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.
Great for camping, RVs, sporting events, home back-up power, job sites, and more, the DuroStar DS4000S gas-powered generator has a 7.0-horsepower air-cooled overhead valve engine with a recoil start that cranks out 3,300 constant running watts of power (and a peak of 4,000 watts; learn more about wattage needs below). This rugged workhorse is ideal for a wide variety of uses from getting you through a power outage to keeping you and your family supplied with all the necessary conveniences of home while being miles from nowhere.
Heavy duty steel frame with four-point fully isolated motor mounts (view larger).
Recoil starting (view larger).
Note for California residents: This model is not CARB-compliant. Units sold to California must be CARB-compliant.
The power panel features the main controls, including start switch, volt meter, and circuit breaker. It offers two 120-volt, 20-amp, 3-prong outlets (NEMA 5-20R) to supply power to all of your home appliances, plus one 120-volt, 30-amp outlet (NEMA L5-30) for high-powered tools.
The DS4000S has an 8-hour run time at 1/2 load, and it has a 4-gallon fuel tank that also includes an easily readable gauge. The heavy duty steel frame has four-point fully isolated motor mounts for smooth and quiet operation. Other features include a recoil start, super quiet muffler that reduces engine noise (69 dBA rating), and automatic low-oil shut off to protect the engine. An optional wheel kit is also available for the DS4000S, enabling easy portability. Backed by a 1-year limited warranty.
What’s in the Box
DuroStar generator; tool kit; operating instructions
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| Compare the DuroStar Portable Generators |
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No |
No |
No |
No |
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Gas |
Gas |
Diesel |
Diesel |
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— |
Yes |
— |
— |
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Open steel frame |
Open steel frame |
Open steel frame |
Fully enclosed frame |
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3,300 |
3,500 |
5,500 |
5,500 |
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4,000 |
4,000 |
6,000 |
6,000 |
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7.0 hp air-cooled OHV |
16.0 hp air-cooled OHV |
186F single-cylinder, 4-cycle, air-cooled |
186F single-cylinder, 4-cycle, air-cooled |
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Manual |
Electric/manual |
Electric/manual plus wireless remote |
Electric/manual plus wireless remote |
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Yes |
Yes |
Yes |
Yes |
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No |
No |
Yes |
Yes |
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4.0 |
7.0 |
3.83 |
3.83 |
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8 hours |
8 hours |
12 hours |
12 hours |
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(2) 120V, 20-amp, 3-prong; (1) 120-volt, 30-amp twist-lock |
(2) 120V, 20-amp, 3-prong; (1) 120-volt, 30-amp twist-lock |
(2) 120V, 20-amp, 3-prong; (1) 120-volt, 30-amp twist-lock; (1) 120/240-volt, 30-amp twist-lock |
(2) 120V, 20-amp, 3-prong; (1) 120-volt, 30-amp twist-lock; (1) 120/240-volt, 30-amp twist-lock |
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Optional |
Flip-up |
Flip-up |
None |
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Optional |
Knobby all-terrain |
Slick style |
Built into bottom |
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1-year, limited |
1-year, limited |
1-year, limited |
1-year, limited |
Your Generator Needs
To determine whether a generator is appropriate for your needs, you need to first add up the wattage of tools, appliances, and motors you want to run at the same time. Then select a generator with the running wattage rating to match or exceed the total load.
Keep in mind that tools and appliances with electric motors require additional surge wattage at startup that can be double or triple the normal running wattage requirement. Look at the surge watts required and make sure you choose a generator with enough additional wattage to start them. (And remember that you’re typically not starting more than half of the items at the same time.)
Here’s a sampling of power ratings for common household appliances.
| ITEM |
RUNNING WATTS |
SURGE WATTS |
| Furnace Fan (gas or oil only) 1/8 HP |
300 |
500 |
| 1/6 HP |
500 |
750 |
| 1/4 HP |
600 |
1000 |
| 1/3 HP |
700 |
1400 |
| 1/2 HP |
875 |
2100 |
| Refrigerator |
700 |
2200 |
| Microwave Oven |
625 |
800 |
| Coffee Maker |
1750
|
0
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| Toaster |
1050-1600 |
0 |
| Electric Range/Oven |
12,500 |
0 |
| Well Pump |
1/3 HP |
750 |
1400 |
| |
1/2 HP |
1000 |
2350 |
| Sump Pump |
1/3 HP |
800 |
1300 |
| |
1/2 HP |
1050 |
2150 |
|
| ITEM |
RUNNING WATTS |
SURGE WATTS |
| Lights |
On Bulb
|
|
| Television |
300 |
0 |
| Garage Door Opener |
1/4 HP |
550 |
1100 |
| |
1/3 HP |
750 |
1400 |
| Portable Heater |
100-1500 |
0 |
| Hair Dryer |
1100-1600 |
0 |
| Iron |
1200 |
0 |
| Water Heaters |
Gas |
500 |
1500 |
| |
Electric |
7000-7500 |
0 |
| Computers |
Desktop |
600-800 |
0 |
| |
Notebook |
200-250 |
0 |
| |
Monitor |
200-250 |
0 |
| Printer |
400-600 |
0 |
| Fax Machine |
600-800 |
0 |
| Cordless Telephone |
100 |
0 |
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Note: These are only estimated wattages. Please check your particular appliance for actual wattage.
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Cost-effective Emergency Power 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…
Setup was easy – Add Oil & Gas one pull cord and up and running 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…
Excellent Generator – Great For Post Hurricane Outages I purchased this generator for the occasional power outages of my home to run things like my refrigerator, TV, and computer. And while it is rated at 3,300 watts continuous, (4000 watts peak), my experience with it has been quite impressive. Here are my pros and cons:PROS:Inexpensive – This is quite a deal in my opinion for a 3300 watt generator.Fairly quiet.. They advertise 69 db. It’s not super quiet, but this is what I expected for a 3300 watt…