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Generac XP8000E - 8000 Watt Electric Start Professional Portable Generator

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Generac Electric Generators and AccessoriesModel: 5931
(Based on expert analysis, manufacturer ratings and customer reviews)

4.1 out of 54.1 out of 54.1 out of 54.1 out of 54.1 out of 5
19 Reviews
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  • Features
  • Specs
  • 4
    Q&A 
  • 19
    Reviews
  • Articles
  • Shipping
  • Accessories
Grade

Style
Run Watts
8,000
Rated Watts
Surge Watts
10,000
Starting Watts
Fuel
Engine
Generac XP Series Professional Grade Portable Generator
Engineered specifically with contractors in mind

Electric Start w/ Recoil Backup (Battery Included)
Makes starting as easy as pushing a button

410cc Generac OHVI Engine - Designed Specifically For Generators
Provides added safety to protect your investment

Pressurized Lubrication System w/ Oil Filter & Low Oil Shutdown
Provides maximum safety for longer engine life

TruePower™ Technology - Less Than 5% THD
Provides clean, smooth operation of sensitive electronics

Full Panel GFCI Protection - OSHA & NEC 2011 Compliant
Must use GFI type manual transfer switch for panel connection
Not for use with interlock kit

Large 9 Gallon Metal Fuel Tank
Provides up to 10 hours of run time @ 1/2 load

Hardened 1.25" Steel Tube Cradle & Cast Metal Corners
Combined with an integrated lifting eye for rugged durability

Fold-Down, Locking Handles w/ Never Flat Wheel Kit
Provides sturdy mobility and compact storage

Includes Battery Charger, Engine Oil & Maintenance Kit
Engine
Engine Brand
Generac OHVI
Starting System
12-Volt Button Start w/ Recoil
CC
410 CC
Consumer Engine Warranty
3 Years
Commercial Engine Warranty
3 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Yes
Cast Iron Sleeve
Yes
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Auto Voltage Regulation
Yes
Surge Watts
10000 Watts
Rated Watts
8000 Watts
Fuel Type
Gasoline
Rated Amps
33 @ 240 Volts (Single Phase) Amps
Portability Kit
Never Flat Wheels
Tank Size
9 Gallons
Run Time @ 50% Load
10 Hours
Fuel Tank Material
Metal
Fuel Gauge
Yes
Decibel Rating @ 7m
Not Measured by Manufacturer
Idle Control
Yes
Hour Meter
Yes
Lifting Eye
Yes
Neutral Type
Bonded
Battery
Included
Plugs
NEMA 5-20R - GFCI
2
NEMA L5-30R
1
NEMA L14-30R
1
Overview
Assembly Required
Yes
Weight
251 Pounds
Product Length
34.6 Inches
Product Width
29 Inches
Product Height
27.2 Inches
Consumer Warranty
3 Years
Commercial Warranty
3 Years
UPC
696471059311
Model
5931
Download Documents


Outlets
NEMA 5-20R (GFCI)
NEMA 5-20R (GFCI)

NEMA L5-30R
NEMA L14-30R

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  4 Questions
Q: Jim,
Can I purchase a portable Generac Generator from you, with the tri-fuel conversion kit installed and ready to use? I would like to buy the Generac XG8000E if it is available with the tre-fuel feature.
thank you,
Gordon Weiss

by Gordon Weiss from Louisiana on October 24, 2012

A: Generac does not offer Tri-Fuel generators, only gasoline and we do not recommend converting them.

They are specifically engineered and designed to operate on gasoline only which has an ignition temperature of 485 degrees. If you were to convert them to Propane or NG they have an ignition temperature of 1008 degrees and due to the extreme temperature change you can damage the internal components in the engine and drastically shorten the life of the unit.

We only offer one manufacturer that has a true Tri-Fuel generator which is Winco....here is the link to their models....

Winco Tri-Fuel Generators

by Jared, Product Expert
Q: What makes the XP8000E more expensive than the XG8000E? Looking for an 8kW for home use.
by Steve Keefer from Maryland on August 24, 2012

A: The reason the XP model costs more than the XG is because of the features and components.

The XP model is capable of delivering clean power with Generac's Truepower technology.

This is essential when powering sensitive electronics like cell phones, computers, HDTV s and any other electronics that have complex circuitry within them.

The XP also provides two high voltage 30 amp outlets. One rated for 120v and the other rated for 120/240v. The XG only has the 120/240.

by Jared, Product Expert
Q: Hi Jim, I just bought a Generac XP8000E from Lowes for an emergency power source. What manual transfer switch would you suggest? I plan to have an electrician install the transfer switch in my garage, next to the main electric panel (200A). I like the idea of being able to pick and choose what circuits to power on, rather than being stuck to a set number of circuits. Also, do you have any suggestions for indoor power inlet boxes, that can be installed in my garage? Thanks for your help.
by Mike from Massachusetts on January 14, 2012

A: With the purchase of the Generac "XP" model generator you will need to go with a GFI type transfer switch due to the full GFI protected panel on the generator.

