If you’re looking for a stable diesel generator that lasts you a while, you’ve come to the right place.

A diesel generator is one that runs on diesel as its primary fuel type. Diesel generators are usually very durable and fuel-effective. They also have very good running times and very good battery quality.

This makes them ideal for a variety of users. The reason why most people don’t move towards diesel generators is because they don’t know how to find the right ones, and they end up opting for gasoline generators instead.

Let’s get into what the ideal options are when it comes to the best diesel generators on the market. We’ve got all the information you need!

Generac 6864

The best diesel generator on our list is this amazing generator from Generac! It has an amazing steel frame that ensures that it is extremely durable and resistant to damage.

The best thing about diesel power is that it doesn’t need too much maintenance. Moreover, it is extremely efficient and conducive to a long engine life.

Finally, it has an amazing “true power” technology feature that allows for effective operation of any appliances of yours that may be sensitive.

Generac 6864, 5000 Running Watts/5500 Starting Watts, Diesel Powered...

Selling Points

  • Amazing run time
  • High tank capacity
  • User friendly
  • High wattage


  • Wattage – 5000 watts
  • Fuel Type – Diesel
  • Tank Volume – 12 gallons


  • Product Dimensions – 1 x 22.5 x 25.6 inches
  • Item Weight – 254 Pounds
  • Item Model Number – 6864

Pulsar PG7000D

This is another amazing diesel generator that provides 6000 watts of power, has an effective 4-stroke engine, has a twist-lock outlet, and several other amazing features.

What we liked best about this generator is that it has a closed frame design with a noise reduction capability.

All in all, the variety of features and other optimizations makes this diesel generator a formidable competitor on the market.

This is one generator definitely worth investing in.


  • Variety of features
  • Very high wattage
  • Twist-lock outlet
  • Electric start
  • Noise optimization
  • Automatic voltage regulator


  • Wattage – 6000 watts
  • Fuel Type – Diesel
  • Tank Volume – 4 gallons


  • Product Dimensions – 38 x 32.5 x 22 inches
  • Item Weight – 353 Pounds
  • Item Number – PG7000D

Generac Protector Series

Number three on this list is another Generac generator that packs a considerable punch. This is a 3-phase generator that is incredibly durable, sturdy, and fuel effective.

When it comes to diesel generators, you won’t find many better than this one. This generator is sure to keep your appliances powered for long periods without any problems.

This generator comes with Generac’s brand name and lives up to the hype. Our recommendation: go for it!

Selling Points

  • Very high wattage
  • Very sturdy build
  • Very durable
  • User friendly


  • Wattage – 50,000 watts
  • Fuel Type – Diesel


  • Color – Gray
  • Item Weight – 2114 Pounds
  • Item Model Number – RD05034GDSE

Durostar DS7000Q

The fourth generator on this list is a Durostar invention that brings a variety of features to the table.

It has a 4-stroke engine and offers remote and electric start capabilities that make it incredibly user friendly.

Moreover, it has an automatic voltage regulator that protects it from any potential damage. It has a fuel capacity of around 4 gallons. It has keyed ignition as well. Also, when the oil pressure is low, the generator offers an automatic shutdown feature.

All in all, this is a pretty handy generator that  won’t drill a hole in your pocket. We recommend that you definitely try it out!

DuroStar DS7000Q 6,500 Watt Enclosed Portable Diesel Generator,...

Selling Points

  • Sound proof optimization
  • Rather quiet
  • Key ignition
  • Automatic shutdown
  • Very sturdy
  • Automatic voltage regulation


  • Wattage – 6500 watts
  • Fuel Type – Diesel
  • Tank Volume – 3.96 gallons


  • Product Dimensions – 8 x 22 x 30.3 inches
  • Item Weight – 305 Pounds
  • Item Number – DS7000Q

Onan Quiet Diesel Generator

The last generator on our list is this amazing generator from Onan. It offers a high power output of around 8000 watts that is sure to power all your small and heavy appliances.

Moreover, it is safe enough that you can easily use it with smaller appliances without any risk of your mobile phone or other small appliances getting damaged.

It is a bit on the heavier side but it’s incredibly effective when it comes to fuel consumption and efficiency.

We definitely think the Onan Diesel Generator is worth a second look.

Onan Quiet Diesel Generator - 8000 Watt - (RV Qd 8000) - 8.0HDKAK-1046

Selling Points

  • Variable speed operation
  • Digital voltage regulation
  • Very sturdy
  • Sound-controlling housing
  • Air cleaner


  • Wattage – 8000 watts
  • Fuel Type – Diesel
  • Tank Volume – 26.4 gallons


  • Product Dimensions – 8 x 22 x 30.3 inches
  • Item Weight – 430 Pounds
  • Manufacturer – Onan R

Buying Guide

Best Budget Diesel Generator – DuroStar DS7000Q

If you’re looking for a generator that won’t drill a hole in your pocket and will still do the job, the DuroStar DS7000Q will serve your needs best.

Most High Quality Generator – Generac 6864

Amongst all the generators on this list, the generator that’s the most high quality is the Generac 6864. It packs a punch and comes with lots of amazing features that make it a must-buy commodity.

Best Features Quiet Generator – Pulsar PG7000D

The Pulsar PG7000D comes with an impressive array of features that make it a lucrative option if that’s what works for you.


There’s one main difference: gasoline generators operate on gasoline and diesel generators operate on diesel.

There are other structural differences as well. Diesel generators are generally heavier than gasoline generators.

Also, several diesel generators are more fuel effective than gasoline generators.

You should get a diesel generator if you have no problem with a generator that can get rather noisy and hard to manage.

Moreover, diesel generators are rather heavy so be prepared for that reality.

Wrapping it Up

Diesel generators are a very attractive option for people who don’t want to opt for traditional gasoline generators.

We’ve listed some of the top options in the market for you and we hope this list helps you make a better, informed choice. Happy buying!