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Generac Guardian™ 17kW Home Standby Generator

Generac Guardian Electric Generators and Accessories
Model: 5885
(Based on expert analysis, manufacturer ratings and customer reviews)
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
7 Reviews
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  • Features
  • Specs
  • 5
  • 7
  • Articles
  • Accessories
Run Watts
Rated Watts
120/240 Single-Phase
Fully Automatic Operation When Paired With Nexus Smart Switch™

Generac OHVI Air-Cooled Engine
Features plateau honed cylinder walls and plasma-moly rings
Full pressure lubrication system w/ 2 year oil change interval
Aids in cooling the engine for longer life

Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)

Skewed Rotor Design For Smooth Output Waveform "Clean Power"
Automatic voltage regulator equipped for +/- 1% regulation

Nexus™ Digital Controller Monitors & Controls All Functions
Provides system status - compatible with Nexus™ wireless monitors

Sound Attenuated Weather Proof Enclosure
Attractive styling with lockable access doors
Incorporates electrostatically applied epoxy paint technology
Sound dampening enclosure limits sound pressure to a low 66dB(A)
1' flexible fuel line and DVD manual included

Built-in Battery Charger (Battery Sold Separately)

Automatic Transfer Switch - ATS (Sold Separately)
Customize your system based on your actual application
Select the ideal ATS & DLM™ modules for load shed capabilities

Listed to UL2200 Engine/Generator Standard for Safety
Engine Brand
Generac OHVI
992 CC
Consumer Engine Warranty
3 Years
Commercial Engine Warranty
3 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Product Specs
120/240 Single-Phase
60 Hertz
Surge Watts
17000 Watts
Rated Watts
17000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
16000 Watts
LP Power Capacity
17000 Watts
NG Fuel Consumption @ 50% Load
183 (BTU: 183,000 BTU/HR) ft³/hr
LP Fuel Consumption @ 50% Load
1.61 (BTU: 146,108 BTU/HR) gallons/hr
Rated Amps
71 @ 240 Volts (Single Phase) Amps
Decibel Rating @ 7m
66 dbA
Transfer Switch
Automatic (Not Included)
Not Included (550 CCA)
A/C Ton Rating
Cooling System
Air Cooled
UL Listed
Grade Type
Made in USA
455 Pounds
Product Style
Standby Generator
Product Length
48 Inches
Product Width
25 Inches
Product Height
29 Inches
Consumer Warranty
3 Years
Commercial Warranty
3 Years
  5 Questions
Q: Can you tell me how many inches of water pressure we need for the 183cubic feet per hour. Aslo, what diameter pipe would be required for a 30 foot run?
by Paul Reale, P.E. from Georgia on March 25, 2012

A: 5 to 7 inches of water column for natural gas and per the manufacturers recommendations on a 30 ft run with a 17kW generator you would need to use a 1 inch pipe which has a maximum distance of 40 ft.

If you need to go any farther then you must step-up to a 1-1/4 inch pipe which has a maximum distance of 190 ft.

by Mike, Product Expert

Q: Jim I have a 100 amp Pre-Nexus service rated transfer switch. Can I use this with a nexus generator? Ive heard there is some special wiring for the battery charger to work
by Mike Noonan from Michigan on April 18, 2011

A: There is a special kit that needs to be added to the switch to accept the 120V connection which provides the power to the internal generator controller for the charger. These kits are available from your local Generac dealer - Part Number: 0H93030SRV.

by Mike, Product Expert

Q: How far does a generator has to be from my house?
by Jim from Massachusetts on February 04, 2011

A: The manufacturer recommends the back side of the unit to be set no less then 18 inches from any non-combustible surface and the sides of the unit need at least 36 inches for proper intake and exhaust.

Note: It is recommended to check with your city, county and state codes as they may differ from the manufacturers recommendations.

by Mike, Product Expert

Q: What kind of oil comes in the generator, and when it is time to change it? Can I run Mobile 1 Synthetic 5W30 year round in central Oklahoma?
by Ron Hopper from Oklahoma on January 24, 2011

A: The Generac standby generators are shipped with 5W30 oil in them and Generac does give the option to use 5W30 Synthetic in needed. The owner's manual covers all oil options and temperature ranges. Oil changes are determined by use and maintenance is also covered in the manual.

