GENMAX · Inverter generator

GM8500iAED

Gasoline + Propane inverter generator with 8,500 peak watts

6,500W running8,500W peak312cc OHVGasoline + Propane

Compare retailer offers Retail pricing varies

GENMAX GM8500iAED 8500 Watt Remote Start Gasoline Propane Inverter Generator — Official product image: GENMAX

Visual spec gallery

The deciding numbers, made scannable.

Scroll sideways to explore →

01 · Maximum output

8,500W peak

Continuous output6,500W running

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

02 · Fuel output

Gasoline + Propane

Gasoline

6,500W run · 8,500W peak

Propane

5,850W run · 7,200W 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

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.

Official GENMAX GM8500iAED product image 1 — Official GENMAX image 1 of 5

Official GENMAX GM8500iAED product image 2 — Official GENMAX image 2 of 5

Official GENMAX GM8500iAED product image 3 — Official GENMAX image 3 of 5

Official GENMAX GM8500iAED product image 4 — Official GENMAX image 4 of 5

Official GENMAX GM8500iAED product image 5 — Official GENMAX image 5 of 5

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

6,500 running watts and 8,500 peak watts for home backup and rv power. Confirm exact configuration and included accessories with the seller before purchase.

Fuel-specific output

Gasoline: 6,500W running / 8,500W peak
Propane: 5,850W running / 7,200W peak

Operation & ownership

Engine: 312cc OHV
Voltage / frequency: See manufacturer page / 60 Hz
Runtime: 8.5 hrs at 50% load with 3
Fuel capacity: 3.3 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, battery charging port, automotive inspired digital data center display, 1 x duplex 5-20R 20A 120-Volt, 1 x TT-30R 30A 120-Volt, 1 x 14-50R 50A 120/240-Volt, 1 x USB-A, 1 x USB-C

Manufacturer feature details

Robust engine: 312cc OHV high performance 4-stroke engine, fuel-efficient, reliable, powerful providing long life and excellent heat dissipation

High output: 8,500 starting watts with 6,500 running watts on gasoline and 7,200 starting watts with 5,850 running watts on propane, this powerful portable inverter generator is the ideal product for your tailgating and camping needs

Low idle with portability: compact design with telescopic handle and wheels for portability, low idle technology gives you a run time of 8.5 hrs at 50% load with 3.3 gallon fuel tank

Low idle with portability: compact design with telescopic handle and wheels for portability, low idle technology gives you a run time of 7.3 hrs at 50% load with 3.6 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.

Home Depot FactoryPure

Best-fit uses

Home backup
RV power
Jobsite tools
High-demand loads

Standout features

6,500 running / 8,500 peak watts
Gasoline + Propane
Remote start
CO shutdown system

Compare it with your actual load.

Run your essentials through the calculator before choosing a generator.

Check my power plan

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