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Genmax GM3500Xi - Spec Breakdown

The Genmax GM3500Xi is a compact and lightweight open frame inverter generator with a rated wattage of 3200 W and a starting wattage of 3500 W.

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Description

Zoom on the Genmax GM3500Xi

In a nutshell, the Genmax GM3500Xi is a compact and lightweight portable inverter generator mostly geared towards:

  • RV travellers who wish to upgrade their experience to another level
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • Amateur DIY lovers
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Camping and tailgating buffs looking to enhance their experience

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 Genmax GM3500Xi in use

The Genmax GM3500Xi

The Genmax GM3500Xi is powered by a 145 cc (5.2 hp) Dinking OHV 4-stroke engine. It delivers 120V, runs on gasoline and offers a running wattage of 3200W as well as a peak wattage of 3500W. Moreover, since it is parallel capable (parallel kit not included), its power may be increased if linked to a second compatible unit.

The inverter generator is rated for a noise of 66 dBA (less noisy than background music). Its starting mechanism is based on a conventional pull-start mechanism.

The GM3500Xi can operate for around 8.5 hours at 50% load with a full tank (fuel consumption around 0.26 GPH), due to its fuel capacity of 2.24 gallons.

The GM3500Xi generates a clean sine wave: providing <5% Total Harmonic Disruption (THD), delicate electronics can be plugged in its AC outlets safely.

Outlets

The control panel includes the following 3 AC outlets:

Duplex 120V 20A (5-20R)
120V 30A (L5-30R) receptacle

In addition, it provides 2 DC outlets: there's two 5V USB ports (USB-A) with which charging of electronics like mobile phones and tablets is made convenient.

This Genmax generator isn't quite RV Ready, but it features an L5-30R receptacle, allowing a simple RV connection through an L5-30P to TT-30R adaptor.

Portability

With its dimensions of L18.9 x W13.6 x H17.7 in, the conventional, open frame design of the Genmax GM3500Xi offers stability and allows the generator to be raised above ground level. The generator is designed for ideal use outdoors and in rough environments.

The GM3500Xi can be taken anywhere with you, thanks to its weight of 57.3 lbs. Moreover, its open frame design makes it incredibly easy to grab the frame in order to change its location.

Features

Panel of the Genmax GM3500Xi

The GM3500Xi's control panel

Monitoring of the GM3500Xi's status and activity is made possible by a digital data center, which provides information on the lifetime run hours and is one of the features of its control panel.

In addition to this info, several light indicators serve to show you when the generator is ready, the generator is overloaded and its oil levels are insufficient.

From a security point of view, the generator is equipped with an automatic low oil shut-off and an overload protection (circuit breaker), giving you a peace of mind during use.

It also benefits from Genmax's CO DETECT technology, which 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. It’s a welcomed additional security feature, but don’t forget to always take your generator outside (opens in a new tab).

With the basic documentation and an owner's manual (opens in a new tab), letting you start the generator quickly, the Genmax GM3500Xi also comes with several accessories, including: funnel and tool kit.

Emissions

The Genmax GM3500Xi is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

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

Product Videos

The Genmax GM3500Xi versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Genmax GM3500Xi compare to generators of similar power (between 2500 and 3500 W).

  • Weight-wise, the Genmax GM3500Xi has only 57.3 lbs, which renders it one of the lighter generators which produce 2500 to 3500 rated watts. If weight is your top priority, one of the champions in this power category is the Genmax GM3300i, weighing just 47.4 pounds.
  • This inverter generator, with its lowest possible noise rated at 66 dBA falls into the more noisy category, compared to other devise of a similar running wattage. If noise emissions are important to you, one of the least noisy generators of this power range is the Honda EU3000iS with only 50 dBA.
  • As far as autonomy is concerned, providing around 8.5 hours of runtime with a full tank at a 50% load, the GM3500Xi falls into the low end in comparison with other devices of a comparable power output. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Predator 4375, as it provides around 16 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. This inverter generator is one of the more fuel efficient models of the aforementioned output range, as its estimated fuel consumption reaches just 0.26 GPH (gallon per hour) at 50% load. 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.

The bottom line

STRENGTHS:
  • CO DETECT technology
  • Several accessories included
  • Parallel capable
  • Inverter
  • Lightweight (57.3 lbs)
  • Fuel efficient
WEAKNESSES:
  • No electric start
  • Not CARB-compliant
  • 1-year warranty
  • On the noisy side (66 dBA)
  • Relatively low run time

Do you own the Genmax GM3500Xi and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyNo
FuelGasoline
Engine145 cc Dinking OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz, DC: 5V
Running watts3200 W
Starting watts3500 W
Running amps26.7 amps
Peak amps29.2 amps
Run time @50% load8.5 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (L5-30R)
DC outlets2x 5V USB port (USB-A)
Data centerLifetime run hours
IndicatorsLow oil, overload and output ready
Fuel tankSteel, 2.24 gal
Fuel gaugeNo
Misc
Weight57.3 lbs
Approx. dimensions (L x W x H)18.9 x 13.6 x 17.7 in
Noise (lower limit)66 dBA
THD< 5%
ComplianceEPA, ANSI/PGMA G300-2018
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedFunnel and tool kit
Warranty1 year

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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Warranty Information

The Genmax GM3500Xi is covered under a warranty for up to 1 year. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Genmax generators, please contact the Genmax Customer Support: 1-866-960-2920.

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 homeAC (10,000 BTU)15002200
Refrigerator (energy star)1921192
Toaster oven800800
Total2492 W3492 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Radiant heater13001300
Set of 5 LED light bulbs5555
Total2545 W3135 W
For workGrinder14002500
Reciprocating saw730960
Drain cleaner250250
Total2380 W3480 W

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