GENMAX · Inverter generator

GM11000iET

Gasoline + Propane + Natural gas inverter generator with 11,000 peak watts

8,500W running11,000W peak458cc OHVGasoline + Propane + Natural gas

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GENMAX GM11000iET 11000 Watt Tri-Fuel Inverter Generator - Remote Start CO Sensor — Official product image: GENMAX

Visual spec gallery

The deciding numbers, made scannable.

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01 · Maximum output

11,000W peak

Continuous output8,500W running

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

02 · Fuel output

Gasoline + Propane + Natural gas

Gasoline

8,500W run · 11,000W peak

Propane

8,000W run · 9,500W peak

Natural gas

6,800W run · 8,400W 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

See manufacturer page

04 · Controls & ownership

Starting

Remote

CO shutoff

Manufacturer-listed

Parallel

Not listed

Warranty

See manufacturer 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

8,500 running watts and 11,000 peak watts for home backup and rv power. Confirm exact configuration and included accessories with the seller before purchase.

Fuel-specific output

Gasoline: 8,500W running / 11,000W peak
Propane: 8,000W running / 9,500W peak
Natural gas: 6,800W running / 8,400W peak

Operation & ownership

Engine: 458cc OHV
Voltage / frequency: 120V / 60 Hz
Runtime: 9.0 hrs
Fuel capacity: 6.9 gallon fuel tank
Sound: See manufacturer page
Starting methods: Remote
Unit size / weight: See manufacturer page / See manufacturer page
Warranty: See manufacturer warranty

Connections

Easy To Use Control Panel: The control panel consists of CO sensor indicator light, LED light, battery charging port, automotive inspired digital data center display, 2x Duplex 5-20R 20A 120V, 1x L14-30R 30A 120/240V, 1x 14-50R 50A 120/240V, 1x 12V DC 8.3A

Manufacturer feature details

Robust Engine: 458cc OHV high performance 4 cycle engine. Fuel-efficient, reliable, powerful providing long life and excellent heat dissipation.

High Output: 11,000 starting watts with 8,500 running watts on gasoline and 9,500 starting watts with 8,000 running watts on propane and 8,400 starting watts with 6,800 running watts on natural gas. This powerful portable inverter generator is the ideal product for your tailgating and camping needs.

Low Idle With Portability: Compact design with fold down handle and wheels for portability. Low idle technology gives you a run time of 9.0 hrs. at 50% load with 6.9 gallon fuel tank.

In Compliance With Latest Standards: In compliance with PGMA, UL2201 and CARB 2024

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

Home backup
RV power
Jobsite tools
High-demand loads

Standout features

8,500 running / 11,000 peak watts
Gasoline + Propane + Natural gas
Remote start
CO shutdown system

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Official sources:Model page All GENMAX generatorsVerified September 15, 2026