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Model # 5747
MSRP: $1,659.00
Every Day Price: $1,369.00
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Avg. Product Review Rating: 4.9/5 (based on 11 reviews - read reviews) Write a Review - $10 Store Credit

Generac Portable XG Series XG8000E Electric Start

  • Generac OHVI engine incorporates full pressure lubrication with automotive style spin on oil filter for longer life engine
  • Powerbar easily monitors power wattage
  • Illuminated LED control panel for improved visibility
  • Hour meter with maintenance resets to track usage and monitor maintenance cycles.
  • Large-capacity steel fuel tank with incorporated fuel gauge provides durability and extended run times
  • Low-oil pressure shutdown automatically safeguards engine from damage
  • Covered outlets provide added protection from the environment and adverse working conditions
  • Full-wrap, heavy-duty, 1 1/4" steel tube cradle for added durability and strength
  • Heavy-duty, never flat wheels for reliable portability
  • Single touch electric start, battery included, provides hassle-free start-up

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Generac Power Systems 5747 Details and Specifications

Generac Portable XG Series 8000 Watt Electric Start

Ideal for Emergency Power or DIY Projects
The premium quality power and reliable performance of the XG Series comes from Generac’s OHVI® engine. Depend on this rugged unit to provide years of reliable power for events, emergency power, or DIY projects. Plug-in battery charger keeps battery charged and ready to go. Includes first oil and maintenance kit.

User-Friendly Design
Has conveniently placed engine controls for simple operation and easy start-up.

Generac OHVI® Engine
Built specifically for generator use, Generac's OHVI engine incorporates full-pressure lubrication with an automotive-style spin-on oil filter for long engine life.

Illuminated LED Control Panel
Easily monitor the generator power you're using.

Covered Outlets
When not being used, all XG Series outlets have this added protection from the environment and rugged working conditions.

Heavy-duty, Never-flat Wheels and Fold-down Handle
Helping to make your portable power that much more so, these wheels will let you take your XG Series portable generator across any terrain. Handle folds down for compact storage, and locks for sturdy portability.

Low Oil Pressure Shutdown
Your XG Series portable generator’s Generac OHVI engine is protected in case oil pressure runs low. The engine will shut down automatically, preventing potential damage.

Single Touch Electric Start
Battery included, provides hassle-free start-up.

Emissions: EPA/49 State, not for sale to California

Includes: Product Literature, Battery, 12 Volt Adaptor Plug Charger, Wheel Kit and Preventative Maintenance Kit

Product Specifications

Model Number 5747
Manufacturer Generac Power Systems
Made In USA Yes
Rated Watts 8kW
Surge Watts 10kW
Rated Amps 33.3
Surge Amps 41.7
Voltage 120/240V Single Phase
Enclosure None
Starting System Electric/Recoil
Low Oil Alert Low Oil Pressure Shutdown
Idle Control Full Speed
Receptacles Battery Charger Input
4 - 20 Amp 120V 5-20R GFCI
1 - 30 Amp 120/240V L14-30R Twistlock
Fuel Gauge Yes
Portability Kit Included
Hour Meter Yes
Battery Requirement Included
Product Weight 235 lbs
Dimensions (Inches) 31.5L (48.5 EL) x 25.5W x 28H
Engine Brand Generac OHVI
Engine Size 410 cc
Engine RPM 3600 RPM
Cast Iron Sleeve Yes
Frequency 60 Hz
Fuel Type Gasoline
Fuel Tank Material Steel
Fuel Tank Size 9 Gallons
Run Time (50% Load) 10 Hours
Warranty Information
Consumer Warranty 2 Year Warranty
Commercial Warranty 1 Year Warranty
Shipping Weight 264 lbs
Shipping Dimensions 30H x 48W x 40D
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Product Reviews

Showing reviews 1-10 of 11 | Next

  1. Recommended

    Posted by Matt B. on 12th Jul 2014

    Generator shipped quickly. Easy set up: attach wheels; fill oil (included); attach starter wire; fill w/ gasoline (not included); battery was charged and started right up. Lucky to have an electrician nephew to install a Generac 30 amp transfer switch(he made it look easy). Essential circuits: gas forced air furnace (Minnesota); well pump; septic lift station pump; sump pump; kitchen (refrigerator) and freezer. When we fire up it did not even reach half load. Very powerful and expect it to do the job when needed. It hasn't been needed so far.

    It's not quiet but I didn't expect it to be... and in a rural area not too close to neighbors it's not a problem.

    Ordering from Norwall was flawless.

  2. Great Generator

    Posted by Ross Henry on 30th Oct 2013

    I've had this generator for over a year now and it has been great. It starts the first time every time and has come in VERY handy the 4 or 5 times I've used it. The power went out last winter on THE coldest day we had and I was able to run 2 portable heaters to keep the house warm. I HIGHLY recommend this generator.