Unfortunately this type of generator with GFI protected 240V outlet does not allow for whole house control and a GFI type transfer switch needs to be used.

Below are some recommendations based on the model generator you are purchasing.

30A GFI Transfer Switches

by Jared, Product Expert
Q: Jim,
I'm a licensed NH Electrician I have a Honeywell 7500Watt Portable Generator that will be used to supply selected loads in a non-separately derived residential application as outlined by the 2011 NEC. The tag on this generator indicated that the neutral is bonded to the frame. I need to know if this generator can be made into a floating neutral generator without voiding listings or warranty. If the answer is yes then where and how does the manufacture recommend the removal of the bond? And will the manufacture send a new label that indicates the generator is now a floating neutral generator. This will be an issue with any generator that has its neutral bonded to the frame portable or stationary. Any info that you can give me will be a great help.

Regards,

Ron T.

by Ron Tasker from New Hampshire on January 08, 2012

A: Many generators that have a bonded neutral to frame can be modified so the neutral is floating, or separate from the frame and generator ground. If the neutral connection (bond) to frame can be removed, if the manufacturer supports this, it’s usually the best solution as it would result in a “floating neutral” generator and would be ideal for connecting to most transfer switches.

If the generator manufacturer does not support modifying the generator to remove the bond between neutral and ground/frame, the system can be setup to meet all codes by using a neutral switching transfer switch. A “non-separately derived system” is where the generator neutral is floating, and its neutral is always interconnected with the neutral for the utility – this is the most common way backup systems are setup – including automatic backup systems.

If you need to isolate the neutral then you need to use a GFI type transfer switch such as the Reliance Controls "X" series switches.....see link for details.

GFI Transfer Switches

Note: Typically these switches are not required unless the 120/240v outlet on the generator is GFI protected which is found on Professional generators such as the Generac "XP" models and not the "XG" model.

The fact that a generator has a bonded-neutral does not rule out compatibility with 2-pole transfer switches, which make up the majority of all transfer switches. The only time that a portable generator will not function with a 2-pole transfer switch is if the generator has a bonded-neutral AND there is a GFCI breaker or GFCI mechanism protecting the receptacle being used to connect the generator to the transfer switch. Most 120/240v generator receptacles are not GFCI protected.

National Code does not require switching the neutral in general, but arguably the neutral should be switched when using a bonded generator based on how the system is setup and defined as a whole. Any time a bonded-neutral generator is connected through a transfer switch to a house wiring system, what results are two neutral-to-ground bond points: one at the main panel and one at the generator. This can be construed as having two bond points in the electrical system, even though the portable generator is not part of the system, and therefore one of the bond points should be removed (or a transfer device implemented that isolates the neutral).

Having two bond points in this scenario creates 'dual paths' on the ground and neutral between the generator and the house panel, aka "ground loop", meaning the ground wire from the generator to the house panel will share some of the return power with the neutral wire. This leads to a very small amount of voltage on the ground wire between the generator and house panel. It can be argued by an installer or authority that this power on the ground is objectionable, and a special neutral switching setup might be mandated. This is also why if there is a GFCI breaker protecting the generator receptacle, it will sense this power being lost on the neutral (to the ground) and will trip every time the generator is connected, even under No load.

* If the generator does not have a GFCI protecting the in-use receptacle, there will not be a trip and the generator will power circuits successfully. Now it’s just a question of whether having this setup is acceptable to the home owner, installer and authority if applicable.
Using bonded generators without switching the neutral has been a common application for many years, regardless of how the code is interpreted, but about 10 years ago generators started adding GFCI's (per OSHA job site requirements) and wiring them into the larger receptacles, which will limit their applications when used at homes. The 2014 code will require new generators to have built in GFCI’s, but only on the 15/20 amp 120 volt outlets, which in most cases are not being used to power a transfer switch. If we look at all of the portable generators that are bonded neutral, and then separate the models WITH a GFCI breaker protecting the 120/240 outlet, the percentage of these generators is extremely small. These are the only generators that will functionally require a 3-pole transfer switch that breaks the neutral.

Breaking the neutral with a “3-pole” (neutral switching) transfer device eliminates the ground loop (dual paths) between the generator and house panel created by having two bond points, and will eliminate the problem of the GFCI breaker tripping creating a “separately derived system” where the generator neutral is never common with the utility neutral.