Owners Manual

by Mike, Product Expert

Q: Can this generator be anchored to the slab? If so, can you provide an anchor bolt layout
by Gregg Deemer from Texas on January 21, 2011

A: Generac's model 5885, as with all of their standby generators, are anchored to the pallet at all 4 corners with special anchors which can be used to anchor the unit directly to your concrete base using concrete bolts.
by Mike, Product Expert

Generac Guardian 5885 Reviews & Ratings
7 Reviews  Sort by 
Douglas D.
Palestine, TX
Purchased from Electric Generators Direct
Purchased 8/24/11
5 out of 55 out of 55 out of 55 out of 55 out of 5
Lightning Struck
After almost one year, I finally got to see my Generac work.

I had a direct hit by lightning, which knocked out my Generac display panel. I got it repaired and about a month later lightning struck again.

This time the Generac took over and worked flawlessly. The power stayed out for over two hours, but I was only out of electricity for 10 seconds. I have the 17kw. that I would recommend to anyone.

My good friend and I bought ours about the same time. He loves his also.
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Allentown, PA
Purchased from Electric Generators Direct
Purchased 7/17/12
Total Reviews
2 Reviews
5 out of 55 out of 55 out of 55 out of 55 out of 5
Wireless Install
This wireless controller is outstanding. Thew one thing that messed me up during install is that I could not find the plug end on the main board to connect the plug end to. It is covered with a decal that you have to peel off first. Had I know that, it could have been installed without taking a lot of things a part. This works great and it allows you to take control of the unit without going outside! Great Idea!!
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Mountain Beer Man
Total Reviews
2 Reviews
5 out of 55 out of 55 out of 55 out of 55 out of 5
Works Great In The Mountains & Paid For Itself Already
Installed it myself after figuring out where to place the ATS. We live above 9,000 feet and have winter 6..9 months out of the year, with wind chills of -50.

Bought a battery heater blanket and a thermo plug and hooked that up to a dusk-to-dawn outlet. Always starts for weekly maintenance exercise and when power goes out (wind knocking out power lines). The power went out when we were away for a few cold days and we didn't have any frozen pipes when we returned, so it saved us the expense... more
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Houston, TX
Purchased from Electric Generators Direct
Purchased 8/31/11
5 out of 55 out of 55 out of 55 out of 55 out of 5
Piece Of Mind
I bought my 17KW in Sept 2011 It took me a couple of months of thinking about making such a large purchase on a generator already owning a Generac portable. Knowing how much trouble it is when power goes out and having to set up the portable generator and then sometimes as soon as your all set up power comes back on.

This standby is a beautiful piece of machinery and till now is a very good sounding and powerful unit. I am a very happy man today by making this purchase I don't have to worry... more
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Cecil, PA
5 out of 55 out of 55 out of 55 out of 55 out of 5
Lawn Mower Stones
My generator got several chips and a small dent from letting my 14 year old cut the grass with my lawn tractor. I bought the kit and prepped the area by cleaning and then scuffing the surface. Just a few shots from the factory paint and she looks almost unmarked! Great color match and minimal effort to repair the nicks.....
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Stone Ridge, NY
4 out of 54 out of 54 out of 54 out of 54 out of 5
I like the unit but the wiring area is unnecessarily tight and difficult to make the connections. I noticed that even the factory installed wiring had numerous strands of wires sticking out of the terminal blocks which probably means they had a tough time getting the wire into the terminal while screwing the terminal down . Generac's engineers need use to re-think the wiring compartment in terms of access.

Electric generators Direct were fantastic. Easy to order, quick on the delivery. ... more
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Frankston, TX
Purchased from Electric Generators Direct
Purchased 2/14/11
Total Reviews
3 Reviews
5 out of 55 out of 55 out of 55 out of 55 out of 5
It Went Flawlessly
My neighbor and I installed the entire system after the generator was delivered to the slab. We found the installation instructions easy to follow. We had a certified installer check-out our installation and commission the unit. It went flawlessly.
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5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
5 Reviews
 1   Q&A


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Shop for the Generac Guardian™ 17kW Home Standby Generator at Electric Generators Direct. Research Generac Guardian 696471058857 standby generators air-cooled generator online. Find Generac Guardian 5885 standby generators air-cooled generator & Generac 5885 17000W Generator features and specifications.