Generac Protector Series 20,000-Watt Liquid Cooled Automatic Standby Diesel Generator-RD02023ADAE at The Home Depot


Model # RD02023ADAE

Internet # 205506797

Protector Series 20,000-Watt Liquid Cooled Automatic Standby Diesel Generator

Generac Protector Series 20,000-Watt Liquid Cooled Automatic Standby Diesel Generator

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

$11,999.00 / each


In Stock



Model # RD02023ADAE

Internet # 205506797

Generac’s new Protector Series diesel generators raise the bar for residential and light commercial diesel generators. Building and zoning codes can vary wildly from one region to another. In the past, the only answer was to order expensive, custom-configured solutions. Until now. Generac’s diesel-powered Protector Series features Code Ready, a set of popular preconfigured options and a range of code-driven accessories, so you can feel confident that your generator will be able to conform to the required local codes. The Protector Series is versatile, adaptable, meets UL requirements, and is an affordable optional standby diesel generator for your backup power needs.

  • Evolution controller - the next generation of intuitive controllers featuring a multilingual, 2-line LCD text display with color-coded, backlit buttons
  • Quiet-Test -protector series diesel generator with Quiet-Test, a weekly self-test mode that runs at a lower RPM is quieter and consumes less fuel
  • 5 year limited warranty -we are proud of our innovative product design, high quality and first-class reliability so we stand behind them with a strong 5-year limited warranty
  • Code ready -the protector series offers compatibility with a variety of environments, with external vent and fill, a UL/CUL 142-listed, double walled base tank, a UL/CUL 2200-listed generator, and a wide range of code-driven accessories
  • External viewing window for easy inspection of generator status and breaker position
  • Removable doors for easy service and fuel fill access
  • Isochronous governor - electronic governor control for tight and precise load response and voltage (+/- 1%) and frequency regulation
  • 24/7 Generac customer care support 365 days a year; power outages do not always occur during normal working hours that is why we are standing by


Assembled Depth (in.)  81 in  Assembled Height (in.)  50 in 
Assembled Width (in.)  31 in  CA (CARB) Compliant  Not CARB Compliant 
Certifications and Listings  1-UL Listed  Color Family  Gray 
Commercial / Residential  Commercial / Residential  Continuous Wattage  20000 
ENERGY STAR Certified  No  Engine Displacement (cc)  2280 
Engine Make  OEM Branded  Height (in.)  51 
Hour Meter  Yes  Low oil shutdown  Yes 
Manufacturer Warranty  5 Year Limited  Operational volume (dB)  70 
Product Height (in.)  50  Product Length (in.)  81 
Product Weight (lb.)  1455 lb  Product Width (in.)  31 
Remote Monitoring  Sold Separately  Response time (sec.)  30 
Returnable  30-Day  Width  31 



Curbside Truck Shipping (By Appointment) includes delivery 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.