GENMAX · Inverter generator

GM6250iET

Gasoline + Propane + Natural gas inverter generator with 6,250 peak watts

5,500W running6,250W peakSee manufacturer pageGasoline + Propane + Natural gas

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GENMAX GM6250iET 6250w Tri-Fuel Silent Inverter Generator (2026 Model) - Features 2-Wire Auto Start/Stop, bluetooth APP Control, CO Sensor, Digital Display & 50A Outlet — Official product image: GENMAX

Visual spec gallery

The deciding numbers, made scannable.

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01 · Maximum output

6,250W peak

Continuous output5,500W running

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

02 · Fuel output

Gasoline + Propane + Natural gas

Gasoline

5,500W run · 6,250W 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

66 dBA

04 · Controls & ownership

Starting

Electric / Recoil

CO shutoff

Manufacturer-listed

Parallel

Not listed

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

5,500 running watts and 6,250 peak watts for home backup and rv power. Confirm exact configuration and included accessories with the seller before purchase.

Fuel-specific output

Gasoline: 5,500W running / 6,250W peak

Operation & ownership

Engine: See manufacturer page
Voltage / frequency: 120V / 60 Hz
Runtime: up to 10 hours at 25% load and THD≤3%, making it ideal for
Fuel capacity: See manufacturer page
Sound: 66 dBA
Starting methods: Electric / Recoil
Unit size / weight: See manufacturer page / See manufacturer page
Warranty: 3-year warranty

Connections

【Smart Digital Control Panel】The user-friendly control panel offers four convenient starting methods: electric start, remote key fob start, Bluetooth App start, 2-wire auto gen start, and recoil start. It includes two 120V 20A 5-20R outlet, one 120V 30A L5-30R outlet, one 120/240V 50A 14-50R outlet, a 5V USB-A/C port, and a battery charging port. The integrated digital display center provides real-time monitoring of wattage load, runtime hours, voltage, frequency, fuel level, oil alerts, CO warnings, and Bluetooth status—delivering an intuitive and safer operating experience.

Manufacturer feature details

【Tri-Fuel Capability】The GM6250iET is equipped with a versatile tri-fuel power system that allows seamless switching between gasoline, propane (LPG), and natural gas (NG), ensuring stable operation in various environments. The dedicated fuel-source selector enables quick and easy switching, while the independent LPG/NG inlet ensures safe and reliable fuel delivery—ideal for home backup, RV travel, and jobsite applications.

【High Output Performance for Gasoline Fuel】GM6250iET delivers efficient and powerful power output with gasoline fuel. The unit can stably maintain 5500W running watts and 6250W starting watts, easily driving high-demand devices such as power tools, air conditioners, and refrigerators. Its inverter technology combined with ECO idle mode can automatically adjust engine speed according to load, greatly improving fuel efficiency, with a runtime of up to 10 hours at 25% load and THD≤3%, making it ideal for sensitive electronic products such as laptops and TVs.

【Ultra-Quiet & Portable for Easy Operation】Equipped with an advanced forced air cooling system and low-speed ECO mode, it can effectively reduce engine noise, with the noise level only about 66dB under 25% load, suitable for noise-sensitive scenarios such as home emergencies, camping and outdoor work; it is fitted with a durable frame, wheel kit and foldable handle for easy equipment transportation and quick deployment; optimized cooling and fuel efficiency can ensure the extension of the equipment's continuous operation time.

【perfect protection devices】The whole machine is equipped with perfect protection devices, such as overload protection, thermal protection, overvoltage protection, undervoltage protection, overcurrent protection, short circuit protection, overspeed protection, etc., which greatly facilitates the user's operation and improves the reliability/safety of the whole machine;

【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

Home backup
RV power
Jobsite tools
High-demand loads

Standout features

5,500 running / 6,250 peak watts
Gasoline + Propane + Natural gas
Electric / Recoil start
CO shutdown system

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