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The Generac Guardian series™ 5874 - 17kw essential circuit standby generator system (aluminum enclosure) has been discontinued and is not available for purchase at this time.

Generac Guardian Series™ 5874 - 17kW Essential Circuit Standby Generator System (Aluminum Enclosure)

(Based on expert analysis, manufacturer ratings and customer reviews)
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
2 Reviews
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Product Discontinued Product Discontinued
  • Features
  • Specs
  • 7
    Q&A 
  • 2
    Reviews
  • Articles
  • Accessories

Grade
Air Cooled Standby Generators
Style
Watts
17 kW
Rated Watts
Voltage
120/240V
Single-Phase
Fuel
Engine
Need Help? Ask Our Generator Experts.


Fully Automatic Operation

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)

Includes 16 Circuit Load Center Style Auto Transfer Switch (100A)
Pre-wired external connection box
30' Pre-wired conduit from transfer switch to generator
2' Pre-wired conduit from transfer switch to main panel
Composite mounting pad and 1’ flexible fuel line connector

Listed to UL2200 Engine/Generator Standard for Safety


Model
  Model Number:5874
 UPC:696471058741
 Manufacturer:Generac Guardian
 Made in USA:Yes
Engine
 Brand:Generac
 HP/CC:992 cc
 Consumer Engine Warranty:3 Years
 Commercial Engine Warranty:3 Years
 Engine RPM:3600 RPM
 Low Oil Alert/Shutdown:Yes
Product Specs
 Voltage120/240 Single-Phase
 Frequency:60 Hertz
 Cooling SystemAir Cooled
 Fuel TypeLP/Natural Gas
 NG Power Capacity16,000 Watts
 LP Power Capacity17,000 Watts
 NG Consumption (50% Load)183 ft³/hr (BTU: 183,000 BTU/HR)
 LP Consumption (50% Load)1.61 gallons/hr (BTU: 146,108 BTU/HR)
 Rated Amps:71 Amps @ 240 Volts (Single Phase)
 Decibel Rating @ 7m:66 db(A)
 A/C Ton Rating5-Tons
 EnclosureAluminum
 Mounting PadComposite (Included)
 Transfer Switch:Automatic (Included)
 Transfer Switch Amperage:100-Amps
 Transfer Switch StylePre-Wired (16-Circuit)
 ATS Poles:2 Poles
 Transfer Switch Circuits:5  - 15A/120V
5  - 20A/120V
1  - 20A/240V
1  - 50A/240V
1  - 40A/240V
Overview
 Battery:Not Included (525 CCA)
 UL ListedYes
 Weight:414 Lbs.
(121.92 x 63.50 x 73.66 cm)
 Dimensions:48L x 25W x 29H
 Consumer Warranty:3 Years
 Commercial Warranty:3 Years


  7 Questions
Q: What is a composite pad ?
by CHARLES BLYTHE from North Carolina on April 08, 2011

A: The composite pad is a strong, lightweight mounting pad provided to simplify the installation. By including the pad with the generator, installation time and cost is reduced since a concrete base is no longer a requirement.
by Mike, Product Expert

Q: for an average home is a nexus smart circuit versus just a standard 16 ats which one is necessary and why i am looking at buying a 17kw-20 kw generac
by Michael Salvato from Florida on March 31, 2011

A: The Nexus Smart Switch is wired directly to the whole panel and certain large circuits, such as AC or pumps, can be wired in the load shedding capabilities so the generator does not overload. With the 16ckt ATS the generator is only wired to the select 16 circuits which have to be sized correctly for the generators capability and only those circuits are powered when power is lost.

It really depends on the equipment in your home as far as which transfer switch system you want to go with.

Proper sizing of the generator is crucial to the success of any generator installation and requires a good working knowledge of electricity and its characteristics, as well as the varying requirements of the electrical equipment comprising the load. When analyzing the electrical load, consult the manufacturer’s nameplate on each major appliance or piece of equipment to determine its starting and running requirements in terms of watts, amps and voltage. When choosing the generator output select a rating that is approximately 20 to 25% higher than the peak load (for example, if the load is about 8 kilowatts, select a 10 kW generator). A higher rated generator will operate comfortably at approximately 80% of its full capacity and will provide a margin of flexibility if the load increases in the future.
A certified electrician should be consulted for proper sizing and installation of any generator.

by Mike, Product Expert

Q: Hello Jim, do you have, or can you recommend stand-by generator installers for the Houston, Texas area? We are in the N.W. Houston area.
by David Reece from Texas on February 13, 2011

A: Since we do not get involved in the installation process and since we ship all over the continental US we do not have a list of installers to provide. You can contact a local Generac dealer who may do installations at a reasonable price and will provide you with the best installation knowledge. You do not necessarily have to purchase a Generac generator from them to utilize their installation and they would be your resource for maintenance and warranty repairs.

Service Dealers

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 size battery do I need?
by James Fritch from Pennsylvania on January 25, 2011

A: The battery is a Group 26R with 525 cold cranking amps - which is often difficult to find locally.

However, don't get too caught up in the specs. We already sized the battery for this model.

Click on the "Add 12V Start Battery" box when ordering.

The current battery price is listed below the generator pricing by the check box.

We don't sell the batteries individually because they are hazardous materials that must ship via freight. If you bought one individually, it would cost more to ship than the battery is worth.

Since this generator is already shipping via semi-truck, we shrink wrap them together, and the battery tags along for the ride.

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 5874 Reviews & Ratings
Write Review
2 Reviews  Sort by 
 
Kyle
Kent, WA
REVIEWED
MAR.
26
2012
5 out of 55 out of 55 out of 55 out of 55 out of 5
Money Well Spent
I purchased my 17Kw Generac two winters ago. The first winter it only had to run for four hours during a brief power outage. It did what it was supposed to do, but I wondered how it would do during an extended power outage.

This last winter we got to find out. We were without power for a week. The generator ran flawlessly. It kicked in immediately, to the relief of my wife and kids since I wasn't home. We brought over several "less fortunate" friends that long week so they could... more
Was this review helpful?
00
Jeanne
Mishawaka, IN
Purchased from Electric Generators Direct
Purchased 3/2/11
Total Reviews
2 Reviews
REVIEWED
MAR.
23
2011
5 out of 55 out of 55 out of 55 out of 55 out of 5
Tell Everyone You Can!!
Tried to buy this exact product locally, the HD would not deal or hold true to the policy of price matching and beating by 10%.

Looked online made a phone call and presto the price beat the local store hands down, plus it was shipped directly to our home. The expertise and the product second to none. I have told everyone I know if they are shopping for a generator to go here first!!

If and when we need another generator, we will surely be looking here, Thanks so much.
Was this review helpful?
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Shop for the Generac Guardian Series™ 5874 - 17kW Essential Circuit Standby Generator System (Aluminum Enclosure) at Electric Generators Direct. Research Generac Guardian 696471058741 standby air-cooled generators online. Find Generac Guardian 5874 standby air-cooled generators & Guardian 17KW Aluminum liquid propane and natural gas operated generator system features and specifications.