DuroStar Portable Generator – 4000 WATTS – Cheap RV Generator

Editor rating

4/5 on December 2, 2016

User's rating


Heavy Duty
Full Power Panel with Voltage
Easy Start
Cheap RV generator with 3,300 Watts of running power
Can support numerous electric appliances
Runs for 8 hours on ½ load


No Wheels (kit sold separately)
Maintenance Required
No Watt or Amp Meter
Weighs 92.4 pounds

Powerful and Cheap RV Generator: DuroStar DS4000S

rv generatorIf you are looking for a cheap RV generator that would actually manage to provide you with sufficient power to enjoy the comforts of a good RV, the DuroStar DS4000S is a great choice. This power tool is truly exceptional when you consider its price-to-value ratio. It produces 3,300 Watts of running power, which is enough to support a variety of electric appliances. Its fuel consumption rate is adequate, which enhances the cost efficiency of the tool. You can also use it at home as a power source for emergencies, take it with you on a camping trip, or use it as one of your generators for travel trailer. It may not be as small and quiet as portable inverter generators, but the DuroStar DS4000S can provide you with a much larger amount of energy.

DuroStar DS4000S RV Generator Motor

The thing that makes the DuroStar DS4000S such a good cheap RV generator is its motor. It’s a 4-stroke OHV engine that features a forced air cooling system. The 7 horsepower motor can achieve 4,000 surge Watts and run smoothly at 3,300. This would support some large appliances, such as the fridge and air conditioner, which are both essential for comfortable RV adventures.

Fuel Type and Runtime of the DuroStar DS4000S

The DuroStar DS4000S has a 4-gallon gas tank and that fuel would be enough to support it for 8 hours when running on half-load. Any unleaded gas would do, which allows you some flexibility when planning the fuel costs.

This particular cheap RV generator features a fuel gauge. It’s a very helpful thing and not all power tools in the same category include it. The gauge allows you to monitor the level of fuel so you know exactly when to add some more. This eliminates the risk of damaging the equipment if it runs completely dry.

The engine is further protected by the automatic low-oil shutdown feature, which would stop it if you forget to add some fresh oil.

rv generator

DuroStar DS4000S: Quiet and Powerful Cheap RV Generator

The advantages of the DuroStar DS4000S extend beyond its ability to provide you with a high level of power when guaranteeing a reasonable rate of fuel efficiency. This generator is also relatively quiet. It produces about 69 dB of noise, which is only a little above the sound level of an average conversation, which is 60 dB.

Bear in mind that this isn’t one of those tiny generator models that give out the maximum of 2,000 Watts and are specifically designed to be as quiet as possible. The low noise level of this model is achieved through the super-quiet muffler.

DuroStar DS4000S Features

The DuroStar DS4000S comes equipped with a power panel that contains all the vital controls as well as the fuel gauge, outlets, and a voltmeter. This makes the tool very easy and convenient to use.

The panel also has the oil alert lamp, which would remind you to change the oil. There is also the circuit breaker.

The generator is equipped with a large steel frame, which ensures its stability. Due to its shape, it also makes it easy to move the tool around. The package comes with the special tool kit that contains all the necessary items for servicing the generator. The Operating Manual is included, so you’ll know how exactly to care for the device properly.

DuroStar offers a 1-year limited warranty for their generators.

This DuroStar cheap RV generator has:

  • Two 120V, 20A 3-prong outlets
  • One 120V 3-prong outlet for high-power appliances

durostar generator

The Bottom Line

The DuroStar DS4000S is one of the best power tools in its class. This is a truly cheap RV generator that offers an output and reliability comparable to devices that cost over two times as much.
It does have some limitations, such as a relatively high noise level of 69 dB, but it offers great value for your money. You can use it for any kind of an RV adventure as well as a backup power source for home. At 50% of the load it can work for 8 hours, which means it would effectively support all your most important appliances through the night. It’s a good power source for camping expeditions if you are willing to take an extra 92 pounds. However, with this generator, your trip to the woods would be as comfortable as possible.

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