Generac 48,000-Watt Liquid Cooled Standby Generator-QT04854ANAX at The Home Depot
Free shipping


Model # QT04854ANAX

48,000-Watt Liquid Cooled Standby Generator

Generac 48,000-Watt Liquid Cooled Standby Generator

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

$14,415.00 / each
Item cannot be shipped to the following state(s): AK,CA,GU,HI,PR,VI


In Stock



Model # QT04854ANAX

Internet # 203218333

Store SO SKU # 1000033097

Premium features on Generac QuietSource Series generators provide extra-quiet backup power for larger residential and light commercial applications. Powered by a low-speed, automotive style liquid-cooled engine, QuietSource Series models provide ultra-quiet operation during normal operation and weekly exercise mode with exclusive Quiet-Test feature. Standard all-weather aluminum enclosure with RhinoCoat paint finish delivers ultimate protection from the elements. UL Listed. This item cannot be returned.

  • If the power ever goes out, your generac standby generator system goes on - automatically - protecting you and your home or business 24/7, the engine runs on existing natural gas or LP for a continuous, worry-free fuel supply
  • Powerful low-speed, liquid cooled engine is engineered to run at only 1800 rpm for a substantially quieter generator, consuming less fuel and giving both the engine and alternator a longer life
  • Aluminum all-weather enclosure is corrosion resistant and ideal for salt air coastal communities
  • Only generac’s patented, quiet-test feature is an ultra-quiet, neighborhood-friendly self-test to validate operation
  • Choose from a wide variety of nexus smart switches for managed power or whole house backup protection, transfer switches and battery (group 26, 12 Volts and 525 CCA minimum) sold separately
  • Due to size and weight constraints, this model must be delivered to a commercial location with a loading dock, heavy-duty forklift, or other means of offloading on site
  • Click on the “More Info” tab to download the specifications pdf to view the refer a friend rebate for the $50 savings
  • Allow 30 days shipping
  • Crane Required for Delivery.

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.


Assembled Depth (in.)  33.5 in  Assembled Height (in.)  45.1 in 
Assembled Width (in.)  76.77 in  CA (CARB) Compliant  Not CARB Compliant 
Certifications and Listings  1-UL Listed,CSA Listed  Color Family  Gray 
Commercial / Residential  Commercial / Residential  Continuous Wattage  48000 
ENERGY STAR Certified  No  Engine Displacement (cc)  5.4 
Engine Make  OEM Branded  Engine manufacturer  Generac 
Height (in.)  45.1  Hour Meter  Yes 
Low oil shutdown  Yes  Manufacturer Warranty  2 year limited 
Operational volume (dB)  68  Product Height (in.)  45.1 
Product Length (in.)  76.77  Product Weight (lb.)  688 lb 
Product Width (in.)  32.36  Remote Monitoring  Sold Separately 
Response time (sec.)  20  Returnable  Non-Returnable 
Width  32.36 



Most orders process within 30 business days.

Please allow 2-6 business days for Curbside Truck Shipping (By Appointment) in the Continental U.S., plus order processing time.  Deliveries are made 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.