Best Portable Diesel Generator

  Top 5 Best Portable Diesel Generator: An Ultimate Guide To Making A Smart Purchase


On the go?

Portable diesel generators make the idea of living off the grid a more realistic option for many people who had previously been unable to do so.

Whether you're camping, tailgating, or headed out to sea, portable diesel generators can help keep your devices charged up and ready for use.

Portable diesel generators are gaining popularity in the market, thanks to their compact size and lightweight. They are an essential part of the commercial and industrial landscape.

To choose the best portable diesel generator for your needs, however, you will first have to consider several factors of your unique situation. This article reviews five amazing generators.

  • WGen9500DF Westinghouse Portable Generator, Gas or Propane Powered

Best portable generator Westinghouse

Westinghouse generator is an excellent generator for those looking to power their home or small business during an outage.

It has been designed to be portable yet powerful, making it easy to take with you on camping trips, tailgating events and supply for emergency purposes.

Product Specifications

  • Power output:9500W
  • Runtime:12 hours
  • Weight:220 pounds
  • Tank capacity:6.6 gallons
  • Engine Type; 4 stroke

Key Features

This unit can run on both propane and natural gas with a dual fuel capability, giving you the flexibility you need when selecting fuel sources.

This Westinghouse generator also comes with an electric start system for easy operation. The device has a carrying handle and wheels for mobility and portability, ensuring you'll be able to bring the power supply wherever it's needed.

This model features an LCD as well as inverter technology to ensure smooth running.

The first thing you notice about this model is its size, making it ideal for camping and tailgating.

The unit itself isn't too large at just under 100 pounds, but it can be moved from place to place with ease with the handle attached.

It will provide roughly 10 hours of power on a full tank of gas, so if you have a more permanent location where you want to set up camp, you have plenty of time.

It has an air-cooled OHV engine and powers up to 9500 watts for longer, uninterrupted use. You can run your appliances even if you experience frequent power outages due to storms during hurricane season.

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  • DuroMax XP12000EH Generator, Gas or Propane Powered

This generator great generator for larger jobs that require more power. It is suitable for large construction job sites, RV campgrounds, roadside assistance vehicles, mobile offices and more.

Product Specifications

  • Power output:12,000W
  • Runtime:8hours @1/2 load
  • Weight:224 pounds
  • Tank capacity:8.3 gallons
  • Engine Type; 4 stroke

Key Features

The XP12000EH generator can run on either gasoline or propane, making it easy to find fuel wherever you are.

What makes this generator special? Besides its incredible power output, this unit features an inverter that automatically switches the frequency back to 60Hz in a blackout.

The inverter can handle 120 volts and 240 volts for those more extensive tools you need to power up.

A built-in charger for RV batteries is very convenient when camping or tailgating, while the automatic voltage control keeps you safe if there's a fluctuation in power.

It has a fuel capacity of 8 gallons for both the engine and your tank, depending on what type of fuel you choose to run it off.

It is perfect for powering your RV, home, or business during an emergency when the lights go out.

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  • WEN 56203i Super Quiet Portable Inverter Generator

This generator provides all of the power that one would need when in the outdoors. It also offers plenty of convenient features which make getting ready for any outdoor event more accessible than ever before.

It is an excellent choice for the homeowner/handyman, who needs a small portable generator to power up their tools during construction or in an emergency.

Product Specifications

  • Power output:2000W
  • Runtime:10.8 hours @1/4 load
  • Weight: 39 pounds
  • Tank capacity:1 gallon
  • Engine Type: 4 stroke

Key Features

The WEN 56203i generator provides consumers with two options for powering their homes during emergencies.

This quiet 2000 Watt portable inverter generator can run on gas or propane, allowing it to work seamlessly regardless of the situation.  It also features a handy fuel shutoff valve when the oil level gets too low.

The engine is an easy to maintain four strokes OHV air-cooled model that delivers consistent performance even on long run times.

With the ability to be attached to an extension cord or work off a battery, this unit can be utilized anywhere.

It comes equipped with an electric start.

This portable diesel generator produces clean, quiet power to run sensitive electronics and appliances at home or camp.

Its compact size allows it to be transported easily, making this unit ideal for tailgating, camping, and other outdoor activities that require dependable power.

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  • Generac GP3500iO Open Frame RV Ready Inverter Generator

This generator is ideal for places with no electricity or when it suddenly goes off during an emergency.

The engine is made from cast iron and steel so that it can withstand extreme weather conditions. The Generac GP3500iO is easy to start, even when it is freezing outside.

Product Specifications

  • Power output:3500W
  • Runtime:8hours @1/2 load
  • Weight:74.3 pounds
  • Tank capacity:2.37 gallons
  • Engine Type; OHV

Key Features

This generator is easy to use and reliable, making it an excellent choice if you are looking for something that will stay with you through thick and thin.

