270-223-6302
service@BriteGenerators.com
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Franklin, KY 42134

Generac GP18000EFI Portable Generator | Model G0089170
Generac GP18000EFI Portable Generator | Model G0089170 - Image 2
Generac GP18000EFI Portable Generator | Model G0089170 - Image 3
Generac GP18000EFI Portable Generator | Model G0089170 - Image 4
Generac GP18000EFI Portable Generator | Model G0089170 - Image 5

Generac GP18000EFI Portable Generator | Model G0089170

18,000 running watts, 22,500 starting watts with electric start, COsense® safety, and 816cc EFI engine. Heavy-duty portable backup for jobsites, outdoor events, and emergency power.

$4,399.00

MPN: 12345600135 SKU G0089170 Categories , Tags , , , , Brand:

Most orders ship within 1-2 business days when in stock. Many items ship directly from our manufacturer or authorized distribution partners (including Generac facility in Wisconsin).
Delivery timelines vary by product and location.

Estimated delivery:

  • Standard parcel items: typically 5-10 business days

  • Freight (LTL) items: delivery is scheduled and can take longer depending on appointment availability and access requirements

Tracking is emailed when your order ships. Freight carriers may call to schedule delivery.

If an item is not currently available, it may be listed as Backorder. Backordered items are ordered from the manufacturer and ship when available.

Typical backorder delivery is 5–10 business days, but lead times can vary based on manufacturer availability.

Once a special order/backorder ships, it cannot be cancelled.

Some products ship by Freight (LTL) due to weight or packaging.

Freight deliveries are:

  • Curbside delivery (carrier brings it to the end of the driveway or nearest safe point)

  • Appointment-based (carrier may contact you to schedule)

Additional carrier fees may apply for:

  • Residential delivery

  • Liftgate service

  • Limited access locations

  • Re-delivery or storage due to missed appointments

If your order requires a freight quote, we will confirm delivery details and finalize shipping costs after you put in your order. We will send the final invoice for payment once we have verified the details.

Parcel (non-freight) items: returns may be accepted within 30 days of delivery if the product is new, unused, undamaged, and in original packaging with all accessories. A Return Authorization (RA) is required. Up to a 20% restocking fee may apply. Original shipping is non-refundable. Learn more by visiting our Return Policy page.

Freight (LTL) items: final sale unless the item arrives damaged or defective.

Want us to handle your generator purchase and installation? Complete our form and we’ll reach out to schedule your free consultation. 

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Description

Generac GP18000EFI Portable Generator – Model G0089170

Designed for serious backup power and high-demand jobsite use, the Generac GP18000EFI delivers 18,000 running watts and 22,500 starting watts in a rugged portable frame. Featuring COsense® carbon monoxide detection, an efficient 816cc EFI engine, and electric start with onboard battery, this generator is built for reliable performance in demanding conditions.

  • COsense® Technology: Automatically shuts down the unit when unsafe carbon monoxide levels are detected.
  • Electronic Fuel Injection (EFI): Optimized fuel efficiency and improved power delivery for consistent output.
  • TruePower™ Technology: Delivers clean electricity with less than 5% THD – safe for sensitive devices and tools.
  • Electric Start: Quick startup with the included Group U1 battery – no pulling required.
  • Low-Oil Shutdown: Engine protection system helps prevent costly damage due to low oil pressure.
  • 14.2-Gallon Fuel Tank: Runs up to 9 hours at 50% load with easy-to-read fuel gauge.
  • Heavy-Duty Frame: 1¼” hardened steel tube cradle for durability in tough conditions.
  • Portability: 12″ never-flat wheels with folding, locking handles for transport and storage.

Product Specifications

Running Watts: 18,000W
Starting Watts: 22,500W
Model Number: G0089170
Engine: Generac OHVI, 816cc EFI
Voltage: 120/240 VAC
Frequency: 60 Hz
Starting Method: Electric (battery included)
Fuel Type: Gasoline
Fuel Tank Capacity: 14.2 gallons
Run Time @ 50% Load: 9 hours
Low Oil Shutdown: Yes – Low Pressure
Automatic Voltage Regulation: Yes
Wheels: 12″ Never-Flat
Dimensions: 58.5″ L x 30.9″ W x 36.5″ H
Unit Weight: 442.8 lbs

Additional information

Weight 442.8 lbs
Dimensions 58.5 × 30.9 × 36.5 in
Power Output

18000W
Engine

EFI OHV
Start Type

Electric Start
Generator Type

Conventional

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