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Durostar DS4000S Portable Generator, Yellow/Black

4,466 ratings

-17% $399.00

List Price: $479.99

Style: DS4000S

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Brand	DuroStar
Wattage	4000 watts
Item Dimensions LxWxH	23 x 17 x 18 inches
Item Weight	94 Pounds
Color	Yellow/Black
Voltage	120 Volts
Engine Type	4 Stroke
Engine Displacement	208 Cubic Centimeters
Frequency	60 Hz
Output Wattage	4000 Watts

About this item

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Plenty of Power – With 4,000 peak watts and 3,300 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools
Powerful Engine – The DuroStar 208cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
Low Oil Shutoff – Protects your investment by automatically shutting the generator off when it senses that the oil is low
Power Panel – The power panel includes a selection of outlets for maximum compatibility in your applications including: 2 120V household outlets and 1 120V 30A twist lock outlet. The panel also includes a voltmeter for measuring voltage output
Complies with Emissions Standards – All DuroStar generators are both approved by the EPA (Environmental Protection Agency) and CARB (California Air Resources Board) and follow strict guidelines to ensure our generators are as environmentally friendly as possible
4000 Watt Surge or 3300 watt continuous
4 Gallon gas tank or 8 hour run time

New (3) from $399.00 & FREE Shipping.

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WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

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From the manufacturer

Durostar DS4000S 4000 Watt Gas Powered Portable Generator

		Rainier Outdoor Power Equipment R150i Portable Power Station 155 Wh Backup Lithium Battery, 110V/100W AC Outlet, Solar Generator (Solar Panel Not Included)	Champion Power Equipment 201052 4750/3800-Watt Dual Fuel Portable Generator with Electric Start, Wheel Kit	DuroMax XP4400EH Dual Fuel Portable Generator-4400 Watt Gas or Propane Powered Electric Start-Camping & RV Ready, 50 State Approved, Blue and Black	A-iPower SUA4500 4500 Watt Portable Generator Small Gas Powered for Jobsite, RV, and Home Backup Emergency

Customer Rating	(4466)	(213)	(5173)	(5609)	(611)
Price	$399.00	$136.31	$640.32	$549.00	$379.99
Sold By	Amazon.com	Amazon.com	Amazing Warehouse Deal	Electric_Generator_Depot	Amazon.com
Item Dimensions	23 x 17 x 18 inches	10 x 4 x 6 inches	26.3 x 24.8 x 22.9 inches	23.8 x 20 x 18 inches	23.4 x 23 x 21.3 inches
Item Weight	94.00 lbs	5.00 lbs	119.00 lbs	128.00 lbs	111.00 lbs
Power Source	gas-powered	Solar Powered	Dual Fuel	gasoline-powered	gas-powered
Voltage	120 volts	—	120 volts	120 volts	—
Wattage	4000 watts	155.0 watts	3800 watts	3500 watts	3500 watts

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Product Description

The DuroStar DS4000S is a powerful generator at an affordable price point. With 4,000 peak watts and 3,300 running watts, this unit can handle heavy loads, from your household appliances to high amperage power tools on the jobsite. This rugged workhorse is ideal for a wide variety of uses, from getting you through a blackout to powering your RV on a camping trip.

Product information

Product Dimensions

23 x 17 x 18 inches

Item Weight

94 pounds

Manufacturer

DuroMax

ASIN

B004918MO2

Country of Origin

China

Item model number

DS4000S

Customer Reviews

4,466 ratings

4.5 out of 5 stars

Best Sellers Rank

#1,544 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#13 in Outdoor Generators

Is Discontinued By Manufacturer

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Product guides and documents

Product Documentation (PDF)

User Manual (PDF)

Brochure (PDF)

Customer Questions & Answers

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Customer reviews

5 star		74%
4 star		15%
3 star		4%
2 star		2%
1 star		5%

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Top reviews from the United States

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Richard Moore

No more suffering

Reviewed in the United States on June 17, 2017

Style: DS4000SVerified Purchase

Ok I've had the generator 3 years now. first let me tell you I have the most unreliable electric service of anyone I know, every time the wind blows my lights go out. Most of the time it takes at least one or two days before power is restored. I used to go get a motel room at $85 per night until the lights come back on. That all ended when I got this generator. I have used it about 15 or 20 times in the last 3 years. It always
starts right up and runs my refrigerator a small ac unit in my bedroom, my tv and any lights {led} in the house. It will run anywhere between 10 to 15 hours on a tank of gas {4 gal}. All my neighbors are suffering while I'm watching tv with cool air and cold drinks.Best purchase ever 5 stars Wow! 4 years still runs great. Well it’s been 5years sents I got this generator. In that time I have had to use it many times and I just love it.wow 7 years. As I write this my generator is running steady and quietly while a hurricane blows through. It started on the first pull the way always does. I use synthetic oil and I keep it in the shed when I am not using it. What can I day WOW!

772 people found this helpful

Helpful

lautml

The Best Generator!

