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Deal.ai › Ryobi
Ryobi
Ryobi 4000W Inverter RYi4000

Ryobi 4000W Inverter RYi4000

Best price now

$500.00at MercariChecked 1 h ago

31% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $500.00 at Mercari (checked Nov 15, 2026).
  • Checked at 3 stores.

Our take on the Ryobi 4000W Inverter RYi4000

The Ryobi RYi4000 is a gasoline inverter generator rated at 3,400 running watts and 4,000 starting watts, powered by a 212cc Ryobi OHV engine. It runs about 11 hours at half load on a 3.2-gallon tank and includes a CO Detect sensor that shuts the unit down when carbon monoxide builds up. It suits RVers and campers who need clean, steady 120V power for appliances and electronics, and its wheels make it movable at 85 lbs. Against inverter rivals it is a mid-weight, mid-output unit with a strong safety feature; it is louder and heavier than small camping inverters and quieter and cleaner than open-frame contractor generators.

Best forRV owners running appliances and electronicsCampers and tailgaters who need quiet 120V powerStorm and outage backup for essentialsOutdoor recreation where clean power matters
Pros
  • Inverter output gives clean power for electronics
  • CO Detect sensor shuts the engine down on dangerous carbon monoxide
  • About 11 hours at half load from a 3.2-gallon tank
  • Wheels make the 85 lb unit easier to move
  • RV outlet for direct hookup
  • UL certified to ANSI/UL2201
Cons
  • 85 lbs is heavy for one person to lift
  • Noise rating is not published
  • 120V only, no 240V output
  • Gasoline only, no propane option

Ryobi 4000W Inverter RYi4000 prices at every store

  • MercariNew

    In stock

    $500.00+ $140.00 shippingChecked 1 h ago
    Visit Mercari
  • Ryobi ToolsNew

    In stock

    $729.00Checked 1 h ago
    Visit Ryobi Tools
  • Home DepotNew

    In stock

    $729.00Free shippingChecked 1 h ago
    Visit Home Depot

Ryobi 4000W Inverter RYi4000 price history

Lowest price we've seen: $500.00 on Nov 15 at Mercari. Tracked across 3 stores since Nov 15.

From Mercari

  • Ryobi 3400-4000 Watt gasoline powered digital generator
  • New condition, never used
  • Seller states all the bells & whistles are accounted for and the generator does work
  • Buyer Protection: receive your item as described, or get your money back
Guarantee
Buyer Protection: receive your item as described, or get your money back.
Shipping
Ships from New York; free shipping event applies automatically to orders with qualifying buyer-paid shipping.

About the Ryobi 4000W Inverter RYi4000

The Ryobi RYi4000 is a gasoline-powered inverter generator. It is rated for 3400 running watts and 4000 starting watts at 120V. It is powered by a Ryobi 212cc OHV engine.

A CO Detect shutdown sensor automatically shuts the generator off, and it is classified as a low CO portable generator. It is UL certified to ANSI/UL2201. Wheels make it easier to move.

It has an RV outlet and is intended for outdoor use, such as running RV appliances, camping, recreation and storm backup power.

Continuous power
3400 running watts
Starting power
4000 watts
Voltage
120V
Engine
Ryobi 212cc OHV
Fuel type
Gas
Fuel capacity
3.2 gallons
Runtime
11 hours at 50% load
Inverter
Yes
Ports
RV outlet
CO safety
CO Detect shutdown sensor with automatic shut off
Certification
UL certified to ANSI/UL2201
Dry weight
85 lbs
Mobility
Wheels
Noise rating
Not rated
Use
Outdoor

Specifications

Engine
Ryobi 212cc
Continuous Watts
3400W
Starting Watts
4000W
Fuel Capacity
3.2 gallons
Estimated Runtime
11 hours @ 50% load
Noise Rating
Not rated
Dry Weight
85 lbs

Questions and answers

What can the RYi4000 run?
It supplies 3,400 running watts and 4,000 starting watts at 120V. That covers an RV air conditioner, fridge, lights and electronics together, or a home essentials setup during an outage.
How long does it run on a tank?
Ryobi estimates about 11 hours at 50% load from the 3.2-gallon tank. Heavier loads shorten that; light loads stretch it.
What is the CO Detect feature?
A carbon monoxide sensor shuts the generator down when CO levels rise around the unit. It is a safety backup, not a substitute for running the generator outdoors away from windows and vents.
Does it have an RV outlet?
Yes. It has an RV outlet along with standard 120V household outlets, so you can plug an RV cord in directly.
How loud is it?
Ryobi does not publish a noise rating for this model. Inverter generators are generally quieter than open-frame units, but expect noticeable engine sound at higher loads.
Is it safe to use for sensitive electronics?
Yes. Inverter technology produces clean, steady power suitable for laptops, TVs and phones, which is the main reason to choose it over a conventional generator.
Where is the Ryobi 4000W Inverter RYi4000 cheapest?
At Mercari, for $500.00, 31% under what the other stores charge, as of our latest check.
Where can I buy the Ryobi 4000W Inverter RYi4000?
3 stores we checked sell it, including Mercari, Ryobi Tools, Home Depot.

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Buying guides that pick the Ryobi 4000W Inverter RYi4000

  • Best portable generators for home backup under $1000

Stores we've priced the Ryobi 4000W Inverter RYi4000 at

  • The Home Depot deals and prices

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Inverter Technology
Yes
Fuel Type
Gas
Continuous Output
3400 running watts
Power Output
4000W
Runtime
11 Hour (at 50% Load)
Voltage
120V
Peak Output
4000 starting watts
Connectivity Ports
RV outlet
CO Sensor
Yes (CO Detect shutdown sensor), Low CO portable generator
Automatic Shut Off
CO Detect shutdown sensor
Mobility
Wheels
Engine Type
OHV engine
Engine Displacement
212 cc
Engine Brand
RYOBI
Typical Users
RVing, Campers
Environment
Outdoor
Certifications
UL certified to ANSI/UL2201
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