom on the Westinghouse WGen9500

In a nutshell, the Westinghouse WGen9500 is a powerful portable generator mostly geared towards:

  • Homeowners who wish to power almost all appliances in their house under any circumstances
  • Professionals in need of safely powering high-intensity work or lighting equipment

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The Westinghouse WGen9500 in use

The Westinghouse WGen9500

The Westinghouse WGen9500 is powered by a 457 cc (13.5 hp) Westinghouse OHV 4-stroke engine. It delivers 120/240V, runs on gasoline and offers a running wattage of 9500W as well as a peak wattage of 12500W.

At a noise rating of 73 dBA (just slightly more noisy than a vacuum cleaner), this generator can be started via a conventional pull-start mechanism, or a simple and elegant electric starter (battery included). To add further convenience, the WGen9500 can be remotely started (key fob included).

The fuel capacity of 6.6 gallons allows the WGen9500 to operate for up to 17.5 hours with a full tank (fuel consumption around 0.38 GPH).

The powering of sensitive electronic devices with the WGen9500 is not recommended due to its relatively high THD (<23%).

Outlets

The control panel includes the following 6 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120/240V 30A (L14-30R) receptacle
120/240V 50A (14-50R) receptacle

Additionally, it features 2 DC outlets: there's two 5V USB ports with which you may charge electronics, for example mobile phones or tablets, conveniently.

Because the WGen9500 is equipped with a twist-lock L14-30R receptacle, it is transfer switch ready: it can power your home during a power outage, as it can be easily connected to your breaker box to power your household.

Westinghouse's ST Switch Outlet

Picture of the ST Switch outlet

The ST Switch outlet

The WGen9500 is what Westinghouse calls Smart Switch Ready. This means that it features a special outlet that allows for an automatic transfer of power in case of a power outage.

To benefit from this feature, you'll need the Westinghouse ST Switch (opens in a new tab), which is not included with the generator.

Simply put, the ST Switch is a cost-effective and versatile portable automatic transfer switch, which can be installed quickly and easily, without an electrician.

Plug the ST Switch into one of your household 120V outlets, plug your appliances to the ST Switch, and connect the WGen9500 to the ST Switch via the special outlet and a 120V cord. The generator will automatically turn on when the power goes out, and automatically turn off when the power returns.

Portability

The dimensions of the Westinghouse WGen9500, which are L27.2 x W26.5 x H26 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

As the generator's weight is 220 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable). However, this lack of maneuverability is compensated by its wheel kit (⌀10") and its folding handle, with which you can conveniently shift it, once it's on the ground.

Features

Panel of the Westinghouse WGen9500

The WGen9500's control panel

The control panel of the WGen9500 includes a convenient meter, which displays voltage, frequency and lifetime hours, helpful for the monitoring of its status and activity.

Thanks to a built-in fuel gauge, the generator allows you to quickly, conveniently and easily check the gas level at a glance.

Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off, which gives you a complete peace of mind when using it.

While the standard documentation and an owner's manual (opens in a new tab), helpful for starting the device promptly, come with the Westinghouse WGen9500, the following accessories are also included: tool kit, battery charger, funnel, key fob and oil. An official storage cover is also available, as a separate purchase.

Emissions

The Westinghouse WGen9500 is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.

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

Product Videos

The Westinghouse WGen9500 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Westinghouse WGen9500 compare to generators of similar power (between 9000 and 10000 W).

  • In terms of its dry weight, the Westinghouse WGen9500 stands at only 220 lbs, meaning that is one of the lighter devices of the 9000-10000 rated wattage category If weight matters to you, one of the champions in this power range is the Rainier R12000DF with only 196 pounds.
  • At a lowest noise rating of 73 dBA, this generator is one of the quieter devices of similar power. For those who are looking for a less noisy device, we suggest the A-iPower SUA12000ED. With just 69 dBA, it is one of the most quiet devices in this power range.
  • The WGen9500 provides one of the highest run time among similarly powerful devices, reaching up to 17.5 hours at 25% load.
  • 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. With an estimated gasoline consumption of 0.38 GPH (gallon per hour) at 25% load, this generator is among the most fuel efficient of the products in the above-mentioned wattage range.

Price comparison

As you can see from this interactive chart, when compared to other 9000-10000W generators, the Westinghouse WGen9500 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

STRENGTHS:
  • In the expected price range
  • Several accessories included
  • GFCI Outlets
  • Remote start
  • Smart Switch Ready
  • Lightweight for its kind (220 lbs)
  • Quiet for its power (73 dBA)
  • High run time
  • Fuel efficient
WEAKNESSES:

The Westinghouse WGen9500 doesn't have any notably low specs.