I hope this information was helpful.

by Jared, Product Expert
Generac 5931 Reviews & Ratings
Overall Rating
Features
4/5
Quality
4/5
Performance
4/5
Value
4/5
Overall
4.1 out of 54.1 out of 54.1 out of 54.1 out of 54.1 out of 5
Pros
Easy To Use (3)
Durable (2)
Easy To Store (2)
High Quality (1)
Starts Easy With Electri... (1)
Cons
Expensive (2)
Low Quality (2)
Durability (2)
Bad Instructions (1)
Foreign Parts China Chin... (1)
80% of respondents would recommend this product to a friend
19 Reviews  Sort by 
 
Jared, the Portable Generator Expert
Electric Generator Expert

Product Expert
Total Reviews
103 Reviews
Total Helpful Votes
8904 Helpful Votes
Electric Generators Direct Recommended

The Generac XP series are engineered specifically with contractors and construction sites in mind. All models have the Generac OHVI® engine. These models are built to withstand extended job site use.

We were lucky enough to open up one of these units and really get in there and check it out. It is a very high quality machine. Even the way the accessories are packed in the box tell you how much attention is given to this premium Generac portable line. This truly is a professional... more
Jared Recommends This Model
Was this review helpful?
4629
Damon P.
Cape Coral, FL
Purchased from Electric Generators Direct
Purchased 5/18/16
Most Helpful Critical Review
REVIEWED
JUN.
21
2016
2 out of 52 out of 52 out of 52 out of 52 out of 5
Whats Happened To Generac?
Last year, I bought the XG1000E generator. One month later the starter and its relay went crazy. So this is what happens. It is upon YOU to find a authorized dealer and drop it off. It will take then a while to look at it. Then they will ask for parts. This will take one to 4 weeks. Then they will finish the repair.
They got it fixed 4 weeks later.

Since then I have a muffler that will not hold bolts into it. The muffler bracket is steel, but shattering and falling off to. Guess what,... more
Cons: Low Quality, Unreliable, Durability
Jared, the Portable Generator Expert
Product Expert
Damon,
Thanks for the honest feedback. We'll definitely pass this onto Generac.
more
Manufacturer Response
Brand Rep
Damon,
We are sorry to learn of your frustrating experience. We are definitely interested to know what has caused your unit's issues, as we do not commonly receive complaints like the one you have provided. In regards to your concerns regarding service, please know that we have thousands of independent authorized service providers that are able to provide any warranty coverage that applies to your personal unit. If you are having trouble locating an independent authorized service provider that is willing to work on your unit, please contact us directly at 888-GENERAC (436-3722) so that we can work with you to find an applicable servicing resource in your area. We do apologize for any inconvenience your experience may have caused.
more
Was this review helpful?
32
Howard M.
Leetonia, OH
REVIEWED
JAN.
18
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Really Nice Generator
Except the battery for electric start is junk. I took the panel off and built a angle iron bracket to put a garden tractor battery in it. Just extended the cables. That's the only downfall I have had.
Howard Recommends This Generac Product
Jared, the Portable Generator Expert
Product Expert
Howard,
Please not any modification of the generator will void the warranty.
more
Was this review helpful?
43
William P.
Norwalk, CT
Purchased from Electric Generators Direct
Purchased 11/16/11
Total Helpful Votes
106 Helpful Votes
REVIEWED
DEC.
07
2011
1 out of 51 out of 51 out of 51 out of 51 out of 5
Business Owner
The generator arrived with no visible problems.It was very simple to put together. Generator would not start. The start/run/stop switch did not work at all. After a number of phone calls that ended in' zero' help except to try to find a service center shop somewhere. I put the unit on my woork bench to be able to look more closely at the internals. By the way,I have an engineering degree in both electrical engineering and mechanical engineering from The City University of New York. I found... more
Was this review helpful?
10612
Scott
Purchased from Electric Generators Direct
Purchased 10/31/12
Total Helpful Votes
81 Helpful Votes
REVIEWED
NOV.
21
2012
1 out of 51 out of 51 out of 51 out of 51 out of 5
Arrived Doa
Generator goes into fault mode the moment a 4 cable 30 amp cord is plugged in, dealing with Generac warranty repair has got me no place. Unit was received with gas lines not securely in place, from the looks of it this unit was never checked at the factory.
Was this review helpful?
814
Joe M.
Smithtown, NY
Purchased from Electric Generators Direct
Purchased 2/8/13
Total Helpful Votes
76 Helpful Votes
REVIEWED
APR.
08
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Minor Problem
Overall the Generac XP8000E is a very high quality generator. The only issue was the off switch didn't work. To shut down the unit I had to close the gas valve and let it run out of gas. When I called the Generators Direct "technician" I was told that this was normal. Not satisfied with that answer I decided to look behind the dash board and discovered a wire on the rear of the “on/off/start” switch was not connected. I simply reconnected the wire and the unit shut down... more
Was this review helpful?
7610
Mike Y.
Weaverville, NC
Total Helpful Votes
35 Helpful Votes
REVIEWED
DEC.
07
2013
4 out of 54 out of 54 out of 54 out of 54 out of 5
Old School American
Purchased several years ago, Chinese battery died in 6 mo. Could not replace from local battery stores due to custom size and shape battery made for Generac. Can not rebuild or clean leaking carb it must be replaced, disposable ! Made in china. No fuel line filter. When it runs well it does hold 120 and 220 volts steady with a load.
Pros: Easy To Use, Durable, Quiet, Starts Easy With Electric Start When Cold
Cons: Low Quality, Durability, Expensive, Foreign Parts China China
Mike Recommends This Generac Product
Was this review helpful?
355
John
Middletown, NY
Total Helpful Votes
32 Helpful Votes
REVIEWED
OCT.
31
2012
5 out of 55 out of 55 out of 55 out of 55 out of 5
Pricey For A Portable But So Far So Good
Without a doubt EGD has the best selection and best prices- period.

