GENMAX · Inverter generator

GM4000XID-NFT

Gasoline + Propane inverter generator with 4,000 peak watts

3,200W running4,000W peakSee manufacturer pageGasoline + Propane

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GENMAX GM4000XID-NFT DIY Open Frame Dual Fuel Inverter Generator with CO Detect — Official product image: GENMAX

Visual spec gallery

The deciding numbers, made scannable.

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01 · Maximum output

4,000W peak

Continuous output3,200W running

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

02 · Fuel output

Gasoline + Propane

Gasoline

3,200W run · 4,000W peak

Propane

2,800W run · 3,000W 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

Electric

CO shutoff

Manufacturer-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.

Official GENMAX GM4000XID-NFT product image 1 — Official GENMAX image 1 of 7

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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

3,200 running watts and 4,000 peak watts for rv power and home essentials. Confirm exact configuration and included accessories with the seller before purchase.

Fuel-specific output

Gasoline: 3,200W running / 4,000W peak
Propane: 2,800W running / 3,000W peak

Operation & ownership

Engine: See manufacturer page
Voltage / frequency: 120v / 60 Hz
Runtime: See manufacturer page
Fuel capacity: See manufacturer page
Sound: See manufacturer page
Starting methods: Electric
Unit size / weight: See manufacturer page / See manufacturer page
Warranty: 3-year warranty

Connections

【Powerful control Panel】Easy operation panel with 1X 120 AC 30A L14-30R Outlet, DC Cigarette Lighter Outlet: 12V DC 8.3A, 2X120V AC 20A 5-20R Outlet,CO sensor, Parallel Connectors, overload reset switch and output/overload/low oil indicator LED Lights

Manufacturer feature details

【Rugged and Sturdy Frame】The frame is aluminum alloy European standard 3030 profile, high strength, compared with traditional steel pipes, it will not rust outdoors. The first none-tank generator on the market, purchase our 14.5L tank (not included) for longer fuel supply.

【DIY】You can design the generator according to your own needs.Portable and easy to move, according to customer needs, several units can be stacked to form a large generator. Extended functions -extended electric start function, extended wheel armrest function, extended fuel tank function, extended gas cylinder installation function, extended toolbox function, etc. and the fuel circuit is quickly connected by a plug, which is safe and reliable

【Parallel&Series Connection Capability】Two GENMAX 120v ONLY generators are combined into a 240V generator using a dedicated series parallel box (the series parallel box is sold separately)

【Strong Load Capacity】GM4000XiD-NFT can work stably at 3200w running watts and 4000w starting watts on gasoline, 3000w running watts and 2800w starting watts on LPG with THD less than 3% perfect for sensitive equipments such as computer and cell phone

【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

3,200 running / 4,000 peak watts
Gasoline + Propane
Electric start
CO shutdown system

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