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GENMAX · Inverter generator

GM3200i

Gasoline inverter generator with 3,200 peak watts

2,800W running3,200W peak145cc OHVGasoline
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GENMAX GM3200i 3200 Watt Gasoline Inverter Generator
Official product image: GENMAX

Visual spec gallery

The deciding numbers, made scannable.

01 · Maximum output

3,200W peak

Continuous output2,800W running

Size around running load first, then confirm the peak rating covers the largest startup surge.

02 · Fuel output

Gasoline

Gasoline

2,800W run · 3,200W peak

Alternative-fuel ratings are shown only when GENMAX publishes a fuel-specific figure.

03 · Portability

See manufacturer page

Unit weight

See manufacturer page

Dimensions

Sound rating

57 dBA

04 · Controls & ownership

Starting

See manufacturer page

CO shutoff

Not listed

Parallel

Capable

Warranty

3-year warranty

Official product gallery

Every manufacturer view in one place.

GENMAX imagery can include the enclosure, control panel, outlets, dimensions, feature callouts, and included accessories.

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Complete specifications

Manufacturer data, organized for comparison.

Power ratings, features, imagery, manuals, and seller links come from GENMAX’s current U.S. model page. A missing figure is labeled instead of estimated.

Never run a portable generator indoors. Keep it at least 20 feet from occupied buildings with exhaust directed away from doors, windows, and vents. Use a qualified electrician and approved transfer equipment for home connections.

Model overview

2,800 running watts and 3,200 peak watts for rv power and home essentials. Confirm exact configuration and included accessories with the seller before purchase.

Fuel-specific output

Gasoline
2,800W running / 3,200W peak

Operation & ownership

Engine
145cc OHV
Voltage / frequency
120v / 60 Hz
Runtime
8 hours in the case of 1 gallon of fuel, with "econo
Fuel capacity
See manufacturer page
Sound
57 dBA
Starting methods
See manufacturer page
Unit size / weight
See manufacturer page / See manufacturer page
Warranty
3-year warranty

Connections

【Strong panel with Parallel function】 LED indicators alert you when unit is low on oil, overloaded or ready-to-use. USB ports to charge mobile devices. 120v 20A duplex and 120v 30A Covered outlets provide added protection from the environment. Parallel ready to connect two GM3200i inverter generator for twice the power. (parallel kit sold separately).

Manufacturer feature details

【Strong Power】GM3200i uses newest high speed 5.2 HP 145cc gas engine, output 3200 surging watts and 2800 running watts , this powerful inverter generator is the dream ideal product for emergency home backup power, jobsite use, tailgate or camping with your RV.
【Super Quiet, Fuel Saving】Fully enclosed design dramatically reduces noise levels. At 23 feet distance, 57 DBA with no-load, 62 DBA with 25% load, 68DBA with full load. inverter technology provides clean, stable power for sensitive electronics, tools and appliances,Capable of running for a long time for 8 hours in the case of 1 gallon of fuel, with "economy mode" for maximum fuel efficiency.
【Ultra-Lightweight, Extensive use】At only 47.3 pounds, this inverter is one of the lightest 3000-watt inverters in the industry and has the best power-to-weight ratio. It can operate a wide variety of appliances,Compact and lightweight makes transportation easy with built-in handle.
【Strong panel with Parallel function】 LED indicators alert you when unit is low on oil, overloaded or ready-to-use. USB ports to charge mobile devices. 120v 20A duplex and 120v 30A Covered outlets provide added protection from the environment. Parallel ready to connect two GM3200i inverter generator for twice the power. (parallel kit sold separately).
【GENMAX Support】Includes 3-year warranty with FREE lifetime technical support from experts.

Current seller links

Compare offers from GENMAX-listed retailers.

These destinations are supplied on the official model page. Prices and availability can change.

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Best-fit uses

  • RV power
  • Home essentials
  • Tailgating
  • Jobsite tools

Standout features

  • 2,800 running / 3,200 peak watts
  • Gasoline
  • Manual start
  • Parallel capable

Compare it with your actual load.

Run your essentials through the calculator before choosing a generator.

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Official sources:Model pageAll GENMAX generatorsVerified September 15, 2026