Generac 6,000-Watt Liquid Propane-Fueled Automatic Backup Generator for Off-Grid Alternative Energy Systems-5818 at The Home Depot
Free shipping


Model # 5818

6,000-Watt Liquid Propane-Fueled Automatic Backup Generator for Off-Grid Alternative Energy Systems

Generac 6,000-Watt Liquid Propane-Fueled Automatic Backup Generator for Off-Grid Alternative Energy Systems

This item has been discontinued.
The Home Depot no longer carries this specific product.

$3,674.00 / each
Item cannot be shipped to the following state(s): AK,CA,GU,HI,PR,VI


In Stock



Model # 5818

Internet # 202553564

Store SO SKU # 1000032961

Designed specifically to interact with off-grid renewable energy applications, the EcoGen 6 kW is the first generator intended for alternative energy system standby power. It's engineered to easily integrate into an inverter and battery storage system, providing the cleanest running, low emission solution for recharging battery banks. Changes maintenance intervals are extended by an unprecedented five times the industry standard with 500 hours between oil. Integrated smart charging system only charges the battery when necessary, Three position switch allows for automatic, off and manual functions.

  • Clean burning propane fuel increases efficiency, contributes to longer engine life, and produces significantly less carbon monoxide than gasoline fueled engines
  • Weather protective steel enclosure features our RhinoCoat finish system, providing exceptional protection from the elements on not only the enclosure, but also the base frame
  • Nexus digital controller features an LCD display with status indicators, monitors generator performance, and also records any issues for easy troubleshooting
  • Capable of 120 volt or 240 volt - factory wired for a full 6 kw at 120 vac, with the capability to be reconfigured for a full 6 kw output at 240vac to accommodate larger 240 volt inverter systems or two systems paired together
  • Factory equipped with two-wire start to easily connect to the inverter control wires. It enables the inverter to automatically start and stop the generator in order to charge the system batteries as necessary
  • Ultra quiet, low RPMs - only 52 db(a) under normal load! Vertically mounted, belt-driven engine drives at 2600 RPMs, resulting in a longer life and drastically quieter operation than other systems
  • Warranty - backed by an unprecedented 3 year/2000 hour limited warranty when used off-grid in an alternative energy system
  • Not for sale in California
  • Extended run capability and long life are gained from our exclusive premium oil recovery and circulation system that virtually halts oil degradation
  • Click on the “More Info” tab to download the specifications pdf to view the refer a friend rebate for the $50 savings
  • This item comes with 4 week lead times
  • Home Depot Protection Plan:

    Home Depot Protection Plan

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.


Assembled Depth (in.)  25 in  Assembled Height (in.)  29 in 
Assembled Width (in.)  48 in  CA (CARB) Compliant  Not CARB Compliant 
Certifications and Listings  1-UL Listed,CSA Listed  Color Family  Gray 
Commercial / Residential  Residential  Continuous Wattage  6000 
ENERGY STAR Certified  No  Engine Displacement (cc)  530 
Engine Make  OEM Branded  Engine manufacturer  OHVI 
Height (in.)  29  Hour Meter  Yes 
Low oil shutdown  Yes  Manufacturer Warranty  3 years limited 
Operational volume (dB)  59.0  Product Height (in.)  29 
Product Length (in.)  48  Product Weight (lb.)  387 lb 
Product Width (in.)  25  Remote Monitoring  Unavailable 
Response time (sec.)  20  Returnable  Non-Returnable 
Width  25.00 



Most orders process within 3 business days.

Please allow 2-6 business days for Curbside Truck Shipping (By Appointment) in the Continental U.S., plus order processing time.  Deliveries are made to receiving area/dock for Businesses or curbside for Residential orders. The carrier will contact you to make a delivery appointment with a 4 hour window once the items have arrived at the local hub in your area.  Delivery appointments are required.

If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.