Now, onto the generator: first off the battery was dead right out of the box, dead meaning wouldn't take a charge. But the generator was sitting in the garage for year before I even opened it up so I'm not deducting points for it and it's not a Generac battery.

Setup was easy, I was missing the pre-filter shown in the directions but I picked one up from a local shop for a few bucks. The generator fired right up, and I... more
Was this review helpful?
324
Gene
Franklin, NC
Purchased from Electric Generators Direct
Purchased 5/8/12
Total Reviews
2 Reviews
Total Helpful Votes
24 Helpful Votes
REVIEWED
JUN.
02
2012
5 out of 55 out of 55 out of 55 out of 55 out of 5
My New Xg8000e Generator
I am very pleased with my Generac XG8000E electric start generator, and Reliance Control's 30310AK transfer switch. That I purchased from EGD. The generator arrived in excellent condition, and started quickly.

The generator easily powers my two HP submerged well pump, although I cannot run the water heater at the same time. We alternate them. My only regret is that I didn't purchase a somewhat larger generator and a transfer switch with more circuits to enable us to operate the... more
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249
George S.
Reno, NV
Purchased from Electric Generators Direct
Purchased 1/17/15
REVIEWED
FEB.
16
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Generac Sp8000e - Very Happy
I bought this generator to replace, or supplement, my 12 year old Generac 4000EXL which has powered us thru numerous power outages. The 4000EXL enables us to live comfortably by carefully managing our power usage however, it can not power my 3 hp well pump.

The XP8000E arrived in a very timely fashion and I had no trouble getting it going. I plugged it into my external house power plug and switched my transfer switch and it worked beautifully, including running the well pump. A week after... more
George Recommends This Generac Product
Was this review helpful?
92
Edmund H.
Hewitt, NJ
Purchased from Electric Generators Direct
Purchased 11/11/13
Total Helpful Votes
13 Helpful Votes
REVIEWED
DEC.
03
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Expensive But Very Nice (worth It)
Great Generator. I use it to back up the entire house (except the central air). Very easy to start. If you want to save some money get the non electric start / pull start but the electric start is worth the extra bucks. It also comes with a pull start as back up, and it starts on the first pull every time :-)
Pros: Durable, Easy To Use, Reliable, Easy To Store
Cons: Expensive
Edmund Recommends This Generac Product
Was this review helpful?
136
Jody
Mullica Hill, NJ
REVIEWED
DEC.
19
2011
5 out of 55 out of 55 out of 55 out of 55 out of 5
Jobsite Gen
Needed a gen for jobsites. Used for 50 hours first two weeks everything good, not that loud also it has its own trickle charge on board. And when oil got just a little low it popped up on hour meeter. I'm very happy.
Was this review helpful?
125
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  • Ships via Semi-Truck
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  • Standard Rates to Alaska, Hawaii
We currently CANNOT ship this product to California or any destination outside of the United States
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  • Ships Same Business Day
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  • $50 Service Charge
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  • Requires Special Hydraulic Lift
  • Free Lift Gate
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Shop for the Generac XP8000E - 8000 Watt Electric Start Professional Portable Generator at Electric Generators Direct. Research Generac 696471059311 portable generators online. Find Generac XP8000E portable generators & generac xp 8000 e features and specifications. Get the best deal; compare Generac 5931 prices now. Buy the XP8000E direct and save.