Generac Generators are the ultimate source of reliable power when you experience an outage. Whether it’s caused by weather, utility problems or damage to your home, Generac generators give you peace of mind in any situation.

The Generac GP3500iO is a 115 volt and 3500 starting watts generator. It comes with a four-stroke engine of 468 ccs, which has been specially designed for this kind of generator. The machine has been built to produce maximum power output at 5500 rpm.

This inverter generator also features a push-button electric start with an Eco throttle control to increase fuel efficiency and a steel roll cage for added durability.

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  • WEN  6000-Watt RV-Ready Portable Generator 

The WEN GN6000 is engineered specifically for RVs and other applications with no permanent electrical connections available.

Product Specifications

  • Power output:6000W
  • Runtime:7.5hrs@1/2 load
  • Weight:129.7pounds
  • Tank capacity:3.4 gallons
  • Engine Type;4 stroke

Key Features

This product features an electric start recoil mechanism, which makes it easy to get started whenever. It can handle any job that doesn't require a lot of power.

The engine on this unit is a 379cc OHV engine that puts out 10% more power than competing units in its class.

It's also quieter than other generators in the same category, so you won't disturb your neighbors while you're enjoying your time away from home.

It features several different safety features that will help keep it working at peak performance. It is also easy to transport, which is an excellent feature if you plan on traveling often.

The Wen GN6000 is a lightweight and portable generator that can run up to 7200 watts for 12 hours without any problem.

It is a reliable power source during power outages or camping trips with family, friends or co-workers.

It includes an electric start system, so you do not have to pull on the cord of the engine to get it started.

It also comes with a wheel kit so you can easily transport it from one place to another if needed.

The digital display keeps you informed about the power consumption and allows you to monitor the battery life.

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Factors To Consider When Choosing The Right Portable Diesel Generator

When deciding which portable diesel generator is right for you, it comes down to your needs and lifestyle.

You must understand what kind of power source will be most beneficial in the long run so that if your power goes out, so does yours.

The best portable diesel generator for your needs will provide the necessary wattage to run essential equipment without being too cumbersome or difficult to move around.

However, there are several factors that you should consider when choosing the right portable diesel generator, so you don't end up with something unsuitable for your situation:

Capacity /Wattage Requirements

You want to think about how much power you will need out of your generator. This should be measured in watts, representing how much electrical energy can be produced from a unit of time.

If you need a small turbine, you should go for one with a capacity of about 3000 watts or less.

This will give you enough power for your basic needs during blackouts. It can handle most household appliances without any problem whatsoever.

However, if you want more power, it might be better to get one with higher capacities like 5000 watts or even 10,000 watts because these can handle larger appliances.

You want to ensure that the portable diesel generator is powerful enough to run your appliances without tripping them off.


It is essential to factor in what is most important to you when buying a generator. If price is most important, many generators on the market will fit your budget.

You don’t want to sacrifice quality or safety just because of price. On the other hand, avoid cheap generators from unknown brands as they could be unsafe and unreliable.

The Size Of The Generator

Portable diesel generators come in different sizes and vary in the amount of power produced. They range from 5 kW to over 10 MW for large-scale applications such as utility grid support and emergency power systems.

In addition, they can be powered by various types of energy sources, including gas/petrol, diesel oil, LPG/propane, or solar panels.

Fuel Consumption 

Portable diesel generators are generally fueled by gasoline, diesel fuel, natural gas, propane/LPG or renewable gases.

The priority should be 'fuel efficiency' because the cost of operating these machines can get high if they are not efficient enough.

Make sure you choose one with minimum fuel consumption (0.5 gallons per hour) and how long it takes to charge up if this is an essential factor for you.

Noise level 

When used, a quiet portable diesel generator with low noise will not disturb your peace, but it will still be powerful enough to do what you want.

This is especially important when using a portable generator in an urban setting where noise could become a problem at night when everyone is trying to sleep, such as in a park or campground setting with neighbours nearby.


It would help if you considered how long you want your system to last. If you want your design to last for many years, make sure you buy a high-quality 2000 watt or 3000-watt inverter generator that can handle heavy use.

Inverter Or Non-Inverter Generators

You also have to decide between inverter and non-inverter models, which come in gasoline and electric models.

Both generators can run on gasoline or propane, but non-inverter generators cannot run on natural gas.

Location of Usage

Finally, you have to decide if you want a portable diesel generator that is designed for backup power in case of an emergency or one that provides electricity at remote job sites or during camping trips.


So, what’s the verdict then? You may be wondering which portable diesel generator is best for your needs.

There is no cut-and-dry answer to this question because there are a lot of factors that go into it.

As long as you choose your portable diesel generator wisely, you should have nothing to worry about regarding the quality of service provided.

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