7 Best Diesel Generators for off Grid (Reviewed) in 2021

best diesel generator for off grid ReviewsWith natural disasters and calamities becoming more and more common it is always better to have an off-grid power source by your side. I believe that you should be ready for any eventuality.

One of the essential pieces of equipment which I keep in my arsenal is a diesel generator. The diesel generator can run for a long time, and you can always store more diesel to make it run longer. When I was looking for a diesel generator, I found that there are quite a few options available.

However, most of them are substandard. That is why; it can be a bit difficult to pick the right one. Today I will help you with the same and also explain how you can choose the best diesel generator for an off-grid experience.

Best Diesel Generator for off Grid in 2021

1. DuroStar DS7000Q – Portable Diesel Generator

DuroStar DS7000Q Portable Diesel GeneratorThe option which I am starting with has a power rating of 6500 W. The four-stroke single-cylinder generator works with a remote start. You can use the electric start feature. The low maintenance alternative means that you can use it for a long time.

When the fuel is on the lower side, it will shut down on its own. There is a proper panel to control the ignition. It incorporates various safety features like circuit breakers, low fuel indicator, vibration-isolating mounting mechanism.

The bottom wheels allow you to move it around with little effort. It is very quiet so you can use it in any surrounding. It has an exhaust on offer to release the smoke during the operation. Thus, when you’re looking for a versatile diesel generator, you can buy this one.


  • 6500 W power rating
  • Proper control panel
  • Incorporates safety features
  • Four-stroke single cylinder engine
  • Remote start and electric start feature
  • Low noise
  • Vibration isolating mechanism


  • Exhaust design is not efficient

2. Generac 6864 – Diesel Powered Portable Generator

Generac 6864 - Best off Grid Diesel Powered Portable GeneratorThe power rating of the generator which I am highlighting now is 5000 W. It has a durable steel frame so, the maintenance is on the lower side. The design has an air cooling injection which can keep the temperature lower.

The smooth operation along with less harmonic distortion means that you can use it in your premises easily. The fuel tank is of 12 gallons which allow it to run for a longer time.

There is a proper control panel to use it consistently. At 50% load, it can run for up to 32.4 hours. If longevity is your requirement, it scores over its peers.


  • 5000 W power
  • Low maintenance
  • Can operate at low temperature
  • 12-gallon fuel tank
  • Can run for a long time
  • Highly durable


  • Does not include an exhaust pipe

3. Pulsar PG7000D – Diesel-Powered Generator

Pulsar PG7000D – Closed Frame Diesel-Powered GeneratorThe power rating of this generator is 5000 W. The diesel generator comes along with Electric start which makes it easy to start using it. The four-stroke design increases efficiency.

It has an air cooler which helps you lower the temperature. The vertical diesel powered engine is efficient in its operation. The frame of the generator protects it from external wear and tear. It also reduces noise.

There is a proper control panel including the digital meter, voltage regulator and fuel gauge which makes it easy to use. The wheels make it highly portable. These features along with the modern design make it a good choice.


  • 5000 W of power
  • Electric start on offer
  • Enclosed design
  • Efficient control panel
  • Highly portable
  • Low noise


  • Customer support is not up to the mark

4. Generac power XD5000E – 5000W Diesel Generator

Generac Power – 5000W Diesel GeneratorI like the diesel generators with electric start. The next option on my list features the same. The power rating is of 5000 W. The steel frame makes sure that you can use it in any environment.

The air-cooled diesel engine keeps the temperature on the lower side. With the 12-gallon tank capacity, it can last for 32.4 hours on 50% load. The control panel is easy to understand.

You will not have to go through a steep learning curve to operate it. It means that if you’re looking for off-grid applications, it is an excellent generator to consider.


  • Electric start incorporated
  • Air cooled diesel engine
  • 5000 W of power
  • Steel frame
  • Easy to understand control panel
  • Can last for long hours


  • High noise

5. Amico AC4000LN – Portable Diesel Generator

Amico 4500-Watt-Portable-Diesel-Generator-with-Electric-StartOne of the requirements when looking for the best diesel generator for off grid applications is that the construction should be sturdy. If the build is sturdy, it is easy to move around the generator.

