DuroStar DS4000S Gas Powered Portable Generator

DuroStar DS4000S Gas Powered Portable Generator Review

The DuroStar DS4000S is an inexpensive, user-friendly portable generator with EZ-pull recoil starter.  The easy pull recoil starter offers an effortless starter and one of the best reasons which made it popular among the public.  It comes with many advanced features like low oil warning, automatic shut off features, etc.  All generators will have its advantages and disadvantages, and some of the unique features rule over the competitors. In this review, we shall do an in-depth study about the DuroStar DS4000S Portable Generator, which will help the readers to have a better understanding of the generator.

What’s the price?

In Brief

DuroStar DS4000S is one of the top-rated RV generators available in the market and take on any of its competitors in affordability, power delivery and performance. It is an ideal option for many of your power requirements, such as a power backup for office or house, construction site or camping requirements, etc.   It comes in a compact design and with friendly features.  From a starting deliverance of 4,000 watts, the generator stabilizes at 3,300 watts continuously, which is ample enough to meet your power requirements.

The generator runs on regular gasoline, and with the given 4-gallon capacity, you can run it for 8 hours continuously, if using 50% of the maximum load. This is a decent level of fuel consumption rate when compared to its sole competitors. The easy to monitor fuel gauge will give a seamless operational comfort. The EZ-pull recoil type of starting system helps people of any age to operate the generator without much effort.

Highlighted Features

Automatic Low Oil Shutdown

With the automatic low oil shutdown system, the generator lets the machine turn off by itself whenever a low oil level detected, which prevent the generator engine from any possible damages. Unlike other generators, where you need to keep an eye over the oil levels, this generator is a promise that can help you at any adverse conditions and protect the health of the generator automatically.

Heavy-duty Steel Frame For Lower Noise Levels

The DuroStar DS4000S generator has built using heavy-duty steel frames surrounding the motor and holds it from four different consecutive points. The motor gets isolated once they are enclosed in this way, which makes it run quietly, both indoor and in the outdoors. In addition to the above features, the design of the muffler helps in reducing the engine noise levels substantially.

4-gallon Tank Capacity

The 4-gallon fuel tank capacity is enough to run your air conditioner, refrigerator, two light bulbs, and TV continuously for ten hours.  The large fuel tank capacity is a blessing for people who face constant power interruptions. Also, filling up the tank is a simple process. With the help of an easy to read fuel gauge, you can measure the fuel requirements and fill the required gas with proper precautions.

Multiple Power Outlets

This portable generator has three unique power outlets that let you use one 120V outlet, two 120V 20 Amp power outlets and a 30 Amp 3 pin outlet which is ideal to use for consuming 30Amp power. As it produces a constant flow of 3,300 watts of power, you can comfortably use a microwave oven, refrigerator, and coffee maker simultaneously.


  • Gas powered
  • Multiple power outlets
  • 4 Gallon tank capacity
  • Automatic low oil shutdown
  • 8-hour continuous running time
  • Easy to read fuel gauge
  • Low noise
  • EPA approved
  • Manual recoil start


  • Not best for electronic equipment
  • No amp or watt meter
  • Frequent oil changing required


Considering the easiness to operate and steady power supply, the DuroStar DS4000S is a decent backup RV portable generator for your home and office.   The generator enjoys tremendous appreciation from many of its happy customers and offers excellent value for the money.  It is highly energy efficient, running on gas and enjoys EV approval, which is a significant advantage against its peers.  Priced at a very affordable range, these generator designed to serve you for an extended period.


Comparing to the similar standard generators of the class, we can find that the DuroStar DS4000S can produce the power required for your RV and also can support to operate three to four appliance simultaneously.  You can use it as a backup power generator for your office or home.  With a continuous 3,300-watt power supply of 8 hours, it can meet all most all of your reasonable power requirement.  Its pricing substantiates with the features and offers the best value for the money.

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DuroStar DS4000S Rating


Our Rating



  • Air cooled OHV engine
  • Heavy duty steel frame
  • 8 Hour run time
  • 4000 Watt Surge
  • 4 Gallon gas tank

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