The Best diesel power generator of 2021 – Top 10 and Rankings

If you’re looking for diesel power generator but don’t know which one is the best, we recommend the first out of 10 diesel power generator in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
Westinghouse WGen7500 Portable Generator with Remote Electric Start 7500 Rated Watts & 9500 Peak Watts, Gas Powered, CARB Compliant, Transfer Switch Ready
  • 7500 Running Watts and 9500 Peak Watts; Remote Start With Included Key Fob, Electric and Recoil Start; Up to 11 Hours of Run Time on a 6.6 Gallon Fuel Tank With Fuel Gauge
  • Features Two GFCI (Ground Fault Circuit Interrupter) 5-20R 120V Household Duplex Receptacle and One L14-30R 120/240V Twist-Lock Receptacle; All Outlets Have Rubber Covers for Added Safety
  • Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User's Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
  • Powered by a 420cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter. Noise Level-72 dBA
  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA and CARB Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network
Rank No. #2
Generac 6864, 5000 Running Watts/5500 Starting Watts, Diesel Powered Portable Generator
  • Durable, fully welded 1 1/4" steel frame
  • Yanmar LW Series 435cc air-cooled direct injection, industrial-grade diesel engine
  • Diesel power requires less maintenance, is more efficient, and provides a long life
  • True Power Technology provides less than 5% total harmonic distortion for clean, smooth operation of sensitive electronics, tools and appliances
  • True Power Technology provides less than 5% total harmonic distortion for clean, smooth operation of sensitive electronics, tools and appliances
Rank No. #3
Pulsar G12KBN Heavy Duty Portable Dual Fuel Generator - 9500 Rated Watts & 12000 Peak Watts - Gas & LPG - Electric Start - Transfer Switch & RV Ready - CARB Compliant
  • 12, 000 peak watts/ 9, 500 Rated watts (gasoline) & 10, 800 peak watts/ 8, 550 Rated watts (LPG)
  • Dual fuel capability allows you to choose between gasoline & LPG fuel sources; great for emergency situations or natural disaster as LPG may be more readily available and easy to store
  • The 457cc, single cylinder, 4-stroke, air cooled, OHV engine with electric start is protected by a durable powder coated frame
  • A 8 gallon fuel tank gives you up to 12 hours of continuous operation at half load when running on gasoline
  • (4) 120V 20A AC outlets, (1) 120V/240V 30A twist-lock outlet, (1) 120V/240V 50A outlet, (1) 12V DC output provide ample space for powering appliances, tools, and other devices
Rank No. #4
DuroMax XP4850EH Generator-4850 Watt Gas or Propane Powered-Electric Start-Camping & RV Ready, 50 State Approved Dual Fuel Portable Generator, Green
  • Plenty of Power – With 4,850 starting watts and 3,850 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools
  • Dual Fuel Technology – This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice
  • Powerful Engine – The DuroMax 210cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
  • MX2 Technology - Get the maximum power from each of the 120-volt receptacles. Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power. Ideal for usage with RVs
  • Fully Featured Power Panel – The power panel includes a wide selection of outlets for maximum compatibility in your applications including: (2O) 120V household GFCI outlets and (1) 120/240V 30A twist lock outlet. The panel also includes a voltmeter and 12V DC charging posts for charging external batteries
Rank No. #5
Generac 7043 Home Standby Generator 22kW/19.5kW Air Cooled with Whole House 200 Amp Transfer Switch, Aluminum
  • True power technology delivers best-in class power quality (less than 5% thd) for Smooth operation of sensitive electronics and appliances
  • Includes a 200 amp NEMA 3 (indoor/ outdoor rated) whole house Smart transfer switch
  • Generac evolution controller features LED indicators for generator status, utility power presence or maintenance required
  • Tough, durable all-weather aluminum enclosure offers 3 removable sides for easy access for installation, service and maintenance
  • Battery not included. Generac Battery 7043 5819 Sold Separately.
Rank No. #6
Filters Kit Fleetguard (AF27906, LF3591, FF236) For Cummins Onan Quiet Diesel 6000 7500 8000 Auxiliary Power Unit Generator. Replaces Cummins Onan (1402897, 1220833, 1492513)
  • Filters Kit Fleetguard (AF27906, LF3591, FF236) For Cummins Onan Quiet Diesel 6000 7500 8000 Auxiliary Power Unit Generator. Replaces Cummins Onan (1402897, 1220833, 1492513)
  • AF27906 (1) Fleetguard Air Filter, Replaces Cummins Onan 140-2897
  • LF3591 (1) Fleetguard Lube Spin-On, Replaces Cummins Onan 122-0833
  • FF236 (1) Fleetguard Fuel Filter, Replaces Cummins Onan 149-2513
Rank No. #7
Yeti 1500X Portable Power Station, 1516Wh Portable Lithium Battery Emergency Power Station, 2000W Portable AC Inverter Generator, Outdoor Portable Generator, Portable Solar Generator for Solar Panels
  • Innovators in portable power | Goal Zero created the portable power station category 10 years ago, presenting a new way forward in portable energy use at home, on the job, and off grid. Our products are engineered with precision here in the U.S. Every feature has a purpose, designed with a real-life use case in mind. Power everything from campsites to field work to outdoor events and essential circuits at home when the power goes out.
  • Empower human potential | We are driven by a vision for success defined by our impact on people and the planet. To date, we’ve reached 31,000+ people around the world with our community empowerment and disaster relief projects. Our team is based along the Wasatch front in Salt Lake City, Utah.
  • Professional grade power | Built to last and survive. Field-tested in a wide range of environments, from the Arctic to job sites to the home. Seven different output ports let you power a range of devices including phones, laptops, refrigerators, medical devices, coffee makers, blenders, and power tools. 2 USB-A, 18W USB-C, 60W USB-C PD, 6mm, 12V, 12V Power Port, 2 120V AC Inverter. 1500 watt hours of lithium power charges your phone 127 times and lets you run a full-size fridge up to 28 hours.
