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Top 10 Best Diesel Generators: Top-Rated diesel generator for home use for 2021

Diesel generators are an extremely important device for homes or businesses. You will not need to worry about operating electrical appliances in case of an outage thanks to generators. However, this is a very difficult product to buy for the uninitiated. Today, Homechit will show you the 10 best diesel generators on the market


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Last update on 2021-09-16 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

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The 10 Best Diesel Generators on the market 2021

1. WEN DF1100T - Best inverter generator diesel for buying

Important specifications

  • Wattage: 11000 watts

  • Item Dimensions (LxWxH): 27.3 x 20.6 x 21.9 inches

  • Item Weight: 214 pounds

  • Color: Black

  • Voltage: 120V/240V

Product’s highlight

This machine has a very strong design with a wheel system that makes it easy to move. The product has a detonation mechanism and a modern anti-noise system. The steel tube frame is extremely sturdy and easy to move. The noise cancellation system is effective, bringing a pleasant feeling to the user. WEN DF1100T is a reliable and outstanding product of WEN.

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Pros

  • Easy to operate

  • Strong and durable machine

  • Has a trigger mechanism for convenient use

  • Persistence over time

  • Warranty up to 2 years

Cons

  • The weight of up to 214 pounds makes it a little difficult for you to carry

Bottom line

The large tank with a capacity of up to 6.6 liters is extremely comfortable to run for 8.5 hours. The capacity of 11,000 watts allows the operation of electrical equipment in large families. You can also use it for power outages at work, restaurants or big events. It deserves a wise investment for your family.

2. Champion Power Equipment B01FAWMMEY 100263 - Best silent diesel generators for home use

Important specifications

  • Wattage: 3,400 watts

  • Item Dimensions (LxWxH): 25.1 x 17.3 x 18.3 inches

  • Item Weight: 95.7 Pounds

  • Color: Yellow/Black

  • Frequency: 60 Hz

Product’s highlight

Champion Power Equipment has always been at the forefront of manufacturing components, spare parts and generators. Champion diesel generators are the highest rated on the market today. Champion offers you quality assurance. Besides, it is also durable, long-lasting with few technical problems.

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Pros

  • Moderate fuel consumption

  • Huge wattage

  • High level of safety

  • Good performance, durable

  • Easy to install and store

  • Good noise resistance only 60hz

Cons

  • The rate is high. You need to consider the demand and budget to buy a suitable one.

Bottom line

This is a home generator that delivers up to 3,500 watts of power. It is enough to power electrical equipment for the whole family. The warranty period is up to 3 years. If you encounter any technical difficulties, the technical team is available 24/7. This silent generator is worth buying.

3. Generac 6864 - Best portable diesel generator for your home

Important specifications

  • Wattage: 5000 watts

  • Item Dimensions (LxWxH): 33.1 x 22.5 x 25.6 inches

  • Item Weight: 254 pounds

  • Color: Orange/Black

  • Tank Volume: 12 Gallons

Product’s highlight

This product is one of the lowest fuel consumption machines on the market. The machine inherits an advanced technology background. The components and equipment are all quality and durable. Fuel tanks capacity up to 12 gallons. The power of the Generac 6864 machine is 5000 watts. With such a moderate capacity, this product mainly serves households as well as small businesses.

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Pros

  • Less fuel consumption

  • High level of safety

  • Good performance, durable

  • Powerful capacity

  • Suitable for many uses

  • Trusted brand

Cons

  • The machine is very heavy up to 254 pounds

  • The quietness is also not ideal

Bottom line

The machine uses diesel fuel to operate. That is why it is more cost-effective than gasoline generators. Although the price is a bit expensive, the Generac 6864 is a profitable investment in the future. The machine runs very well. So you can be assured of the durability of this machine.

4. Generac GP3500iO Open Frame RV - Best home diesel generator for using

Important specifications

  • Wattage: 

  • Item Dimensions (LxWxH): 19.7 x 16.5 x 16.4 inches

  • Item Weight: 74.3 Pounds

  • Color: Orange

  • Voltage: 120 Volts

Product’s highlight

Another super product from the Generac family. This time, Generac brings users the GP3500iO Open Frame RV generator version with PowerRush Technology. Customers who know the Generac brand must be familiar with its strength and durability. This version also certainly does not let you down with dozens of advantages.

