Search  for anything...
Generac

Generac 7706 GP18000EFI 18,000-Watt Gas-Powered Electric-Start Portable Generator with Cosense & EFI Engine, Transfer Switch Compatible

  • Based on 7 reviews
Condition: New
Checking for the best price...
$6,299.00 Why this price?

Buy Now, Pay Later

As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Only 1 left in stock, order soon!
Fulfilled by D & K ENTERPRISES,USA INC.
Arrives Friday, Jun 12
Order within 7 hours and 44 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Features

  • COsense Technoology Stops. Alerts. Saves. Powerful protection against hazardous carbon monoxide
  • Generac 816cc EFI Engine Delivers the right amount of power to get the best performance and efficiency out of your engine
  • TruePower Technology With less than 5% THD, safely powers sensitive electronics and tools
  • Low-Oil Pressure Shutdown Automatically safeguards engine from damage
  • Large Capacity Fuel Tank With incorporated fuel gauge, provides durability and extended run times
  • Homelink Manual Transfer Switch Compatible When paired with a manual transfer switch, the GP18000EFI is powerful enough to provide whole home backup and is a great alternative to a Home Standby Generator.
  • Hardened 1 14 Steel Tube Cradle For added strength and durability
  • Hour Meter Tracks maintenance intervals
  • Heavy-Duty, Never-Flat Wheels For reliable portability
  • Electric Start Battery Included Provides hassle-free start-up

Description

From emergency home backup to DIY projects to the jobsite, the Generac GP18000EFI portable generator provides high wattage, dependable portable power. Equipped with an 816cc engine with Electronic Fuel Injection, the GP18000EFI delivers power efficiently, providing up to 9 hours of runtime at 50% load. TruePower™ Technology safely powers sensitive electronics, appliances and tools while onboard COsense® Technology provides powerful protection against hazardous carbon monoxide. The GP18000EFI also features electric start (battery included), low-oil shutdown protection, circuit breaker protected outlets and an hour meter with maintenance resets. The included never-flat wheel kit and available lifting eye accessory make transportation easy around the home or jobsite.

Brand: Generac


Wattage: 18000 watts


Fuel Type: Gasoline


Power Source: gas_powered


Recommended Uses For Product: Commercial, Residential


Voltage: 120 Volts (AC)


Output Wattage: 18000 Watts


Special Feature: Durability,Electric,Electric-start


Included Components: Battery


Color: Transfer Switch Compatible


Wattage: 18000 watts


Fuel Type: Gasoline


Power Source: gas_powered


Recommended Uses For Product: Commercial, Residential


Voltage: 120 Volts (AC)


Output Wattage: 18000 Watts


Additional Features: Durability,Electric,Electric-start


Engine Type: Internal Combustion Engine with Electronic Fuel Injection


Ignition System Type: electric start


Tank Volume: 5 Gallons


Engine Displacement: 816 Cubic Centimeters


Total Power Outlets: 6


Engine Power Maximum: 18 Kilowatts


Starting Wattage: 18000 Watts


Running Wattage: 18000 Watts


Frequency: 50 Hz


Runtime: 9 hours


Brand Name: Generac


Included Components: Battery


Model Name: GP18000EFI


Model Number: 7706


UPC: 696471083101


Manufacturer: Generac


Manufacturer Part Number: 7706


Unit Count: 1.0 Count


Item Type Name: 18,000-Watt Gas-Powered Electric-Start Portable Generator with Cosense & EFI engine


Warranty Description: 3 Year Limited Warranty


Item Dimensions L x W x H: 58.5"L x 30.9"W x 35.6"H


Color: Transfer Switch Compatible


Material Type: Metal, Plastic


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jun 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • 1.5 Year Review
Bought this generator in March 2024 after lightning stuck a transformer near my house and was without power almost 24 hours. Plus; living near the coast, one really needs backup emergency power. This ‘portable’ generator is HEAVY (almost) 500 lbs and I’m only 5’5, 130#, so I did have concerns about putting it together since the wheels must be installed. Fortunately; the delivery driver was cool with bringing it (on an hand truck) into my garage while I pondered a day to figure out how to get the wheels on. Ended up leaving it on the skid; scooting it over enough to put one wheel on then maneuvered it around to put the other wheel on (where there’s a will…). Next; I poured a cement slab to sit the generator on and added a 50 amp transfer switch to my breaker box. Also bought 2 15-gallon rolling gas cans with pump action (you do not want to be lifting gas cans to fill the tank). I ended up having to run the generator 4 times last year ranging from a few hours to 4 days. It powered my 2200 sq ft house with two a/c units and never missed a beat. It will run for about 6 hours on one tank of gas with both a/c units. I haven’t had to use it this year, but I start it up every 6 weeks and it fires up without hesitation. Changing the oil is easy. You might consider a fuel preservative to keep the gas fresh. I also invested in a custom, heavy-duty weatherproof cover as it sits outside year-round. Really glad I invested in this generator because I never worry about losing power. ... show more
Reviewed in the United States on September 27, 2025 by Sivart
    • Runs like a champ!
Update August 2024 : Ran this beast during a power outage in the middle of the summer heat. It powered up instantly and ran the geothermal cooling and everything in our home with no problem. It was very efficient on gas usage and we were pleasantly surprised at only needing to top it up once. Noise levels were definitely lower than the smaller generator units our neighbors were using. Original review : We got this generator to replace our smaller generac 7500 unit. We needed a really powerful generator to handle the initial draw of the geothermal system we recently installed. We switched from oil heat to geothermal and that means that if the electricity goes out, the heat goes out too! This one is a beast and about the size of a car engine. Oddly enough, it rolls better and is even quieter than our smaller unit. It shipped carefully packaged and with no damage at all. The delivery company scheduled delivery when I was home and the driver was kind enough to hang around while I unpackaged the generator to make sure it was ok. We had an electrician out to set it up and there were a few expenses we did not think of. We need the 50 amp aspect to run the geothermal. This meant replacing the plug that connects the generator to the house to a 50 amp and replacing the cable. This unit uses the generac 6389 cable which is quite pricey as well. I stuck with generac because the last thing I need to do is lose power between the generator and the house because I bought a cheapo cable. I love the push button start, the way the unit is balanced so that I can roll it in and out easily. The fold down handles are easily folded out of the way. When it runs to power the house, it does so without a flicker or a blip. And it can seriously run everything! Now to buy bigger gas canisters and a larger gen-tent for bad weather. Very happy with this purchase. ... show more
Reviewed in the United States on October 27, 2023 by Iris74
    • Power!
Just went through a 3 day power outage. I had the 18000EFI for just two days prior; perfect timing. Wheeled it out, plugged it in, flipped the 50amp breaker, turned the key, pulled the transfer switch to generator and powered everything in my 5000 sq/foot home. I upgraded from a 12000 watt generator and while it was reliable it could not supply both central a/c units or both furnaces and labored to supply the microwave. The 18000/22000 takes the loads effortlessly. It is heavy at just shy of 500lbs. Needed to use a jack to mount the wheels but once installed it was no problem moving it on level ground. Engine oil was supplied with the unit. Added oil and gas, turned the key and It fired right up. No choke as it is fuel injected. It is not the most quiet unit on the market but that’s to be expected with the engine size. Fuel consumption was above the average advertised but again, I powered the whole house so it was under a constant load. It ran flawlessly for 3.5 days non stop with no issues. I’m actually looking forward to the next outage. ... show more
Reviewed in the United States on August 8, 2023 by Amazon Customer
    • Great item
Great item
Reviewed in the United States on November 14, 2023 by Mark

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...