Reviewed in the United States on March 4, 2019

Style: DS4000SVerified Purchase

The media could not be loaded.

UPDATE: After sitting for a year, with original gas, the unit fired up like new. It handled refrigerator, 55" TV, Dish box, internet modem, house phone, and portable heater with ease. You just can't go wrong. BONUS: After 8 hours it only used 3/4 tank of gasoline.

First off, Amazon had this generator on my door step in 2 days. Secondly, I looked @ many Amazon reviews. Then I went to Youtube and found out this generator had been around for a long time. 4 stars is great on Amazon, but this unit had 4 and a half stars. I took the packing braces off, and followed the instructions. My intent was to pull the cord real slow to give the oil some time to slosh around. My plan did not work. I pulled the string a literal hair and the unit fired up. I have never seen anything like it! I have had several new mowers and weed eaters, and NOTHING started this easily, and I mean nothing! I plugged in TV/Dish, refrigerator, portable heater, heating pad, tablet.....and everything worked like a charm. I would do a TV commercial for this company. Thank you Amazon for recommending this generator. BTW, my husband is talking in the video.

259 people found this helpful

Helpful

Chris E

NO, don't buy this!

Reviewed in the United States on November 13, 2018

Style: DS4000SVerified Purchase

Don't buy things like generators off Amazon - No support!

Ran the first time 4 months ago and now it doesn't. If you want to learn about how gas motors work then this one is for you! Called tech and I've drained gas out, replaced the spark plug, replaced the oil, sprayed the carburetor, removed the carburetor for cleaning and it still doesn't work. If I'd bought this from Costco or any other brick and mortar store I could have just taken it back. I'm out $ and time I've spent on this POS.

224 people found this helpful

Helpful

Rami

Saved the day

Reviewed in the United States on December 23, 2017

Style: DS4000SVerified Purchase

The media could not be loaded.

I got the generator at noon, I gave it a quick test run, Attached the wheel kit and stored it my garage.
At 6pm we had an outage, I pulled out the generator, started it, Attached my long extended cord and saved the day!
The first run was very simple, I just followed the instructions.
The only problem I had, is that the generator not coming with any oil, I had gas in advance but needed to jump to the gas station to buy 10w-30 oil.

274 people found this helpful

Helpful

Janine Smith/Steve Citron

Powerhouse.

Reviewed in the United States on July 5, 2019

Style: DS12000EHVerified Purchase

Been running this on propane and it runs good. Conflicting instructions, some say don't choke for propane and others say do choke. I had to choke. Ajighle the choke lever until you get it running really smooth. Also, instruction sheets were hidden on top of motor when I got it and ignition keys are in that packet, so I had to call company to figure out where they were. Negative battery cable needed to be connected, none of instructions tell you that, I had to read the reviews. That all said it seems to run good.

84 people found this helpful

Helpful

EatMoreVeggies

The engine runs fine, but no electricity is being generated

Reviewed in the United States on July 23, 2018

Style: DS4000SVerified Purchase

Purchased this unit a couple of years ago. It has run for max 10 hours total, and now it will not generate electricity. The engine runs fine, but no electricity is being generated, no activity on voltmeter, no power in outlets.
Can not be relied upon in emergencies.

118 people found this helpful

Helpful

Trevor Mankus

Great unit for a great price!

Reviewed in the United States on June 5, 2012

Style: DS4000SVerified Purchase

I ordered this generator after the last season of hurricanes and storms in Northeast USA. My house is in a flood prone area and I wasn't going to go through another entire hurricane season with sleepless nights. My old generator stopped working last year so I knew I was in the market for a new one.

I paid $299 for this generator off of Amazon and another $39 for the wheel kit (DuroStar DS4000S-WK Wheel Kit for DS4000S). As of writing this review, the generator is down to $289.00. Either way, I would have paid $350 for this unit!

The packaging was great. There was no damage to the unit during shipping. My biggest complaint about packaging is that some oil seemed to seep out of the unit and onto the box so I had to be careful when opening it up. I ended up having to wipe the units frame down with a rag to dry it off. The unit does not ship with oil, but someone must have put oil in it at one point to test it out because there was a lot of oil in the box. One other note, be sure to remove the shipping mounting bracket! The easiest way to do this is to use the provided tool and loosen the nuts and bolts while the unit is sitting level.

We have not had to use this unit yet (thankfully) but I did get it running. I recommend purchasing an all purpose or transmission fluid funnel from your local automotive shop - this will help you to fill the oil tank without getting oil all over the place. The location of the oil fill is not very convenient, but with the proper funnel it isn't much of a headache. I imagine in the middle of a storm though that this could prove to be a huge design flaw. Once oil was added, I threw in some Unleaded 87 octane gasoline and it started up on the second pull. I let it run for about 5 minutes. The unit is QUIET! Very quiet. I would even go as far as to say that my lawn mower is louder than this generator. I was able to put my head right next to the generator without issue, and I could not hear it running from inside of my house. Very impressed with the volume!

