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WEN GN4500 Spec Review

The WEN GN4500 is a compact open frame generator with a rated wattage of 3600 W and a starting wattage of 4500 W.

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Description

The powerful 212cc OHV 4-stroke engine generates up to 4500 surge watts and 3600 running watts of reliable power. The digital data meter displays the voltage, frequency, session runtime, and total runtime, making it easier to schedule routine maintenance and monitor the generator’s output. This generator is also compatible with the WEN GNA410 Wheel and Handle Kit for easy transportation and storage (sold separately). (source: WEN (opens in a new tab))

Zoom on the WEN GN4500

In summary, the WEN GN4500 is a compact portable generator especially useful for:

  • RV travellers looking for even more independence
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout

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 WEN GN4500's design includes a gasoline-fueled 212 cc OHV 4-stroke engine. With a 120V output, it gives a running wattage of 3600W and also a peak wattage of 4500W.

With a noise rating of 65 dBA (just slightly more noisy than an office), the generator features a simple traditional pull-start mechanism.

With a full tank, the GN4500 can operate for around 13 hours at 50% load (fuel consumption around 0.31 GPH), thanks to its fuel capacity of 4 gallons.

Outlets

The control panel features the following 6 AC outlets:

Two Duplexes 120V 20A (5-20R)
120V 30A (L5-30R) receptacle
120V 30A (TT-30R) receptacle

This WEN generator is RV Ready, as it features a TT-30R receptacle (TT stands for 'Travel Trailer').

Portability

The dimensions of the WEN GN4500, which are L23.3 x W18 x H18.8 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.

The GN4500 can be taken anywhere with you, thanks to its weight of 97.9 lbs. Moreover, grabbing and moving this product is made even easier by its open frame design.

Features

Panel of the WEN GN4500

The GN4500's control panel

The GN4500'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.

The fuel level of the generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.

As far as security is concerned, the generator can be used with a peace of mind, as it features an automatic low oil shut-off and an overload protection (circuit breaker).

Along the basic documentation and an owner's manual (opens in a new tab), useful for starting the generator right away, the WEN GN4500's package also includes these accessories: oil and tool kit.

Emissions

The WEN GN4500 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 and therefore, can be used in forested areas.

The WEN GN4500 versus other generators

The following charts are provided to give you an idea of how some of the key specs of the WEN GN4500 compare to generators of similar power (between 3500 and 4500 W).

  • In terms of its dry weight, the WEN GN4500 stands at only 97.9 lbs, meaning that is one of the lighter devices of the 3500-4500 rated wattage category If you are concerned by weight, one of the champions in the above-mentioned power range is the WEN GN400i, with a dry weight of just 66.1 pounds.
  • Since the generator's noise is rated at 65 dBA, it has the roughly average expected noise for a device of similar power. If noise emissions are important to you, one of the least noisy generators of this power range is the Cummins Onan P4500i with only 52 dBA.
  • Since the GN4500 boasts with a run time of around 13 hours at 50% load, it can be safely judged as a device of a higher run time than most generators of a comparable output. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Predator 4375, reaching around 16 hours.
  • Autonomy holds its importance, however, it is largely dependent on the generator’s fuel capacity and so, it is nonsensible to discuss it without mentioning fuel efficiency as well. With an estimated gasoline consumption of 0.31 GPH (gallon per hour) at 50% load, this generator is among the more fuel efficient of the products in the above-mentioned wattage range. If you wish to further improve in the area of fuel efficiency, the Westinghouse iGen4200, which boasts with a gas consumption of only 0.17 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, when compared to other 3500-4500W generators, the WEN GN4500 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
  • Several accessories included
  • RV Ready
  • Lightweight for its kind (97.9 lbs)
  • High run time
  • Fuel efficient
AVERAGE SPECS:
  • Acceptable noise (65 dBA)
WEAKNESSES:
  • No electric start

Do you own the WEN GN4500 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 readyYes
FuelGasoline
Engine212 cc OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz
Running watts3600 W
Starting watts4500 W
Running amps30 amps
Peak amps37.5 amps
Run time @50% load13 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (L5-30R)
  • 1x 120V 30A (TT-30R)
DC outletsNo
Data centerVFT
IndicatorsNo
Fuel tank4 gal
Fuel gaugeYes
Misc
Weight97.9 lbs
Approx. dimensions (L x W x H)23.3 x 18 x 18.8 in
Noise (lower limit)65 dBA
THDUnknown
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedOil and tool kit
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.

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About WEN

WEN Products, founded by Nick Anton in 1951, is an American power tool manufacturer and distributor, which claims to have a part in the development of modern chainsaw, soldering devices and wet sharpeners, through its research in random orbital technology. The Illinois based company expanded its distribution network to include various power tools, such as presses, drills and of course, power generators. As a distributor, WEN’s portfolio largely consists of branded products of different manufacturers, imported from Asia.

Warranty Information

The WEN GN4500 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 WEN generators, please consult WEN's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-847-429-9263.

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 homeRefrigerator (energy star)1921192
Hair dryer18001900
Freezer8101750
Set of 5 LED light bulbs5555
Total2857 W3857 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
Slow cooker270270
Radio100100
Total2860 W3450 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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

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WEN GN4500
6 Total Score
1 review
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Price
7
Value
6
Quality
5
Performance
6
1 Review
  1. 3
    Price
    70
    Value
    60
    Quality
    50
    Performance
    60

    I essentially agree with you on strengths and weaknesses, at least for the plus/minus 4 hours it ran. It starts and runs and it appears there is at least power for charging the RV batteries, but nothing AC works at all. Hopefully, it’s not a serious problem.

    + PROS:
    • It worked well for some hours.
    - CONS:
    • It quit working, at least in regard to electrical output.
    Helpful(0) Unhelpful(0)You have already voted this

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