Generac 5818

6 kW, 120V Steel Standby Generator for Off Grid Applications from the EcoGen Series

Item # BCI2137353   |   Model # 5818

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This item cannot be shipped to the following location(s): CA

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Retail Price: $4,598.99, Your Savings: 20%
Liquid Propane
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Configure your Generac 5818 6 kW, 120V Steel Standby Generator for Off Grid Applications from the EcoGen Series

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6 kW 120V Steel Standby Generator for Off Grid Applications from the EcoGen Series

Product Features:

  • Designed to interact with off-grid renewable energy applications like solar and wind power (Not intended for grid-related utility backup use)
  • 6kW of power ensures your battery bank will always have a charge
  • Connects to existing liquid propane fuel supply for easy and efficient power
  • Covered under 3 Year / 2,000 hour limited warranty when used for off-grid alternative energy systems
  • Weather resistant RhinoCoat™ paint finish
  • Nexus Digital Controller with LCD display provides system status, monitors performance, and only charges the battery bank when necessary
  • UL Listed to UL2200 Engine / Generator Standard for Safety


  • Generac OHVI Engine: This two cylinder overhead valve industrial engine features plateau honed cylinder walls and plasma moly rings resulting in lower operational temperatures and longer engine life
  • Engine Displacement: 530cc
  • Engine RPM: 2600 (Revolutions per Minute)
  • Air Cooled
  • Includes Low Oil Alert and Automatic Shutdown

Product Technologies / Benefits:

  • Clean-burning propane fuel increases efficiency, contributes to longer engine life, and produces significantly less carbon monoxide than gasoline fueled engines
  • Extended Run Capability & Long Life: Exclusive premium oil-recovery and circulation system greatly reduces oil degradation, resulting in greatly extended maintenance intervals, with up to 500 hours between oil changes
  • Quiet Performance: The vertically mounted, belt driven engine operates at 2,600 RPM, producing a mere 52 dBA at normal load
  • Easy Installation and Integration: Engineered to easily integrate into the existing inverter and battery storage system

Product Specifications:

  • Overall Height: 29”
  • Overall Length: 48”
  • Overall Width: 25” 
  • Product Weight: 387 lbs
  • Noise Rating at Normal Operating Load: 52 dbA
  • LP Power Capacity: 6kW
  • LP Consumption (50% Load): 0.76 Gallons per hour

Additional Generac Links

This Generac item can also be referenced by the following color/finish specific model #:

  • Generac 5818
    Liquid Propane

*Discontinued model or finish

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Product Videos

  • Generac Standby Generator Saves the Day
    Learn about Generac Standby Generators and how they saved the day in a small mid west town.
  • Generac Standy Generator Commercial
    Watch the Generac Standby Generator Commercial.

Installation Resource Center

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