Generac 6551 Guardian 22kW/19.5kW Standby Generator Manufacturer RFB
Manufacturer: Generac
SKU: 6551
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Product Overview
- Factory Refurbished
- Generac 22kW with 200-Amp Automatic Transfer Switch
- Generac G-Force V-Twin Overhead Valve Industrial Engine
- Certified for 18” to Home Installation
- Included Composite Pad Sits Directly on Soil
- Natural Gas or LP Gas Operation
- All Weather Aluminum Enclosure with Improved Locking System
- Access all Electrical, Fuel, and Battery Connections Under a Single Removable Panel
- 1-Year Limited Warranty



1 year factory warranty
Includes 200 Amp Transfer Switch
Factory Refurbished
Ships directly from Generac
Works with liquid propane or natural gas
Authorized Generac dealer
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Features
- 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.
- Up to whole house protection with the 200-amp PWRview, NEMA 3R (aluminum outdoor enclosure) smart switch.
- 5 Year Limited Warranty for automatic standby generators.
- 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*.
- 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.
- 24/7/365 Customer Support Team standing by all day, every day from our headquarters in Wisconsin to answer any questions you might have.
- Our RhinoCoat™ powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.
- 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.
Specifications
Model Number | 6551 |
Manufacturer | Generac |
Made In USA | Yes |
Rated Watts | 22kW Propane / 19.5 kW Natural Gas |
Rated Amps | 100-Amps |
Voltage | 120/240-Volts |
AC Ton Rating | 5-Ton |
Enclosure | Aluminum |
UL Listed | UL-2200 |
Decibel Rating 7m | 57 dBA Quiet Test Exercise / 67 dBA Full Load |
Type | Standby Generator |
Series Name | Guardian Series |
Features | |
Starting System | Automatic |
Low Oil Alert | Low Oil Shutdown |
Mainline Breaker | 100-Amps |
Battery Requirements | 12-Volt Group 26R 540 CCA / Group 35AGM 640 CCA |
Mounting Pad | Yes |
Weight | 445 lbs |
Dimensions | 48L X 25W X 29H |
Engine | |
Engine Brand | Generac G-Force |
Engine Size | 999 cc |
Engine RPM | 3600 |
Cast Iron Sleeve | Yes |
Cooling System | Air-Cooled |
Alternator | |
Alternator Type | 2-Pole Rotating Field |
Frequency | 60 Hz |
Auto Voltage Regulation | Yes |
Fuel | |
Type | Natural Gas or Propane |
Gauge | No |
NG Consumption Full Load | 306 Cubic-feet / hour |
NG Consumption Half Load | 203 Cubic-feet / hour |
LP Consumption Full Load | 3.9 Gallons / hour |
LP Consumption Half Load | 2.5 Gallons / hour |
Transfer Switch | |
Model | RXS200A3 |
Switch Amps | 200-Amps |
Switch Circuits | Whole House Service Rated Switch with Home Energy Management System |
ATS Poles | 2 |
Switch Weight | 39.0 lbs |
Warranty Information | |
Consumer Warranty | Generac 5-Year Limited Warranty |
Package Contents
Generac 6551 22kw Standby Generator
200 Amp NEMA 3
Aluminum Enclosure
Composite Pad
User's Manual
Warranty



This item comes with a 1 year factory warranty.
Manuals & Documentation
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