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Generac Power Systems

Model #

8917

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Generac 18000 Watt Generator with COSense Automatic Carbon Monoxide Shutdown GP18000EFI | 8917

  • Generac 18kW Generator GP18000EFI
  • COSense—Automatic CO Shutdown
  • CARB Compliant—50 State Emissions
  • 18000 Running Watts | 22500 Starting Watts
  • TruePower Technology—Less than 5% THD
  • Large Capacity Fuel Tank—9 Hours at 50% Load
  • Electric Start—Battery Included
  • 816cc OHVI EFI Engine
  • Generac 3-Year Limited Consumer Warranty

Generac Power Systems 8917 Details and Specifications

Generac 18kW Generator

18000 Watts     22500 Starting Watts    COSense Auto Shutdown     Electric Start    CARB/EPA 50-State

The Generac GP18000EFI is an 18000 Watt Generator with COSense Technology that automatically shuts down in the presence of Carbon Monoxide. It features an 816cc Electronically Fuel Injected (EFI) and TruePower Technology for less than 5% Total Harmonic Distortion. Clean, safe power for sensitive electronics, large appliances, power tools, and construction equipment. An hour meter helps track maintenance periods.

This Generator is compatible with HomeLink Manual Transfer Switch Kits HomeLink 50-Amp and HomeLink 30-Amp (sold separately.)

Meets CARB and EPA Requirements. For sale and use in all 50 States.

COSENSE Carbon Monoxide Detection and Shutdown

The GO18000EFI generator is for outdoor use only, positioned away from homes and other buildings, with the exhaust pointed away from any persons or buildings.

Carbon Monoxide (CO) is an odorless, invisible gas produced by internal combustion engines and any device that burns a fuel to produce heat or energy. This generator is equipped with a carbon monoxide sensor that shuts the generator down when it detects rising CO levels above a preset threshold. The COSense shutdown feature adds an extra measure of safety to prevent carbon monoxide poisoning caused by misuse.

Generac states that the 8917 GP18000EFI generator may NOT run indoors. Know your generator—read the owner manual.

Generac 18000 Watt Generator

The Generac 18000 Watt Generator has enough power to run most mid-size to large homes. The 14.2-gallon steel tank with built-in gauge provides a run time of up to 9 hours at 50% rated load. Electric Start with the included battery makes it simple to run. Placement is easy with the locking folding handles and 12-inch never flat wheels. The control panel provides a bevy of receptacle options. 

Generac GP18000EFI Receptacles

(2) 120-Volt 20-Amp*  

5-20R Duplex

4 Household Outlets

(1) 120-Volt 30-Amp Locking*

L5-30R

RV, Generator Cord Outlets

(1) 120/240-Volt 30 Amp Locking**

L14-30R

30 Amp Transfer Switch, Large Appliance, Multioutlet Extension Cord

(1) 120/240-Volt 50 Amp**

14-50R

50-Amp Transfer Switch, Large Appliance, Multioutlet Extension Cord

*120-Volt outlets have single-pole pushbutton circuit breakers.

**120/240-Volt outlets have two-pole toggle-type circuit breakers.

18kW Portable Generator

Generac’s 18kW Portable Generator 816cc EFI engine provides the right amount of power for the best performance and efficiency. Generac rates the generator at 18000 watts and 22500 starting watts. The engine features fully pressurized lubrication and automatic low oil shutdown to prevent engine damage. The GP18000EFI has Automatic Voltage Regulation (AVR).

Consumer Warranty: Generac 3-Year Limited Warranty.

Commercial Warranty: Generac 2-Year Limited Warranty.

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Generac Power Systems

Model #

8917

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