Top 10 Global Diesel Generator Brands 2024 - Walt Power

21 Jul.,2025

 

Top 10 Global Diesel Generator Brands - Walt Power

In remote or inaccessible areas of the utility grid, diesel generator sets are very important for people's daily life production.

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Currently, there are many manufacturers of diesel generator sets in the global market, and the following top ten globally renowned brands provide vital support in providing continuous and stable power solutions.

Especially in emergency special situations, these brands bring safe and reliable backup/primary power to users.

This article will introduce these top 10 diesel genset brands.

#1. Cummins

Cummins is one of the well-known brands in the diesel generator set industry. 

Founded in in the United States. After more than 100 years of development, Cummins has become a leader in energy solutions for the power industry, offering a wide range of engines and diesel generators for various purposes that are efficient, reliable, and durable.

The Main Features of Cummins Diesel Generators

  • Excellent reliability
  • Fast adaptation to different loads
  • Low emissions
  • Peak performance
  • Flexibility to power prime or standby

As of , Cummins has established over 9,000 cooperative dealers and more than 500 self-operated agent service networks in over 190 countries and regions worldwide.

They offer timely and professional pre-sales and after-sales technical support to customers globally.

#2.Caterpillar (CAT)

Caterpillar, also known as CAT, is another well-known name in the diesel generator market.

Founded in , it has grown over 90 years and is now a leader in the manufacture of construction and mining equipment, diesel engines, and power generation systems.

In the field of diesel generator sets, Caterpillar continues to introduce new technologies to improve the high performance and long-lasting durability of diesel generator sets.

The constant pursuit of quality has made Caterpillar diesel generator sets the preferred choice for a variety of high-end industrial, commercial, and residential applications.

From 6 to 5,720 kW (7.5 to 7,150 kVA) of power potential, CAT diesel-fueled generator sets are built to world-class standards, for high efficiency, low fuel consumption, and global emissions compliance.

CAT commercial and industrial generator sets come in a range of options to match your power needs

#3.Perkins

Perkins Engines Company Limited, a subsidiary of Caterpillar Inc. since , is primarily a diesel engine manufacturer for several markets including agricultural, construction, material handling, power generation, and industrial.

It was established in Peterborough, England in . Over the years, Perkins has expanded its engine catalog, producing thousands of different engine specifications including diesel and petrol engine automotive.

With a history stretching back 90 years, Perkins is one of the world’s leading providers of diesel engines.

Perkins aims to set standards of engineering excellence, providing the most comprehensive range of innovative and reliable power solutions, tailored to meet the precise requirements of our customers.

Perkins engine has four factories around the world

  • PERKINS CHINA
  • PERKINS INDIA
  • PERKINS UK
  • PERKINS USA

These factories manufacture engines for diesel generators from 7.2kW up to kW.

#4. Yanmar

Yanmar Co., Ltd. is a Japanese diesel engine, heavy machinery, and agricultural machinery manufacturer founded in Osaka, Japan in .

Yanmar manufactures and sells engines used in a wide range of applications, including seagoing vessels, pleasure boats, construction equipment, agricultural equipment, and generator sets.

YANMAR acquires 70% of Spanish generator-set manufacturer HIMOINSA, and HIMOINSA is a sub-brand of YANMAR.

#5. MTU (Rolls-Royce)

With a history dating back to , MTU is a renowned German company that specializes in manufacturing high-performance diesel generators.

The Business Unit Power Systems of Rolls-Royce is headquartered in Friedrichshafen.

MTU systems power the largest yachts, the strongest tugboats, and the biggest land vehicles and provide energy for the world’s most important mission-critical applications.

Through advanced solutions such as microgrids, we integrate renewable energies and manage the power needs of our customers.

Operating under the umbrella of Rolls-Royce as a product and solution brand, MTU delivers top-tier power solutions for a wide array of applications, including

  • Airports
  • Data Centers
  • Healthcare Facilities
  • Independent Power Plants
  • Manufacturing Plants
  • Wastewater Treatment Plants

The MTU engines listed below are crafted to deliver minimal emissions, low fuel usage, and utmost reliability, ensuring seamless operation even in the most challenging environments

  • MTU series (- kVA), offers top-tier performance for distributed energy provision
  • MTU series (770- kVA), provides instant power output even under severe environmental conditions
  • MTU series (460-730 kVA), embodies MTU's power, reliability, and technology within this power category
  • MTU – series (30-94 kVA), Similar to their larger generator set equivalents, these generators in the lower power range exhibit exceptional efficiency, minimal fuel usage, and outstanding reliability

#6. Generac

Established in , Generac Holdings, Inc. (also recognized as "Generac Power Systems, Inc." and "Generac") stands as a prominent worldwide producer of diesel generators.