  • Industry-leading technology | Dependable power you can rely on in any situation. Our industry-leading 2000W AC inverter is the most powerful inverter on the market. Plug in and power anything you can from a wall outlet. Control and optimize your Yeti 1500X power usage from anywhere with the Yeti App 3.0. Integrated MPPT charge controller increases charge efficiency by 30% when recharging with a Goal Zero solar panel.
  • Safe and user-friendly | We prioritize product safety, backed up with multiple layers of protections. Over and under voltage protections, temperature protections, battery management system to monitor individual cell and battery pack health. Yeti 1500X comes backed with a 2-year warranty. All elements of the product from physical construction to user interface are designed for ease of use.
Rank No. #8
POWER PRODUCTS Capacitor CBB61 30uF 450V 50/60Hz Gas Diesel Half Moon for Generac Generator
  • Capacitor CBB61 30uF +/-5% 450V AC 50Hz 60Hz Gas Diesel Generator 40/85/21 SH
  • Replaces Dianz Ruva Dongrong Hongxing Capacitor CBB61 30uF 450V 50/60Hz CBB61
  • 30uf +/-5%
  • 450VAC 50/60HZ 40/85/21 SH
  • Package includes: 1X 30uf Capacitor
Rank No. #9
Durostar DS10000EH Dual Fuel Portable Generator-10000 Watt Electric Start-Home Back Up & RV Ready, 50 State Approved, Red/Black
  • Plenty of Power – With 10,000 starting watts and 8,000 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools
  • Dual Fuel Technology – This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice
  • Powerful Engine – The DuroStar 439cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
  • MX2 Technology - Get the maximum power from each of the 120-volt receptacles. Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power. Ideal for usage with RVs
  • Fully Featured Power Panel – The power panel includes a wide selection of outlets for maximum compatibility in your applications including: (2) 120V household GFCI outlets, (1) 120V 30A twist lock outlet, (1) 240V 30A outlet, and one 240V 50A outlet. The panel also includes a voltmeter and 12V DC charging posts for charging external batteries
SaleRank No. #10
Jackery Portable Power Station Explorer 240, 240Wh Backup Lithium Battery, 110V/200W Pure Sine Wave AC Outlet, Solar Generator (Solar Panel Not Included) for Outdoors Camping Travel Hunting Emergency
  • Included in the "Best Portable Power Station for use in the outdoors" by Digital Trends.
  • MULTIFUNCTIONAL OUTPUTS: Jackery Explorer 240 is equipped with a 240 watt-hour (16.8Ah, 14.4V) lithium-ion battery pack. It features 1* AC outlet (110V 200W 400W Peak), 2* USB-A ports and 1* DC car port to power many euipments such as phone, laptop, lgiht, fan, mini cooler and so on with pure sine wave inverter.
  • ENTRY-LEVEL EXPLORER 240 FOR OUTDOOR SCENES: Jackery Portable power station with solid handle, easy to carry and easy to operate wherever you go. A solid portable power can power your iPhone, laptop and camping light up, when you enjoying weekend camping or working from home.
  • GREEN SOLAR GENERATOR:Jackery Explorer 240 with built-in MPPT controller that can get the maximum recharging efficiency can easily get recharged with the efficient solar panel, Solar Saga 60W (sold separately) to provide eco-friendly clean power.There are other flexible recharging ways with wall outlet, car outlet and generator.
  • WHAT YOU GET: You will receive 1* Jackery Entry-level Explorer 240 (240Wh Portable Power Station), 1*AC adapter, 1* car charger cable, 1* user guide,2 year customer service.For a better customer experience, we will optimize the product from time to time.

How Do You Buy The Best diesel power generator of 2021?

Do you get stressed out thinking about shopping for a great diesel power generator? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching diesel power generator, which is why we have assembled a comprehensive list of the greatest diesel power generator available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for diesel power generator that you consider buying. Your questions might include the following:

  • Is it worth buying an diesel power generator?
  • What benefits are there with buying an diesel power generator?
  • What factors deserve consideration when shopping for an effective diesel power generator?
  • Why is it crucial to invest in any diesel power generator, much less the best one?
  • Which diesel power generator are good in the current market?
  • Where can you find information like this about diesel power generator?

We’re convinced that you likely have far more questions than just these regarding diesel power generator, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for diesel power generator, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible diesel power generator. Make sure that you are only using trustworthy and credible websites and sources.

We provide an diesel power generator buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available diesel power generator currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of diesel power generator has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an diesel power generator?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your diesel power generator.
  5. Customer Ratings: Number ratings grade diesel power generator objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their diesel power generator.
  7. Product Quality: You don’t always get what you pay for with an diesel power generator, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an diesel power generator is should be an indication of how long it will work out for you.

We always remember that maintaining diesel power generator information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding diesel power generator is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.