Are you trying to find diesel generators among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling diesel generators on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 28 hours of research and did 30 diesel generators tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best diesel generators you can buy today
- 149cc engine generates up to 3600 surge watts and 2900 rated watts
- Produces clean power to prevent damage to sensitive electronics such as smart phones, tablets and laptops
- Ultralight body weighs in at a mere 46 pounds for easy transport and torage
- Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
- Includes two three-prong 120V receptacles, one TT-30R RV receptacle, one 12V DC receptacle, two 5V USB ports, and a three-year warranty
- Perfect as a backup power source for larger homes or a dependable source of portable power
- 14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts (propane); 12,000 peak watts, 9,500 running watts (natural gas)
- Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank
- Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
- Switch between gasoline (11,000 surge watts, 8,300 running watt) and propane (9,500 surge, 7,500 running) with the simple turn of the selection dial
- Voltage easily goes from 120V to 240V, perfect for transfer switches and emergency backup
- Electric start powers the 457cc 4-stroke OHV engine with the turn of a key
- 6.6-gallon tank provides up to 8.5 hours of half load run time
- Includes four 120V GFCI outlets (5-20R), a 120V 30A twist lock outlet (L5-30R), a 120V/240V 50A outlet (NEMA 14-50R), a 12V DC cigarette-lighter-style plug, a bottle of oil, a 47-inch LPG connection hose, and a two-year warranty
- Remote Monitoring Anywhere: With the Mobile Link Wi-Fi connectivity, effortlessly keep tabs on generator performance from anywhere. Stay updated on current operating status and receive maintenance alerts, ensuring peace of mind even when you're away
- Whole House Protection: Enjoy comprehensive coverage with Generac's 100-amp 16-circuit transfer switch, designed for outdoor use with an aluminum enclosure. This ensures that your household remains powered and protected during power outages
- Long-Term Assurance: Count on lasting performance and reliability with our 5-Year Limited Warranty. This assurance provides you with the confidence that your investment in an automatic standby generator is one that will serve you well for years to come
- High-Quality, Consistent 10kW Power: With our advanced True Power Technology, experience power that beats expectations. Less than 5 percent total harmonic distortion guarantees clean and stable 10,000 watt power delivery, enabling safe operation
- Crafted for Excellence: Proudly engineered and assembled in the USA, our generators stand as testament to quality and craftsmanship. The purpose-built G-Force Engine is designed to handle the demands of usage, ensuring reliability and reduced maintenance
- Easy Installation: Generac recommends your new Home Standby Generator to be installed by a certified and licensed electrician
- 【Strong Power】Its power is 2200w, and the speed can reach up to 3800r/min, 3HP providing you with strong power to ensure that your work can be completed quickly and easily.
- 【Energy Saving】Optimize the fuel system and intake and exhaust systems to save energy and fuel.
- 【Easy to Use】Compact structure, small size, light weight, easy to carry and convenient to use.
- 【Fast Heat Dissipation】The alloy box body is strengthened and thickened, heat dissipation is fast, the oil temperature is low, and the weight is light.
- 【Friendly Service】We has local warehouse to ship the goods via 3-7 days to you. If you have any questions, just contact us in any time and we will reply you within 24 hours.
- With 10,000 watts of power, the XP10000EH Dual Fuel generator will keep your whole home running during a storm or power outage
- DuroMax is the industry leader in Dual Fuel portable generator technology, with a full assortment ranging from digital inverters to generators that can power your entire home
- At the core of all our products resides a robust DuroMax engine. Designed for Power. Designed to Last
- The XP10000EH comes equipped with a wide variety of outlets, including a transfer switch-ready 50 amp outlet. This generator features our MX2 Power Boost, which doubles the 120V power for appliances and RVs
- Constructed with a heavy-duty all metal frame and power panel - No plastic parts
- Built to withstand severe weather and years of heavy wear-and-tear
- Power wherever and whenever you need it - No-flat tires roll easily over any terrain
- 100% Copper Windings - Unlike aluminum, copper is a superior heat conductor that extends the life of your generator
- Your DuroMax generator is the one appliance that will power them all
- DuroMax portable generators are designed to be mobile and versatile, with the ability to provide power whenever and wherever you need it. Unlike traditional standby generators that are large, expensive, yet only serve one purpose, DuroMax generators will power you whether you’re at home, on an RV trip, or at the jobsite
- With 13,000 watts of power, the XP13000HX Dual Fuel generator will keep your whole home running during a storm or power outage, while protecting your family from harmful fumes with CO Alert
- Enjoy the freedom and flexibility of running your generator on either gasoline or propane. Propane is cost effective, clean-burning, fuel efficient, low maintenance, has a long shelf life, and is a readily-available fuel source.
- Built using a powerful 500cc OHV DuroMax engine and features ALL COPPER WINDINGS designed to make your generator last for years.
- The XP13000HX comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets (including a transfer switch-ready 50 amp outlet)
- The fully loaded power panel includes four 120V GFCI household outlets, one 120V 30AMP outlet, one 120/240V 30AMP twist-lock outlet, and a heavy-duty 120/240V 50AMP outlet making it transfer switch ready!
- 【Professional Powerful Diesel Engine】Single cylinder air cooled machine through advanced software analysis and optimization design, the forced air-cooling system and the dense cooling holes, the reliability of diesel engine in structure, cooling and heat dissipation is ensured.
- 【Useful】TBVECHI diesel engine machine is widely used in small agricultural machinery, such as micro-tiller, pastoral management machine, irrigation and drainage machine, generator set, small transport vehicle, small walking tractor and other fields.
- 【Diesel Engine Size】Bore Stroke: 86x72mm/3.39 x 2.83inch; Shaft Diameter: 25mm/0.98inch; Shaft Length: 72.2mm/2.84inch; Shaft I.D. Thread Size: 7/16-20UFN-2B, 20mm Depth; Product Size: 43 x 41 x 49cm/ 16.93 x 16.14 x 19.29inch.
- 【Features】Optimized single-valve direct fuel injection system, 1.45-gallon large-capacity fuel tank, energy-saving and fuel-efficient; high-quality air filter to improve performance; compact structure, small size and light weight.
- 【Specifications】Shaft Type: Recoil Manual Start; Crankshaft: Horizontal; Bolt Pattern: 4 Bolt; Power: 6.3kw, 10hp; Rotation Speed: 3600rpm; Displacement: 418cc; Fuel Consumption Rate: ≤280g/Kw. h.
- Plenty of Power – With 4,000 peak watts and 3,300 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools
- Powerful Engine – The DuroStar 208cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
- Low Oil Shutoff – Protects your investment by automatically shutting the generator off when it senses that the oil is low
- Power Panel – The power panel includes a selection of outlets for maximum compatibility in your applications including: 2 120V household outlets and 1 120V 30A twist lock outlet. The panel also includes a voltmeter for measuring voltage output
- Complies with Emissions Standards – All DuroStar generators are both approved by the EPA (Environmental Protection Agency) and CARB (California Air Resources Board) and follow strict guidelines to ensure our generators are as environmentally friendly as possible
How to choose a good diesel generators
Does the idea of finding a fantastic diesel generators make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in diesel generators. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top diesel generators products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top diesel generators on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top diesel generators brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top diesel generators based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the diesel generators were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good diesel generators, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your diesel generators.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting diesel generators for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our diesel generators. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what diesel generators should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on diesel generators.