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Pros

  • Clean power easily adapts to household electrical appliances

  • USB outlets are ready, you can easily connect when outdoor

  • Parallel ready

  • Healthy operation

  • Lighter and less noisy than the old version

Cons

  • The product does not support wheels, making it more difficult to move

Bottom line

This is really a formidable product in the high-end generator segment. It excellently received 2,338 positive ratings with 4.6 out of 5 stars. With a price of nearly $800, it is so reasonable for such a good generator. It promises to continue to beat the competitors in the segment. This thanks to the trust of the brand as well as the performance it brings.

5. Pulsar G12KBN - Best diesel home standby generator for choosing

Important specifications

  • Wattage: 12,000 watts

  • Item Dimensions (LxWxH): 28.5 x 26 x 25.5 inches

  • Item Weight: 209 Pounds

  • Color: Space Gray

  • Voltage: 120/240 Volts

  • Tank Volume: 8 Gallons

Product’s highlight

Pulsar G12KBN is a product line made from high-quality materials for high durability. The product includes wheels on the bottom to make moving the machine easy. 

On the other hand, you can disassemble the wheels to fix the machine in one position if needed. The Pulsar G12KBN gives you a huge wattage of up to 12,000 watts. In contrast, it saves fuel and the output current is stable.

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Pros

  • Large fuel tank up to 8 gallons

  • Handles and wheels are convenient for moving and storing

  • The oil indicator is ready

  • 120/240 outlets are ready

  • 4 stroke engine

  • Smooth operation

  • Good price than expected

Cons

  • The noise level is probably not a strong point

Bottom line

The machine G12KBN has a modern control panel. It can display parameters such as time, frequency, and voltage on the screen. This makes it easy for the user to control and operate the machine. 

Users have rated it as a decent generator. It makes them happy. Its versatility makes it suitable for many different uses.

6. Powermate PM1200i 50ST P0080400 - Best diesel portable generator for home use

Important specifications

  • Wattage: 1,200 Watt

  • Item Dimensions (LxWxH): 18.3 x 10.3 x 15.7 inches

  • Item Weight: 37.3 pounds

  • Color: Red/Black

Product’s highlight

The Powermate PM1200i 50ST P0080400 has a compact design. It is easy to move and store the machine when not in use. The shell structure has good noise resistance and sound insulation. The machine is stable and durable with a capacity of 1200 watts. It is very suitable for use in cases of a power failure without affecting the user.

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Pros

  • Lightweight, not bulky

  • Ergonomic handle design makes you can enjoy camping

  • Clean energy source

  • Prestigious brand

  • Very good price less than 500$

  • Small fuel tank

Cons

  • The product is only suitable for devices with small power consumption

Bottom line

Powermate is a line of good generators that help save fuel. It is stable and requires little maintenance. The ergonomic design allows you to place it anywhere without worrying about taking up a lot of space. 

If you are in need of a generator with moderate capacity and good cost, this is an ideal suggestion.

7. DuroMax XP5250EH - Best diesel generator brands for investing 

Important specifications

  • Wattage: 5,250 watts

  • Item Dimensions (LxWxH): 25 x 22 x 22 inches

  • Item Weight: 129 Pounds

  • Color: Green and Black

  • Voltage: 120 Volts (AC)

  • Frequency: 60 Hz

Product’s highlight

DuroMax products are always supported by a strong and high safety. The DuroMax XP5250EH diesel generator has very good durability and large capacity. You can rest assured when choosing to use DuroMax generators. Below are some advantages of this generator line. Many customers rate that this product deserves to be in the top best diesel generator brands for investing.

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Pros

  • High engine efficiency

  • Low running cost

  • High automatic ability

  • Very good ability to withstand heavy loads or overloads

  • The noise level is low, not affecting the elderly and children

Cons

  • 129 pounds still seems heavy to move

Bottom line

If you are looking for a diesel generator with a high wattage and a reasonable price, DuroMax will be a good option to refer to. Powerful generating capacity is special for industrial and backup generators. Power is up to 5250 watts. This ensures the good operation of household electrical appliances.

8. Westinghouse Outdoor Power Equipment WGen9500 - Best diesel generator for home use

Important specifications

  • Wattage: 9500

  • Item Dimensions (LxWxH): 27.2 x 26.1 x 26.5 inches

  • Item Weight: 220 Pounds

  • Color: Blue and black

  • Voltage: 120/240 

  • Runtime: 12 hours

Product’s highlight

Another brand you can refer to is Westinghouse Outdoor Power Equipment WGen9500. This brand mainly develops product lines with modern and outstanding designs. It is not suitable for customers who like old designs, slow performance. 