Attaching the wheel kit was a pain to say the least. The location of the bolts is a problem, and the bolts and nuts are different wrench sizes which is another problem. It makes installation a bit of a pain. I would say though that having this generator on wheels is very helpful. I would recommend the wheel kit to anyone interested in this generator.

Thanks - I hope this was helpful.

---------------------------------------------------------------
UPDATE AFTER FIRST USE (HURRICANE SANDY - 10/29/2012)
---------------------------------------------------------------
Hurricane Sandy hit us hard and we were estimated to be without power for 5 days. I prepared the generator the day before it hit, filled it with gas, checked oil level, and then started it up. It started right up! I then followed the instructions:
- Let generator run for a few minutes before plugging in any load
- Plug in all load starting with most intensive first
- Flip breaker to ON

It has been 4 days without power now and this generator has powered the following (at different times):
- (2) 1/2HP sump pumps
- (1) refridgerator/freezer and (1) microwave
- (1) refridgerator/freezer and (1) HVAC system for heat
- (1) refridgerator/freezer and (1) Verizon FiOS system
- Miscellaneous items [cell phone chargers, hair irons, radio, etc.)

The unit does not have a wattage meter to show you the current load but you should do your due diligence to know how much power various items draw. I can judge how must stress I put on the unit by keeping a note on how long 4 gallons of gas gets me. The unit says 4 gallons = 8 hours on full load. I am getting 4 gallons = 16 hours so I am only putting the unit through half load.

I changed the oil 20 hours into running per the manual. From what I understand this is very important! Don't skip this step. I had a hard time removing the oil drain plug (10mm hex wrench) so I ended up removing the oil cap and tilting the unit to the side to drain the oil which removed almost all of it. Again, it started right up afterwards with no issues.

Lastly, compared to all of my neighbor's generators, this one is the quietest by far!

Bottom line - if you treat this generator right and maintain it, it should return the favor and save your butt in times of need. We have a 1 yr old daughter and without this generator it would have been a difficult few days.

---------------------------------------------------------------
UPDATE AFTER STORAGE (Fall 2012 - Fall 2014)
---------------------------------------------------------------

I recently pulled the generator out of storage to turn it over and let it run for a bit. When I stored it in 2012 I changed the oil and emptied the gas tank, so all I had to do was put a bit of gasoline in and start it up. I'm happy to report that it started up on the first pull without issue. I let it run for about 5-10 minutes, then closed it down for storage again (drained gas tank). I am extremely satisfied with this purchase!!

---------------------------------------------------------------
UPDATE AFTER STORAGE (Fall 2014 - Spring 2018)
---------------------------------------------------------------

It's been a little over 5 years since I had to use this generator with Hurricane Sandy - 10/29/2012. I just pulled it out of storage again to see if it would run. Ended up having some trouble. Replaced oil, fresh gasoline, still wouldn't run. Ended up having to take the carb off and clean it out as it was all gummed up inside. After cleaning it and putting it back together, started up 1st or 2nd pull of the cord. Runs like a champ still and generates power without any issue. My only warning is that you really need to make sure you keep FRESH gasoline on hand. It seems this generator does not like gas that has been sitting around for 6+ months. I've started adding fuel stabilizer to the tank to see if that will help and then cut off the fuel line and let the engine die that way to help clean out the carb.

This generator doesn't owe us a dime. Great purchase.

PLEASE MARK THIS REVIEW AS HELPFUL IF YOU FOUND IT HELPFUL!

2,718 people found this helpful

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Top reviews from other countries

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Pierre Filion

As good as it gets

Reviewed in Canada on January 15, 2018

Style: DS4400EVerified Purchase

Great generator for its size and price. Started at -23c on electric and -33c pull start no problem. Would definitely recommend to anyone looking for a generator of this class. Recomend using preminum grade gasoline to avoid ethenol related complications. The only problem is that the starting battery is no longer working only 7 month after purchase dispite making sure it was maintained properly. After 3 power outages it did what it was expected to do. I also use it to power my air compressor or my electric garden tiller when needed.

One person found this helpful

Brooke

Generator

Reviewed in Canada on May 30, 2019

Style: DS4400EVerified Purchase

Light weight. And easy to use!!

rogerdoucet

Five Stars

Reviewed in Canada on May 19, 2015

Style: DS4400EVerified Purchase

Fonctionne tres bien, delais totaux de la commande a la livraison 3 jours seulement

One person found this helpful

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Amazon Customer

It is a very good generator easy to set up and test run

Reviewed in Canada on December 1, 2016

Style: DS4400EVerified Purchase

It is a very good generator easy to set up and test run . It is very nice to have the electric starting feature / starts up instantly. The price was far below any equivalent units . Also all the voltage readings specs and tests have shown me that this unit is a winner cheers Dan.

2 people found this helpful

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Durostar DS4000S Portable Generator, Yellow/Black

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