DuroStar DS4000S Portable Generator

DuroStar DS4000S Portable Generator


Overall Rating
Surge Increase (Wattage)
Fuel Efficiency
Running Time
Fuel tank Capacity

The DuroStar DS4000s portable generator packs a lot of power into a unit that will enable you to use it for many different jobs.

It’s a workhorse of a portable generator, able to power anything from AC units to home power for things like the refrigerator and lights. The air-cooled 7 HP engine can handle a lot of use and the price is great too.

Whether you’re looking for a unit for the worksite or to keep your home running in the event of a power outage, this DuroStar DS4000s portable generator is a great choice.

Fuel Type, Efficiency, Capacity and Run Time

This powerful, gas powered portable generator runs on unleaded gas. The large 4 gallon tank has an easy to read gauge so you never run out of gas, and provides you with 8 hours of run time at 50% capacity.

Oil Information

You never have to worry about the oil getting too low and causing problems with the engine.  The DuroStar DS4000s has a low oil shut off and indicator light that lets you know just where the oil level is.  If it gets too low, and you lose track of time, it will shut the generator off to protect the engine from permanent damage.

You should use 10W-30 oil in your DuroStar portable generator and you don’t need to add gasoline or other additives to it.  The oil tank capacity I 20 fluid ounces. If the temperatures that you are using your generator in are extremely cold or extremely hot you can use 5W-30 (for extreme cold under -20) and SAE 30 (extreme heat over 100 degrees)

Noise Level

No one wants to have a super loud generator running right by their heads when they are camping, and disturbing the neighbors can also be a concern.  The DuroStar DS4000s runs at 69 dB at 23 feet.  If you are traveling to a campground or state park and will be using your generator be sure to call ahead and find out what the decibel restrictions are because almost every state park and most campgrounds have them.  You don’t want to get there and find out you’re without power because your generator is too loud.

Wattage (continuous and maximum)

Your DuroStar portable generator has a wattage capacity of 3300 constant and 4000 surge watts.  This is more than enough power to run an overhead AC unit in an RV and can handle basic house power as well.  It is important to know what your wattage needs are before you purchase a unit and then you can make sure that you get the unit that will have enough wattage to handle your family’s needs.

It also depends what you are using your portable generator for most often.  If you camp a lot and have things you want powered on your camping trips, that may be a lower wattage requirement than if you want to power as much of your house as you can.  Add up the individual wattage requirements for the items you feel are must haves and go from there. Never overload your generator due to the problems and dangers this can cause.  It is always better to get a unit that has a little MORE power than you need rather than less or just meeting the requirements.

Other Features

DuroStar DS4000SaDuroStar DS4000s has many additional features for its users that make running it even easier.  These features include:

  • Heavy duty frame
  • Full power panel with oil warning light
  • volt meter, circuit breaker and power outlets
  • EPA Approved
  • EZ pull recoil start
  • Generator tool kit
  • Optional wheel kit (not included)


DuroStar offers consumers a one year limited warranty on their generators. Warranties are always important in case something goes wrong that is a manufacturer problem. Always make sure a unit you are considering has a warranty of some kind for your protection.

What are Customers Saying?

Make sure that you check out customer feedback and comments whenever you are considering a large ticket item like a portable generator.  People are almost always very open about their personal experiences with a product they have purchased and you can learn a lot from what they are saying.  Below are some of the things customers have to say about the DuroStar DS4000s portable generator.


The DuroStar is a great portable generator with plenty of power for the average home.   It is reliable, durable and perfect for many different jobs, from taking on a camping trip to keeping essential pieces of equipment running during a power outage. Customers love this unit and it consistently surprises those who purchase it with its excellent run time, quiet muffler and more.  You will get a lot of use from the DuroStar portable generator and will have it for years to come.

For more Information and to order yours, Click the Link below:

DuroStar DS4000S Portable Generator