Do you own the Westinghouse WGen9500 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine457 cc Westinghouse OHV 4-stroke
Starting systemRecoil, Electric, Remote
Power
VoltageAC: 120/240V 60 Hz, DC: 5V
Running watts9500 W
Starting watts12500 W
Running amps (@120/240V)79.2/39.6 amps
Peak amps (@120/240V)104.2/52.1 amps
Run time @50% load12 h
Run time @25% load17.5 h
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
  • 1x 120/240V 50A (14-50R)
DC outlets2x 5V USB port
Data centerVFT
IndicatorsNo
Fuel tankSteel, 6.6 gal
Fuel gaugeYes
Misc
Weight220 lbs
Approx. dimensions (L x W x H)27.2 x 26.5 x 26 in
Noise (lower limit)73 dBA
THD< 23%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, funnel, tool kit, key fob, battery charger, battery, and wheel kit
Warranty3 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.

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About Westinghouse

The US based Westinghouse Outdoor Power Equipment is a legacy subsidiary of the Westinghouse Electric Corporation, founded in 1886. While the company has been acquired and merged into the American CBS, the Westinghouse name remains as the brand name for many of their electrical solutions, which stretch across the scale from power plants to portable generators. Portable generators – the main product of the Outdoor Power Equipment branch of Westinghouse – used to be manufactured by Westpro Power Systems, which was bought in 2016 by Midwest Equipment. Lawn equipment, such as trimmers and blowers, is also sold under the Westinghouse brand name. All of their products are designed in the US. However, several sources report that they are in many cases manufactured in China.

Warranty Information

The Westinghouse WGen9500 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 Westinghouse generators, please consult Westinghouse's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-855-944-3571.

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 size calculator.
ItemRunning WattsStarting Watts
At homeAC (10,000 BTU)15002200
Microwave (1000 watts)15001500
Dish washer15003000
Electric fry pan15001500
Sump pump (1/2 hp)10502150
Refrigerator (energy star)1921192
Slow cooker270270
Set of 5 LED light bulbs5555
Total7567 W9067 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Electric grill16501650
Electric fry pan15001500
Radiant heater13001300
Radio100100
Set of 5 LED light bulbs5555
Total7595 W8185 W
For workTable saw18004500
Air compressor (1 hp)16006100
Grinder14002500
Demolition hammer12601260
Disc sander12001200
Electric fence (25 miles)250250
Bug zapper8080
Total7590 W12090 W
Does it come with wheels and the battery. Does the battery charge as you run it. (Asked May 27, 2020)

The wheel kit and the battery are included. The generator does charge the battery when it runs. However, to ensure that the battery remains charged, the WGen9500 should be started every 2 to 3 months and run for a minimum of 15 minutes. Otherwise, you'll have to use a charger.

Westinghouse w gen9500 have propane hook up capability? (Asked August 08, 2020)

For propane operation, you'd be looking at the WGen9500DF, which is the dual fuel version.

Can you both Start AND Shut Off the generator with the remote (key FOB)? (Asked September 30, 2020)

Absolutely. The key fob has 2 buttons. One to start the unit, and one to stop it.

Is the width dimension of 26.5” i with the wheels on? If not, what is that dimension? (Asked February 01, 2021)

This is the assembled width, so with the wheels.

Can the 30amp outlet be wired to one transfer switch and the 50amp outlet wired to a second transfer switch. (Asked May 22, 2021)

There's no reason why this should not be possible, as long as NEC is respected.

Does this really run up to 17.5hrs at 25% as stated on this page? All I see, even on the MFG website is 12 hours. Anyone successfully have it run that long? How was this calculated? (Asked June 15, 2021)

This was not calculated, since these are the official manufacturer specs at 25% load. The 12 hours mentioned on the MFG website are at 50% load. This information is also available in the spec table above.

Couldn't find the right answer for you? Ask your own question.

Westinghouse WGen9500
9.8 Total Score
1 review
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1 Review
  1. 4.9
    Price
    100
    Value
    100
    Quality
    100
    Performance
    90

    Very nice generator especially for the price. Super easy to set up and test. Quieter than expected. Cannot find a flaw on it. The only thing keeping me from going with 5 stars on the performance was the inability to source a Westinghouse Smart Switch which I specifically purchased this generator to work with. Home Depot, Amazon, Lowes, E-bay all sold out, no word on when it will come back in stock. Also created a case with Westinghouse January 3rd (10 days ago) regarding this issue and sent 2 more emails and haven’t heard a response yet.

    + PROS:
    • Very nice generator especially for the price. Super easy to set up and test. Quieter than expected. Set up for simple use with a 20A Westinghouse automatic transfer switch. Remote start. Comes with battery, charger, oil, funnel, full documentation.
    - CONS:
    • Cannot find a flaw with it anywhere except one big one: Cannot buy a Smart switch for it anywhere and still waiting for an answer from the Westinghouse Service Team after 10 days.
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