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Generac Guardian 18kW Home Backup Standby Generator w/ 200A SE Transfer Switch

Model: 7228 - Standby Generator  |  Item Number: 7228
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Reg. Price: $5,369.00 $5,647.00
CARB Compliant Power Equipment


Features for the Generac 7228 - Standby Generator

True Power™ Technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances.

Generac generators and engines are engineered and assembled in the USA. Assembled in the USA using domestic and foreign parts.

Generac's G-Force Engine is a purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power that’s more reliable and requires less routine maintenance than any competitive engine.

Quiet-Test™ Self-Test Mode runs at a lower RPM for a five- or twelve-minute test, making generators significantly quieter than other brands while consuming less fuel.

Tough, Durable All-Aluminum Enclosures: Our RhinoCoat™ powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.

Smart, User-Friendly Controls.  Generac’s Evolution™ Controller features a multilingual LCD display that allows users to monitor battery status and track maintenance intervals to ensure your generator is always in top operating condition.

Mobile Link™ Remote Monitoring FREE with every Guardian Series Home standby generator Allows you to monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC. Easily access information, such as the current operating status and maintenance alerts. Connect your account to your authorized service dealer for fast, friendly, and proactive service. With Mobile Link, you are taken care of before the next power outage.



Model: G007228 (18 kW)

Rated Maximum Continuous Power Capacity (LP): 18,000 Watts

Rated Maximum Continuous Power Capacity (NG): 17,000 Watts

Rated Maximum Continuous Load Current- 240 Volts (LP/NG): 75.0 / 70.8

Main Line Circuit Breaker: 80 Amp

Battery Requirement (not included): 12 Volt, Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum

Unit Weight (lb./kg.): 420/191

Dimensions (L x W x H) in/mm: 48 x 25 x 29 / 121.9 x 63.5 x 73.7

Sound output in dB(A) at 23 ft. (7 m) with generator operating at normal load: 65

Sound output in dB(A) at 23 ft. (7 m) with generator in Quiet-Test low-speed exercise: 55

Exercise duration: 5 min


Engine type: Generac G-Force 800 Series

Number of cylinders: 2

Displacement: 816 cc

Cylinder block: Aluminum w/ cast iron sleeve

Valve arrangement: Overhead valve

Lifter type: Hydraulic

Ignition system: Solid-state w/ magneto

Governor system: Electronic

Compression ratio: 9.5:1

Starter: 12 VDC

Oil capacity including filter: Approx. 2.2 qtr./ 2.1 L

Operating rpm: 3,600

This product may contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to

Technical Specs for the Generac 7228 - Standby Generator*

* These Technical Specs are provided by the manufacturer at the beginning of the model year. Please be aware that the manufacturer may decide to change these specs at any given time without notice.

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