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DuroStar 4,000-watt 7.0-HP Air-cooled OHV Gas Engine Portable RV Generator

by DuroStar
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ITEM# 13277363
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ITEM#: 13277363

The durable DuroStar 7.0 Hp, air cooled OHV engine with low oil shutoff features heavy-duty steel frame with four point fully isolated motor mounts for smooth and quiet operation. This generator has a full power panel with oil warning light and volt meter.

  • Power plug configuration
  • Two (2) 120-volt 20-amp 60-Hz NEMA L5-30 outlets
  • One (1), 120-volt 30-amp 60-Hz NEMA 5-20R outlet
  • Run-time [at 50-percent maximum output ]: 8.0 hrs
  • Low oil shut-off protects engine
  • Super quiet muffler reduces engine noise
  • Max AC output: 4000 watts
  • Rated AC output: 3300 watts
  • Technical details
  • Engine type: 4-stroke OHV single cylinder with forced air cooling system
  • Ignition system: Non-contact transistor
  • Displacement: 208CC
  • Starting type: Recoil
  • Fuel tank capacity: 4 gallons
  • Noise level: 69 dB


Color Yellow
Wattage 4000-6000 Watts
Dimensions 23.5x17.75x16.75
Warranty 30 day Limited Distributor
Model Number DS4000S
Country of Origin China

Quality Rating

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Features for Rugs

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Customer Reviews

5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
  • Most Recent

  • MS
    Verified Purchase

    Love this generator./ Starts every time. but not as quiet has I had anticipated but not to bad

    Read More
    Rebecca H. Nov 25, 2016
  • Average Deal
    Verified Purchase

    You can get the same item for the same price on 11% days at Menards

    Read More
    9280sd Apr 25, 2015
  • Generators for married children
    Verified Purchase

    I ordered several generators for Christmas gift to our kids. 3 of the 5 worked well, but the other 2 wouldn't start or were damaged. Overstocked sent us 2 new ones that worked will. All 5 will start on the first or second pull. They are also very quiet. If you have problems with them, deal with Overstocked not the Co. that provides the product to Overstocked.

    Read More
    lhhawk Jan 28, 2013
  • Good Product
    Verified Purchase

    I haven't had a problem with this generator axnd it helped us power several appliances, lights etc. My only issue is that the exhaust area started to "RUST" when left out in the cold as where it needed to be. A bit of oiling or paint will fix that problem though.

    Read More
    aja67 Jan 11, 2013
  • Emergency generators
    Verified Purchase

    I ordered several for my married children. The first one opened was damaged in the shipping. I called the 800 number and was sent a replacement part, but it was incomplete. I have sent pictures of the parts damaged to the maker and am still waiting for the right parts. I am hoping the will make it right or I will send them all back. I think the generators will be ok if they aren't damaged in shipping.

    Read More
    cwh5 Jan 4, 2013
  • Most Helpful

  • Love it
    Verified Purchase

    This generator is awesome. Its quiet ( for a Generator ) and runs smooth. It's great piece of mind having this being prepared for power outages. The wheel package you can get is great also. The directions on the wheel package isn't the greatest. A great buy!

    Read More
    russ11 May 5, 2011
  • Great product
    Verified Purchase

    Quick delivery in 4 days. No damage to shipping box or to generator. Removal of shipping braces and set-up was easy and took about 45 mins. After adding oil and 1/2 gal of gas the generator started on the first pull. I let it run a few minutes then shut it down then started it again an then let it run 45 mins until out of gas. I recomment the wheel kit, but had to order it from Amazon. This generator is made in China, but I was impressed with the quality. Excellent value.

    Read More
    arthur96001 Jun 30, 2011
  • GREAT Generator.! Started in 1/2 Pull !!
    Verified Purchase


    Read More
    johnnyboy63 Aug 30, 2011
  • Awesome generator!!
    Verified Purchase

    This generator started with one pull straight out of the box (after filling with oil and gas). Was very impressed with this product. VERY quiet for a generator. Have only used it a dozen times or so, but it starts with one pull every time. Would definitely recommend this to any one and every one.

    Read More
    kazsis Sep 12, 2011
  • positive review title
    Verified Purchase

    this product gives us protection against power outages--it is just what we needed.

    Read More
    pouncer1 Jun 17, 2011

Questions & Answers

  • Q:

    "How many hours will it run on full tank?"

    • A:

      Hello roellorenzo, at 50 percent maximum output, it should run approximately eight hours. Thanks for shopping with us!

  • Q:

    "what is the weight of this generator"

    • A:

      The weight of this item is 95 pounds.

  • Q:

    "the reviewa mention a wheel kit. does this come with order or must it be bought seperately?"

    • A:

      The wheel kit is sold separately for this unit.

  • Q:

    "does it ake an oil/gas mixture or just staight gas ?? does a funnel come with to fill the oil ??"

    • A:

      This unit is a 4-stroke engine so it does not need to mix gas but it does need to add 4-stroke engine oil to the engine and put in gas before starting. It only comes with the instruction manual.

    • A:

      can this product work in africa?

    Read more Read less
  • Q:

    "How much does this generator weigh ?"

    • A:

      This weighs about 95 lbs.

  • Q:

    "what type/weight of oil is best?"

    • A:

      You can find the manual to this item here: http://www.generatornation.com/tag/durostar-ds4000s-manual-pdf/ . It will help you to determine the type of oil that is best used in this machine.

  • Q:

    "can this generator be shiped to california?"

    • A:

      Yes, it can.

Shopping Tips & Inspiration

Shipping & Returns

Contact Information
Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
Expedited shipping details

Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.


This item cannot be shipped to Alaska or Hawaii. More details

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.