Generac 20,000-Watt Air Cooled Automatic Standby Generator with 200-Amp Service Entrance Rated-DISCONTINUED-5875-OL - The Home Depot


Model # 5875-OL

Internet # 204295898

20,000-Watt Air Cooled Automatic Standby Generator with 200-Amp Service Entrance Rated-DISCONTINUED

Generac 20,000-Watt Air Cooled Automatic Standby Generator with 200-Amp Service Entrance Rated-DISCONTINUED

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

$4,589.00 / each


Model # 5875-OL

Internet # 204295898

Safeguard your home or business from power outages with this Generac Guardian Series 20,000-Watt Home Standby Generator. Offering True Power technology for smooth operation of your heating, cooling and sensitive electronic devices and appliances. This generator includes a 200-Amp Nexus Smart Switch for up to whole house coverage and an external GFCI outlet for running an extension cord.

  • Includes a 200 Amp Service Entrance Rated Smart Switch for up to whole house coverage, external GFCI outlet and flexible fuel line
  • Neighborhood-friendly QuietTest mode self tests quietly
  • Dual-line, multi-lingual digital Evolution controller (English, Spanish, French, Portuguese) provides easy monitoring and management of generator functions, including runtime and maintenance intervals
  • External LED status indicator lights for quick check of system status
  • TruePower technology offers clean, smooth operation of HVAC, sensitive electronics and appliances with less than 5-percentage Total Harmonic Distortion
  • External breaker connection
  • Included composite mounting pad eliminates the need to pour a concrete base
  • All-weather aluminum enclosure prolongs the life of your generator with a corrosion-resistant finish and protection from winds up to 150 mph
  • Base fascia provides protection against debris and rodents
  • Flexible fuel line included
  • Battery must be purchased separately: Group 26R, 12 Volts and 525 CCA minimum
  • 20,000-Watt running power with liquid propane fuel and 18,000-watt running power with natural gas
  • 999 cc OHVI engine requires fewer scheduled maintenance checkups


Assembled Depth (in.)  25 in  Assembled Height (in.)  29 in 
Assembled Width (in.)  48 in  Height (in.)  25 
Product Height (in.)  25  Product Length (in.)  48 
Product Width (in.)  29  Width  29.00 
Color Family  Gray  Commercial / Residential  Commercial 
Continuous Wattage  20000  Engine Displacement (cc)  999 
Engine manufacturer  Generac  Hour Meter  Yes 
Low oil shutdown  Yes  Operational volume (dB)  66 
Product Weight (lb.)  451 lb  Remote Monitoring  Sold Separately 
Response time (sec.)  30  Returnable  Non-Returnable 
UL Listing  1-UL Listed 
Warranty / Certifications
Certifications and Listings  1-UL Listed,CSA Listed  ENERGY STAR Certified  No 
Manufacturer Warranty  5 Year 


Rated 5 out of 5 by 1 reviewer.
Rated 5 out of 5 by This is a great product at a reasonable price. Easy to use and provides a lot of piece of mind when it comes to electrical outages. Item was shipped quickly and delivered during the time frame promised. June 18, 2013
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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.