  3. Great Generator

    Posted by Patrick from Floral Park NY on 10th Aug 2013

    Fast shipping, came in perfect condition. Easy setup and easy charger for the battery. Plugged the charger in overnight to make sure battery was at full charge. Put in 5 gallons of gas, pushed the start switch and the generator started just like that.


    Ran it for thirty minutes with different loads and the generator didn't skip a beat. Feels great to buy a quality American made product. Thanks so much!

  4. Nice Generator

    Posted by Deweypwang on 23rd May 2013

    Great power, great value. Runs great right out of the box. Bought the manual transfer switch and very easy to install. Quick shipping for both. Kudos to Norwall and Generac. Another great American company and product!!!

  5. My second but larger Generac

    Posted by Frank from NJ on 5th Feb 2013

    I ordered the Generac XG8000E because I fried my “smaller” Generac during hurricane Sandy. I have a 2,200 sq ft house with an oil/furnace to heat hot water, a well pump, a septic tank pump, full freezer and a fridge. I wanted a generator to handle all of those items mentioned and of course miscellaneous stuff like lights. We shopped online for days and found that Norwall Power Systems was by far the cheapest by hundreds. A 3-4 week delivery was to be expected because Generac was still back ordered from Sandy. I received it in 4 ½ weeks. I live in NJ and it came from Arizona with no problems. Now about Generac: I have read all of the forums and feedback from customers on several web sites before ordering this unit. Most wear complimentary but you do learn allot from the negative people as well; for instance, filling the fuel tank with more then one gallon of gas when you first try starting it. etc. My neighbor was also there with me because he had just received one larger (1000-12000W) a week earlier and he had big issues for several hours trying to start his. Back to mine; I followed the steps on setting it up for the first time and then came the big moment. Wonderful, it started in a split second. I ran it for 5 minutes and plugged in a hand drill to try all the outlets. I then shut it down to check oil level. Note: I did not have to charge the battery and only put in one quart of oil. Also put in only 4 gallons of fuel. Now I also wanted to check to see if it started when pulling by hand. The same thing, one pull and bingo, success. Needless to say, my neighbor was pissed that mine started with no issues. It turns out with his he had to fill the gas tank almost to the top. Oh well?
    I have nothing but praise for NORWALL SYSTEMS and GENERAC.

  6. made in USA

    Posted by paul c on 17th Nov 2012

    great value- user friendly- american made . unless you live in a starter castle, this is the one you want when the power goes out !

  7. Great Product

    Posted by Unknown on 26th Oct 2012

    This is a great product. It offers exactly what the specs state. I would recommend this to anyone.

  8. Perfect right out of the box!

    Posted by Bob J on 22nd Oct 2012

    Received my generator in perfect shape, no dents, all parts included, complete startup instructions. I expected the battery to be low, but it wasn't. Generator fired up immediately and ran perfectly. Initial loading didn't bother it a bit.

    Electrician installing the transfer switch I also purchased was pleased with the generator's capacity and ability of the governor to instantly regain RPM drop caused by instant loading to near capacity.

    I've recommended it to my friends, and the installing electrician is seriously considering one himself. I gave him one of your business cards you enclosed with my paperwork.

  9. Great product and excellent service during and after the purchase

    Posted by Bob M on 5th Mar 2012

    After 2 big storms in the NYC area last year (hurricane and early snowstorm) we were out of power for over 4 days both times. We wanted an emergency power system that was cost-effective and safe to operate. We chose the XG8000E and decided to purchase it from Norwall as they had all the product information, great prices and their phone support and website materials were very helpful to someone who is not an electrician/expert. Delivery was made as expected (good communication and follow up) and when we had two minor issues with the generator (crushed spare air filter and broken nozzle on the roll over valve) the customer service group contacted Generac and replacement parts were sent out right away. The roll over valve was easy to replace and the generator started up with no issues and connects to our home through a Reliance transfer switch that was installed by a licensed electrician (electrician supplied).

    For the money we spent, we got a tremendous value doing business with Norwall and will continue to work with them in the future. We now feel we can safely transition to emergency power when needed and we have greater piece of mind when bad weather moves through the area. Given our success, I wish we had done this sooner.

  10. Best portable generator I ever owned!

    Posted by brian g on 25th Dec 2011

    Let me start at the beginning. I am not an online shopper. But after researching generators and generator dealers I am glad I chose Norwall.They were knowledgeable about the products,and upfront and accurate on the delivery time.I highly recommend Norwall and will be doing business with them in the future. The Generac xg8000E I received is amazing. High quality, very low vibration, much quieter than any of my other generators,and extremely user friendly. Excellent generator,great price from Norwall. A great buying experience.Brian G

Showing reviews 1-10 of 11 | Next

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All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

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