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Model # 5818
MSRP: $3,799.00
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Generac 6kW Propane Air Cooled EcoGen Standby Generator

  • Electronic Governor
  • External Main Circuit Breaker
  • Sound Attenuated Enclosure
  • Flexible Fuel Line Connector
  • Composite Mounting Pad
  • LP Gas Operation Only
  • Advanced Oil Circulation System
  • Easy Inverter Connections
  • 120V (240V Capable with Conversion)
  • 2000 Hour / 3 Year Limited Warranty

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Generac Power Systems 5818 Details and Specifications

Generac 6kW LP (Propane) Air Cooled EcoGen Standby Generator

Emissions: 49 State Compliant, Not for sale to California

Purpose Built for Renewable Energy Applications: Designed specifically to interact with off-grid renewable energy applications. Generac introduces the first generator intended for alternative energy interaction. Capable of tying into an inverter and battery storage system, this provides the cleanest running, low emission solution to recharging house batteries.

Extended Run Capability This innovative oil circulation system extends the maintenance intervals by an unprecedented 5 times the industry standard by offering 500 hour maintenance intervals.

Electronic Governor
External Main Circuit Breaker
Flexible Fuel Line Connector
Composite Mounting Pad
LP Gas (Propane) Operation Only
UL 2200 Listed
Easy Inverter Connections
120V (240V Capable with Conversion)

Warranty Information

Manufactures Warranty: 3 Year Limited

Product Specifications

Model Number 5818
Series EcoGen
Manufacturer Generac Power Systems
Made In USA Yes
Rated Watts 6kW
Rated Amps 50 Amps (25 after conversion)
Voltage 120V (240 VAC capable w/kit)
Enclosure Weather Protective
UL Listed Yes
Decibel Rating 52
Starting System 2 Wire Start
Low Oil Alert Low Oil Pressure Shutdown
Battery Requirement Requires 12Volt-Group26R-525CC
Mounting Pad Included
Product Weight 387 lbs
Dimensions (Inches) 48L x 25W x 29H
Engine Brand Generac OHV
Engine Size 530 cc
Engine RPM 2600
Cast Iron Sleeve Yes
Cooling System Air Cooled
Alternator Type Brushed
Frequency 60 Hz
Auto Voltage Regulation Yes
Fuel Type LP (Propane Only)
LP Power Capacity 6000
LP Consumption @ Full Load 1.32 gal./hr.
LP Consumption @ 1/2 Load .85 gal./hr.
Warranty Information
Consumer Warranty 3 Year/2000 Hour Limited
Shipping Weight 487 lbs
Shipping Dimensions 44H x 51W x 26D
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Shipping Terms

All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

Some restrictions apply to "Free Shipping" you may either view our
Shipping Information page or contact us for details.