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GENMAX 4000-Watt Inverter Generator, Gasoline, Recoil Start, Lightweight and Quiet, 145cc OHV Engine GM4000iA

GENMAXModel GM4000iA

GENMAX 4000-Watt Inverter Generator

  • Peak4,000W
  • Running3,200W
  • FuelGasoline
  • StartRecoil
Black Friday price
$349.00

Black Friday price ends in —

In stock Ships within 24 hours

Free delivery Thu, Nov 5 – Tue, Nov 10 if you order today, by UPS or FedEx Ground to your door.

Other versions of this model

This one$349.00GM4000iSBEPC · Electric start$509.00GM4000XiD-NFT · Dual fuel$509.00
  • Free shipping48 states + DC
  • 30-day returnsReturn shipping on us
  • Full warrantyBrand-new, from the maker
  • Secure checkoutEncrypted by Stripe
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Questions before you buy? Our small team in Wilmington, NC answers every message personally. Email [email protected]

A lightweight GENMAX gas inverter generator with a 145cc OHV engine, delivering 4,000 starting and 3,200 running watts.

Running watts
3,200 W
Starting watts
4,000 W
Fuel
Gasoline
Start
Recoil
SKU: GM4000iA
Category: , ,

A lightweight GENMAX gas inverter generator with a 145cc OHV engine, delivering 4,000 starting and 3,200 running watts. Clean inverter power keeps laptops, phones, speakers and TVs safe, making it a strong fit for camping and tailgating. Highlights. 4,000 starting / 3,200 running watts. 145cc OHV engine. Clean inverter power for sensitive electronics. Lightweight and quiet for camping and tailgating. Recoil start. Specifications. Brand: GENMAX. Category: Inverter Generators. Starting / running watts: 4,000 W / 3,200 W. Fuel: Gasoline. Start: Recoil start. Engine: 145 cc OHV. Engine type: Inverter. Model number: GM4000iA. Warranty: Manufacturer warranty. Good to know. Run it outdoors only, well away from windows, doors and vents. Never run a generator in a home, garage or enclosed space. To power circuits in your home, have a licensed electrician install a transfer switch or interlock. Never back-feed through a wall outlet. Check the oil and fuel requirements in the manual before the first start. Shipping, returns and warranty. Ships free by freight to your curb or driveway anywhere in the contiguous US. Orders are processed within 0-24 hours and typically arrive in 2-5 business days. 30-day returns, and we pay the return shipping. Covered by the manufacturer’s warranty. We help you file any warranty claim with GENMAX. Questions? Email [email protected].

Full specifications

BrandGENMAX
ModelGM4000iA
Running watts3,200 W
Starting watts4,000 W
FuelGasoline
StartRecoil
How it shipsUPS or FedEx GroundTo your door, free
Order today, deliveredThu, Nov 5 – Tue, Nov 10Leaves our warehouse within 24 hours

Tracking is emailed as soon as it ships.

We ship to the 48 contiguous states and Washington, DC. Shipping details · 30-day free returns

Brand-new, with the full manufacturer’s warranty. The terms are set by GENMAX and included in the box. If something goes wrong, contact us first: we confirm the next steps within 2 business days and help you file the claim.

How warranty claims work

What it can run

3,200 W running, 4,000 W starting

Pick what you want to power at the same time.

Typical wattages – check the label on your own appliances. Where only one figure is published, running watts are estimated at 80% of the starting figure. Connect to house circuits only through a transfer switch or interlock fitted by a licensed electrician.

Compare similar generators

Same power class, side by side.

SpecificationGENMAX 4000-Watt Inverter Generator, Gasoline, Recoil Start, Lightweight and Quiet, 145cc OHV EngineThis generator$349.00Maxpeedingrods MXR4000GT-US Dual Fuel Inverter Generator 3200W/4000W Low THD Parallel RV Ready CO Alert Bluetooth Control$519.00DuroStar DS4000WGE 3500W/4000W 210 Amp Electric Start Welding Generator$909.00
Running watts3,200 W3,200 W3,500 W
Starting watts4,000 W4,000 W4,000 W
FuelGasolineGasoline or propane—
StartRecoil—Electric
Safety—CO shutdown sensor—
LinkYou are hereView →View →

Questions and answers

Answered by our team in Wilmington. Can’t find yours? Ask below.

Can I connect this generator to my house?
Only through a transfer switch or an interlock kit installed by a licensed electrician. Never plug a generator into a wall outlet: it can back-feed the utility line and endanger line workers. Connecting safely.
What can it run at the same time?
Use the What it can run planner above: tick your appliances and it checks both the running load and the start-up surge against this generator.
Does it ship with oil?
It depends on the manufacturer. If oil is included it is listed under What’s in the box; otherwise use the grade given in the owner’s manual before the first start.
Can I use it in the rain?
Not uncovered. Run it on a dry surface under an open, canopy-like cover, at least 20 feet from doors, windows and vents, and never in a garage.
How will it be delivered?
Free, by UPS or FedEx Ground to your door, usually within 2–5 business days after it ships. Tracking is emailed as soon as it ships.
What if it arrives damaged?
Photograph it and email us within 48 hours of delivery. We replace or refund damaged items at no cost to you.
Ask a questionWe reply personally by email.

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