The option which I am going to highlight now has a power rating of 4500 W. With the electric start feature; you can get it up and running in no time. The single cylinder four stroke design makes it efficient. The fuel tank capacity of 12.5 gallons allows you to fill it once and use for a long time.

The noise output is 65 dB which helps you use it on any premises. The max engine speed is 3600 rpm which is adequate for such a generator. I feel that the enclosed and sturdy construction of this generator makes it a good choice.


  • 4500 due to power
  • Four-stroke single cylinder engine
  • Fuel capacity of 12.5 gallons
  • Low noise
  • Sturdy construction
  • Easy to move around


  • Start-up takes some time

6. Boss Precision Products – Portable Generator

8800-watts-Generator-Diesel-Portable-Boss-Precision-Product-The generator which I am highlighting now can offer 8300 W of power. The advantage of this generator is that the power generation capability is on the higher side. The four stroke air cooled engine makes it highly efficient.

It can operate at two different speeds which allow you to customize the performance of the generator. The wheels at the bottom help you to move it around. It is entirely weather-proof. The quiet operation allows you to use it day in and day out without any problem.

Since it provides a significant amount of power, you can easily use it for off-grid applications. When looking for a high power diesel generator, you can certainly consider this option.


  • Enclosed construction
  • Air cooled engine
  • 2-speed operation
  • Low noise
  • Portable design
  • The power rating of 8300 W


  • Run time of only 8.5 hours

7. POWER PRODUCTS 7000W – Silent Diesel Generator

POWER-PRODUCTS-Sigma-7000W-Silent-Diesel-Generator-EPA-ApprovedThe next option on my list is again a heavy-duty generator. The power rating of this generator is 7000 W. The electric start feature allows you to start using it in no time. The four stroke air cooled engine is low maintenance.

The enclosed design along with the elaborate control panel makes this generator a good option for off-grid applications. There is a voltmeter and AC circuit breaker to facilitate the operation of the generator.

An additional safety feature which can come in handy is the low oil alert. The wheel based design makes it easy for you to move it. Thus, when looking for the best diesel generator for off grid applications, you can certainly check this one.


  • 7000 W power
  • Low maintenance
  • Incorporates various safety features
  • Enclosed design
  • Elaborate control panel


  • Wheel quality could have been better

Best Diesel Generators for off Grid Buying Guide:

I think that the diesel generators above are indeed the best options when you’re looking for off-grid applications. These generators, in my opinion, help you in any emergency or disaster as well. I have chosen a diesel generator from this list as a backup power source. I will now highlight some factors which you should consider while selecting the best diesel generator for off-grid applications.

By comparing the diesel generators on a handful of factors, it is easy to pick the right one.

• Power rating:
It is the most crucial factor which you should consider. The higher the power rating, the better it is.

• Portability:
When you’re going off the grid, it is advisable to have a portable generator. You can take it to your cabin or keep it in your backyard. If it has wheels and is portable, that is a definite advantage.
• Construction quality:
Diesel generators especially the ones for off-grid applications are used in rugged environments. That is why; the construction quality should be good enough.

• Control panel:
You have to look at the features and the control panel on offer. If it is elaborate enough, you can go ahead and choose that generator.

These four factors will decide between buying the right diesel generator very easy for you. I will answer some of the FAQs below which will help you know more about the diesel generators.

Best Diesel Generators for off Grid (FAQs)

Q: What is the most efficient fuel for a generator?

A: Diesel is the most efficient fuel for a generator. It cannot only power a generator for a long time but also is easy to carry around.

Q: Which is better diesel or gas generator?

A: The diesel generator is better than a gas generator as it is more fuel efficient. It is economical in operation as well.

Q: How long can a diesel generator run continuously?

A: A diesel generator can typically run for 24 hours on a full tank. However, when you refill it consistently, it can run for up to 72 hours continuously.


So, if you’re looking for a generator for off-grid applications, these diesel generators are the best option. I have ensured that only the best diesel generator for off grid applications make it to this list. You can pick one from this list to get an efficient generator.

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About the author

Sharif Miah

I am Sharif, 22, a student, currently doing the BBA program. Besides, I am an online Blogger.

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