Durable DuroMax 7.0 Hp, air cooled OHV engine with low oil shutoff . Heavy duty steel frame with four point fully isolated motor mounts for smooth and quiet operation. Full power panel with engine shutoff switch, volt meter, circuit breaker and power outlets. (2) Fully protected 120V outlets and (1) 120V twist-lock outlet. 8 Hour run time. All steel 4.0 gal. fuel tank with ez-read gauge. Low oil shut-off protects engine. Super quiet muffler reduces engine noise. Specifications: Max AC Output: 4000 watts / Rated AC Output: 3300 watts. Current: 120V, (2) 120v 20A 3-prong outlets (Standard Household plug), (1) 120v 30A twist lock. Low oil shutoff. EPA approved engines. Super quiet exhaust w/built-in spark arrestor. EZ-Pull Recoil start. 7.0 Hp air cooled OHV engine. Fuel Tank Capacity: 4.0 gal. Decibel: 69 dBA. Run-Time: at 50-Percent Maximum Output: 8.0 hrs. Includes: Spark plug wrench? Shipping Weight: 135.00-Pounds.
We’ve found pros and cons of the product. But overall, It’s a supreme product and we are well recommend it! When you however want to know more details on this product, so read the reports of those who have already used it.
The DuroStar DS4000S 4,000 Watt 7.0 HP OHV 4-Cycle Gas Powered Portable Generator is one of the best-selling Product available in the market today, you can compare it easily in online and offline store. You can also see this product in Best Buy, Walmart, Costco, Ebay and AMAZON. But We just recommend you to purchase from AMAZON Online Store.
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DuroStar DS4000S 4,000 Watt 7.0 HP OHV 4-Cycle Gas Powered Portable Generator is so well-made. And it is not only you are going to please with this good conception and also you are going to satisfy with the reasonable cost in case you compare with the other similar item which is on the internet around the world.
Most helpful customer reviews
313 of 322 people found the following review helpful.
Cost-effective Emergency Power
By H. Zelizer
I bought this generator in preparation for hurricane Irene. Ordered it on Wen., it arrived on Fri., just in time to set it up before the storm (can’t beat Amazon Prime!). The generator was easy to set up and started in one pull. This generator provided power sufficient to run the refrigerator, a mini-split a/c unit, TV, and a couple of fluorescent lights for two days. Under this load, a full tank (4 gallons) lasted around 12-14 hours. This unit appears to be a Chinese import so I do have my doubts about long-term reliability, never the less, the DS4000 appears surprisingly well-constructed and capable for the price.Pros:InexpensiveEasy to OperateRelatively Quiet (compared to a 22″ lawn mower)CompactEasy to read fuel gaugeCons:Recommended oil change interval of 20 hours (change the oil every other time you fill the gas tank?)Oil drain obscured by frame below (as oil drains it runs along the frame and makes a mess)No watt or amp meter (Has volt meter, but why?)Earth grounding post and hardware (nuts and washers) are too smallPackaging is inadequate for UPS Ground Shipping (operating panel was dented on arrival)Update 9/18/2012It’s been a full year since I’ve used this generator. After Hurricane Irene, I drained the fuel tank and changed the oil. This evening the power went out, so I filled the tank and the generator started on the second pull. I love this thing!Update 11/5/2012Just got the power back after 7 days; this time it was Sandy The DS4000 proved itself as the little generator that could, running 16 hrs/day for seven days without a problem. I’ve been using synthetic oil (Royal Purple SAE 30) and extending the oil change interval to once every 2 days (32 hours of use). Doesn’t seem to use much oil, maybe down one or two ounces in this interval. I really do love this generator!
204 of 213 people found the following review helpful.
Great unit for a great price!
By Trevor Mankus
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 ONIt 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.PLEASE MARK THIS REVIEW AS HELPFUL IF YOU FOUND IT HELPFUL!
140 of 151 people found the following review helpful.
Setup was easy – Add Oil & Gas one pull cord and up and running
By Dennis Podgorski
We have used over the last 3 days to power fridge, 2 fans, charge mobile phones and laptops and run a few lights. We are getting approx a run time of just over 13 hours on one tank (4 gallon) of gas.Last night even hooked up the tv and cable so our son could watch some tv. Nick, Nick, Nick, Nickeloden. :)This morning it powered the coffee maker and iron so we could be awake and wrinkle free.I really did not expect the generator to run as long as it did on one tank so very happy with the purchase.Next thing to purchase is something to cover it in case of heavy rain. Setup a tarp over table with bungee cords last night but would like something quicker to setup.If we continue to have the power outage problem here in Oak Park we may look into the natural gas generator that hooks into electric system and fails over automatically. As always we will try to get it from Amazon our favorite store.We give the DuroStar DS4000S 4,000 Watt 7.0 HP OHV 4-Cycle Gas Powered Portable Generator 2 thumbs up and/or a 5 star rating. Bang for buck we are very happy with this purchase.
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