DuroStar DS4000S

Are you looking for a budget-friendly generator that produces an average output? Try out the DuroStar DS4000S generator since it perfectly balances between the performance and price. As the name suggests, it produces an output wattage of 4000W that is enough to run the essential devices like lights, fans, refrigerators, and microwave ovens.

DuroStar DS4000S generator is people's favorite since it comes at an affordable price with all essential features. Since this generator is a complete package of your expectations, it is a wise investment. Very importantly, it is a top-selling generator in today's market. In addition, it is suitable for running whole-house appliances and a range of power tools on construction sites. In this article, we have given a detailed review of the DS4000S generator. Keep reading to know the impressive features of this generator.

Is the DuroStar DS4000S generator worth buying?

An average output of 4000W is sufficient to run the essential devices during a power shortage. It is a perfect companion for RV enthusiasts, camping, hunting, job sites, and homeowners. This generator comes with a power panel consisting of a start switch, voltmeter, and circuit breaker. So, it is easy to access the generator's working through the control panel. In case of overloading, the circuit breaker will cut off the power supply and protect the engine from damage. In addition, the power outlet like one 120V 30A outlet and a pair of 120V 20A outlets is enough for heavy ampere appliances like air conditioners.

With a 4-gallon fuel tank, you can obtain a runtime of about 8 hours at an applied half load condition. This generator is steel-made with a durable design and can withstand any bad weather conditions with no loss in performance. Apart from this, DuroStar is very much concerned about customer safety. So, all the DuroStar generators come with safety features like a low oil shut-off system and overload protection.

DuroStar DS4000S generator- Product overview

DuroStar DS4000S generator is one of the top-rated generators. It surpasses your expectations in terms of reliability, efficiency, and performance. Very importantly, it is available at a reasonable price. Buying this generator with a power outage of 4000W is always a good decision. This generator is the best companion for remote areas where power availability is difficult.

Generally, if you are hunting for a generator for camping or RVs but expecting the product to fall under your budget, the DS4000S generator is a good choice. This generator comes with user-friendly features that help you out to operate the engine easily. Undoubtedly, you can start the generator with a single pull using an EZ-pull recoil starter. In addition, there is a LED light to indicate when the oil level is low. Apart from this, there is an automatic fuel shut-off system that brings the engine to halt after utilizing the fuel remaining in the carburetor. So, you can protect the engine from malfunction.

When it comes to fuel tank capacity, it is medium-sized and can hold 4-gallon of fuel. This generator comes with a fuel gauge to alert the operator about the low fuel levels. So, you can protect the engine from running out of fuel. At rated half load condition, a full gas tank offers a runtime of about 8 hours. The control panel consists of a voltmeter to alert you about the output power. However, all the switches come with proper labels for easy identification. One thing is for sure! The steel frame design is robust. It protects the engine plus other internal components from external attacks. Thus, this generator is an ideal choice for outdoor activities. Though it is bulky, a pair of wheels and foldable handlebars support easy transportation.

Highlights of DuroStar DS4000S generator

  1. A powerful 208cc engine delivers a starting watt of 4000W and a running watt of 3300W to keep the essential devices active
  2. It is heavier and weighs about 94 pounds. But you can purchase a wheel kit for easy portability
  3. A 7 HP air-cooled engine delivers outstanding performance. A proper ventilation system will keep the engine, and other key components cool, thereby ensuring long term use
  4. A 4-gallon fuel tank offers a runtime of about 8 hours at an applied 50% load.
  5. This generator comes with a fuel gauge that indicates the fuel level. S, the operator can refuel the tank accordingly
  6. An exterior steel frame protects the whole unit from environmental attacks
  7. It is quiet and operates at a noise level of 69 decibels. But it consists of a noise muffler to cut down the rated noise level
  8. A low oil shut-off system will protect the engine from overheating.
  9. You can monitor the internal working of the generator using a power panel. There is an engine start switch, a voltmeter and a circuit breaker
  10. The power outlets like two 120V 20A household outlet, one 120V 30A outlet is more than enough to run multiple devices in parallel
  11. It comes with a year warranty
  12. It is simple and easy to operate the whole unit. The durable construction protects the generator from rough weather conditions
  13. This generator has a spark arrestor to prevent the spark from entering outside the unit during the engine's internal combustion
  14. Since it is EPA approved, it is suitable for both indoor and outdoor activities

Specifications of DuroStar DS4000S generator

Manufacturer DuroStar
Running watts and starting watt 3300W and 4000W
Item dimensions in inches 23x18x17.5
Engine displacement 208cc
Engine 7 HP 4-stroke
Certifications EPA, CSA approved
Noise level in decibels 69
Item weight in pounds 94
Warranty in years 1


A detailed review of DuroStar DS4000S generator

Output power wattage

The DuroStar DS4000S generator delivers a starting watt of 4000W and a running watt of 3300W. This average power is enough to run the essential devices like TV, lights, and fans.

You might need at least an average output of 3000W to run the power tools in construction sites. In the case of this generator, you will have additional power even after charging the essential devices. So, you don't have to look for parallel compatible options in this generator.

Engine type 

A powerful 7 HP 4-stroke OHV engine is an air-cooled engine that delivers a stellar performance. A 4-gallon fuel tank will offer a runtime of about 8 hours at rated half load condition. The safety features like a low oil shut-off system will shut off the engine when a low oil level is detected. In addition, the circuit breaker will disconnect the power supply at times of overloading.

Control panel and Noise level

The DuroStar DS4000S generator will operate at a noise level of 69 decibels. Since this generator comes with a noise muffler, you can minimize the noise level further. The control panel consists of an engine switch, voltmeter, and circuit breaker. So, you can access everything from a single spot. In addition, the power outlets like two 120V outlets and one 30A twist lock outlet are enough to run multiple devices at a time.


This generator weighs about 94 pounds which is quite heavy. The only downside of this generator is, it doesn't come with attached wheels. So, you can purchase a separate wheel kit for easy transportation. Wheel kit comes with screws, tires, braces, and a pull handle. It takes around 15 minutes for wheel setup.

Warranty and Certifications

DuroPower aims at providing reliable generators with improved durability. It comes with a year warranty. Anyway, the generator must undergo proper maintenance to extend the life span. In addition, you can minimize the maintenance cost. We advise you to read the manual once before operating the generator. Since the control panel switches are properly labeled, it is easy to identify the switch. Very importantly, this generator is EPA approved and has met all industrial standards. So, it is suitable for job sites.

Starting mechanism

This generator comes with an EZ-pull recoil starter. So, you can start the generator in an instant. Remember to detach the electrical cords while starting the generator. You will face difficulty in starting the generator. Ensure whether the circuit breaker is in OFF condition. After starting the generator, attach the electrical cords and turn ON the circuit breaker.

Oil Usage 

As far as gas-powered generators are considered, there is a period requirement of refiling the tank. Avoid overfilling the tank as it might overflow on the bot engine and cause an explosion. The manufacturer recommends changing the oil every 20 hours of operation.

Bestseller (lists)

Durostar DS4000S Portable Generator, Yellow/Black Garden & Outdoor

  • 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 i... Read More

Final words

To summarize, DuroStar DS4000S generator is a complete package of all basic features. Although it is available at a reasonable price, there is no compromise in terms of efficiency and performance. An average output wattage of 4000W is enough to run the essential devices during a power shortage. This generator is heavy and does not come with wheels. But you can purchase a wheel kit separately for easy transportation. In short, buying a DuroStar DS4000S is a good decision for which you will never regret later.

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