DuroStar DS4000S (Discontinued)
The DuroStar DS4000S is a compact open frame generator with a rated wattage of 3,300 W and a starting wattage of 4,000 W. (Read full specs)
This product has been discontinued. We've kept this page live for reference.
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Description
The DuroStar DS4000S 4,000 Watt Generator is designed for light duty emergency backup applications. This Generator has everything a Great Generator needs, but at a price that everybody wants.
Zoom on the DuroStar DS4000S
In short, the DuroStar DS4000S is a compact portable generator adequately designed for:
- RV travellers looking for even more independence
- People occasionally participating in outdoor fairs, festivals or events
- DIYers who wish to improve their efficiency with tools
- Homeowners in need of an emergency backup power for their essentials
The subsequent sections will explore in detail its power characteristics, the diverse outlets it provides, its overall portability, and the supplementary features it offers.
Power & Run Time
The DuroStar DS4000S
Running on gasoline, the DuroStar DS4000S operates with a 208 cc (7 hp) DuroStar OHV 4-stroke engine, delivering 120V, with a running wattage of 3,300W and a peak wattage of 4,000W.
Rated for 69 dBA (less noisy than an office), the generator's starting mechanism relies on a classic hand-operated recoil starting mechanism.
Featuring a 4 gallons fuel tank, the DS4000S provides continuous power for up to 26 hours on a full tank (fuel consumption around 0.15 GPH).
As the DS4000S exhibits a THD of less than 12%, which is relatively high, it is best avoided for powering sensitive electronic devices.
Outlets
The control panel features the following 3 AC outlets:
This DuroStar generator features an L5-30R receptacle, enabling an easy RV connection via an L5-30P to TT-30R adaptor. However, it is still not quite RV ready.
Portability
Measuring L23 x W18 x H17.5 in, the DuroStar DS4000S showcases a classic open frame layout, offering stability and simple maintenance access to components, while facilitating air circulation. The generator is designed for outdoor use and demanding environments.
At 92 lbs, the DS4000S is easily managed, ensuring it can be brought along wherever you need power. Furthermore, the generator's open frame construction allows for easy grabbing and movement.
Additionally, you can acquire the official wheel kit (opens in a new tab) to simplify the transportation of the DS4000S.
Features
The DS4000S's control panel
The DS4000S and its control panel include a convenient voltmeter, which provides an easy way to monitor power output anytime. This feature comes handy when monitoring its status and activity.
In addition to this info, the generator's light indicator provides visual feedback when the oil level is too low.
A built-in fuel gauge allows for a quick, easy and convenient check of the fuel level of the generator.
From a security point of view, the generator is equipped with an overload protection (circuit breaker) and an automatic low oil shut-off, giving you a peace of mind during use.
Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the DuroStar DS4000S also is packed along with the following accessories: funnel and tool kit. An official storage cover is also available, as a separate purchase.
Product Videos
The DuroStar DS4000S versus other generators
The following charts are provided to give you an idea of how some of the key specs of the DuroStar DS4000S compare to generators of similar power (between 2500 and 3500 W).
- Having a dry weight of 92 lbs, the DuroStar DS4000S belongs in the expected weight range for generators which produce 2500 to 3500 rated watts. Weight-conscious users may find the Pulsar PGD40iSCO appealing, as it is one of the top contenders in this power range, weighing just 46 pounds.
- When compared to devices able to produce a similar running wattage, this generator and its lowest emitted noise of 69 dBA is on the noisier side. If you wish to prioritize minimal noise, the Honda EU3000iS stands out as one of the quietest options among generators of similar power, with a rating of 50 dBA.
- With a run time of up to 26 hours at 25% load, the DS4000S has one of the highest run times, compared to its similarly powerful peers.
- Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. With a fuel consumption rate around 0.15 GPH (gallon per hour) at 25% load, this generator is one of the more fuel-efficient models within the aforementioned wattage range. If you wish to get a unit of similar power, but with one of the best fuel efficiency, you could consider the Honda EU3200i, which has an impressively low fuel consumption of 0.14 GPH.
The bottom line
- High run time
- Fuel efficient
- Decent weight (92 lbs)
- No electric start
- On the noisy side (69 dBA)
Do you own the DuroStar DS4000S and agree (or disagree) with these strengths and weaknesses?
Let us know and write your own review.
Features and Specifications
| Inverter | No |
|---|---|
| Parallel capable | No |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 208 cc DuroStar OHV 4-stroke |
| Starting system | Recoil |
| Warranty | 3 years |
| Voltage | AC: 120V 60 Hz |
|---|---|
| Running watts | 3,300 W |
| Starting watts | 4,000 W |
| Running amps | 27.5 amps |
| Peak amps | 33.3 amps |
| Run time @50% load | 12 h |
| Run time @25% load | 26 h |
| GFCI outlets | No |
|---|---|
| Covered outlets | No |
| Automatic Voltage Regulation | Yes |
| AC outlets |
|
| DC outlets | No |
| Data center | Voltmeter |
| Indicators | Low oil |
| Fuel tank | 4 gal |
| Fuel gauge | Yes |
| Weight | 92 lbs |
|---|---|
| Approx. dimensions (L x W x H) | 23 x 18 x 17.5 in |
| Noise (lower limit) | 69 dBA |
| THD | < 12% |
| Compliance | CARB, EPA |
| Security | Low oil and overload protection |
| Spark arrestor | Yes |
| Neutral | Floating |
| Accessories included | Funnel and tool kit |
| UPC | 811640011840 |
We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.
About DuroStar
The DuroStar brand belongs to DuroMax, a company founded in 2003 and based in Ontario, California. DuroStar generators usually have a DuroMax twin, and only differ in their color scheme and in the factory in which they were produced. While DuroStar generators and engines are manufactured in China, the design and servicing centers reside in the US.
Warranty Information
The DuroStar DS4000S is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of DuroStar generators, please consult DuroStar's (DuroMax) warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-844-DUROMAX (844-387-6629).
Questions & Answers
What can it power?
| Item | Running Watts | Starting Watts | |
|---|---|---|---|
| At home | Refrigerator (energy star) | 192 | 1192 |
| Hair dryer | 1800 | 1900 | |
| Coffee maker | 600 | 600 | |
| Pair of small speakers | 45 | 45 | |
| Total | 2637 W | 3637 W | |
| For camping | Radiant heater | 1300 | 1300 |
| RV refrigerator | 180 | 600 | |
| RV AC (11,000 BTU) | 1010 | 1600 | |
| Radio | 100 | 100 | |
| Pair of small speakers | 45 | 45 | |
| Total | 2635 W | 3225 W | |
| For work | Grinder | 1400 | 2500 |
| Disc sander | 1200 | 1200 | |
| Total | 2600 W | 3700 W |