The Westinghouse's WGen9500 generator would be a perfectly reasonable choice. It deserves to be one of the best diesel generators for home use.

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Pros

  • Equipped with fuel gauge

  • Large fuel tank

  • 4 stroke engine

  • Long generator life

  • Power up to 12,000 watts at peak

  • The noise level when operating the device is significantly reduced

Cons

  • Heavy and large, but acceptable

Bottom line

It is true to say that Westinghouse generators inherit all outstanding advantages. Not only does it have outstanding fuel economy, but it also operates very stably. Besides, you rarely have to service the device because of any problems. On the other hand, at less than $1000, it's a great investment.

9. Champion 200961 - Best small diesel generator for budget

Important specifications

  • Wattage: 2500 watts

  • Item Dimensions (LxWxH): 17.3 x 12 x 17.7 inches

  • Item Weight: 39 Pounds

  • Color: Ultralight

  • Voltage: 120 Volts (AC)

Product’s highlight

This is one of the most popular generator manufacturers today. Champion's machines always meet the needs of running and generating electricity for users. Besides, Champion also focuses on convenience. Therefore, in any space, any object can easily find a satisfactory product from the company.

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Pros

  • Comfortable handle

  • Compact design

  • Easy to operate, install and move

  • Smooth operation

  • Clean energy

  • 3-year warranty

Cons

  • Only suitable for small families

Bottom line

Champion 200961 engine is a product that is quite popular in the market. The generator brings a lot of advantages. It has the ability to run durable, quieter than products in the price range. With an efficiency of 2500 watts and a voltage of 120 Volts (AC), it is the ideal choice for the home.

10. DuroStar DS13000EH - Best diesel generator for purchasing

Important specifications

  • Wattage: 13,000 Watts

  • Item Dimensions (LxWxH): 29 x 30 x 26 inches

  • Item Weight: 236 Pounds

  • Color: Red/Black

  • Frequency: 60 Hz

Product’s highlight

This DuroStar brand has many years of experience in the production of diesel generators. Applying advanced and modern lines, its products ensure quality to every detail. The components are all standard and value for money. DuroStar DS13000EH is one of the best diesel generator buyers for purchasing

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Pros

  • Save fuel and consume less fuel

  • Environmentally friendly and non-polluting

  • Smart design makes it easier for users to observe

  • The working capacity of the machine is stable

Cons

  • The machine is very heavy to lift

Bottom line

DuroStar DS13000EH is often a lifesaver for factories or buildings in case of an outage. It has a large capacity so it is very suitable for these objects. The generator allows simple and easy operation. Besides, the powerful capacity always meets the needs of users.


FAQs

1. Why is the generator engine not starting or hard to run?

We are not sure below is all the problem. However, you can refer to some reasons:

  • The working valves are not in the on mode

  • Exhausted or almost empty fuel system

  • Fuel supplied to the combustion chamber is not up to standard

  • Clogged or folded fuel hose

  • The engine has damaged spark plugs or dirt clings to the spark plugs for a long time due to not being cleaned

2. What should I do when the generator is not working?

Based on the above reasons, you can refer to the following tips:

  • You need to turn on the valves to the working state

  • Check if the fuel is empty, if it runs out, let's add more fuel

  • It is necessary to use qualified fuels to prolong the life of the machine

  • Please check the spark plugs and clean the spark plugs before starting the engine

3. My generator still works but no electricity. Why?

Power outages can occur for many reasons. For example:

  • Broken wiring

  • Bad contact,

  • Capacitor explosion

  • Broken AVR

  • Other reasons

4. What to do when the machine makes “strange” noises when operating?

Loose machine parts or worn-out bearings can lead to this problem. You need to fasten the machine parts or replace the bearings.

5. What is the difference between surge watts v.s running watts?

You can understand in a simple way as follows:

For example, the manual shows 5,000 surge watts and 3,000 running watts, then:

  • The generator can operate continuously with a wattage of 3,000 watts

  • It also has power handling in excess of 5,000 watts, but the run time will be shorter.


Conclusion

To help you find the best diesel generators, Homechit has recommended reputable brands for you. All these brands have achieved certain achievements in the market. You can completely trust and consider choosing the best product!


James Andrews
James Andrews
James Andrews is a content manager for many major websites nowadays. He is known as a professional editor in various fields. James Andrews has in-depth knowledge in many different products. His articles are loved by many readers because of the quality and objectivity in each article. You will surely get great knowledge after reading his articles.