Renowned for its dependable and economical power solutions, the company has established a solid reputation for serving residential, commercial, and industrial clients.

Generac supplies the generators under the “Homeowners” and “Business & Industry” segments:

Homeowners

Portable Generators, range from the smallest power inverters to 17.5kW.

They are ideal for construction, home backup, recreation, and tailgating.

Business & Industry

Industrial applications include gaseous generators, diesel generators, bi-fuel generators, as well as transfer switches and controllers

#7. Kohler (SDMO, Subsidiary of Kohler)

Kohler, a renowned name in the power generation sector, boasts a heritage tracing back to .

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They aim to design power systems that meet requirements for the highest levels.

Kohler delivers industrial power systems for emergency, prime power, and energy-management solutions worldwide – from data centers and hospitals to water treatment facilities and government offices.

Kohler Diesel Generator’s exclusive features:

  • Quick drag-and-drop load management
  • Automatic one-line diagram and steps report
  • Pre-populated engineering tools
  • Optimum generator set results
  • Summaries, reports, and technical documents
  • Connect with Kohler partners for hassle-free quotes and assistance
  • Secure access and cloud-based project storage
  • Designed for use on a PC, Mac, or Tablet device

SDMO, founded in the French city of Brest in , SDMO joined the international Kohler group in , with its Power Systems activity making the group the world's third-largest generator manufacturer.

In , the SDMO brand became KOHLER-SDMO to reflect the fact that it was part of the Kohler group, and to create a direct link with the launch of its new KD SERIES product range which integrated 800 to kVA motors from the KOHLER brand.

From petrol or diesel or HVO power generating sets to continuous or backup electricity production plants, including domestic generators, sound-proofed and robust for the rental power market and standard industrial generators, KOHLER develops its solutions for all sectors where power is needed.

Through the acquisition of SDMO, Kohler has formed one of the globe's largest industrial generator manufacturers, with a presence in over 800 locations worldwide.

Kohler produces industrial gensets up to 4MW for various applications such as standby, prime, and energy management.

In addition to this, Kohler offers a range of marine, mobile, home, and portable generators, along with authentic spare parts and comprehensive service options

#8. Atlas Copco

The Atlas Copco was founded as “Atlas” (), which became “Atlas Diesel” () before being renamed “Atlas Copco” ().

Today, the 150-year-old company has customers in 180+ countries.

Atlas Copco provides robust, reliable, and versatile generators with easy serviceability and excellent best-in-class fuel economy.

Atlas Copco’s diesel generator sets include:

  • Small Portable Diesel Generators (QAS 25 ID, QAS45 ID, and QAS 70 ID)
  • Medium Diesel Generators (QAS 95 JD, QAS125 JD, QAS 150 JD, QAS 175 JD, QAS 200 JD, QAS235 FD)
  • Large Diesel Generators (QAS250 JD, QAS300 JD, QAS 410, and QAS 700)
  • QAC TwinPower (a 20’ft containerized generator providing up to kVA)

QAX Mobile Diesel Generators

The Atlas Copco QAX mobile diesel generators (up to 100kVA) provide uninterrupted power on the move.

The single-axle sturdy undercarriage with parking brakes makes these reliable generators easy to move on the site.

#9. John Deere

Deere & Company, doing business as John Deere, founded in , is a renowned American corporation that manufactures agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains (axles, transmissions, gearboxes) used in heavy equipment, and lawn care equipment.

Renowned for their robust construction and long-lasting performance, John Deere generators have become a preferred choice for a wide spectrum of applications, including residential, commercial, and industrial settings.

The brand's dedication to innovation and customer satisfaction has positioned it as a trusted leader in the diesel generator market, setting the standard for excellence and reliability

#10. FG Wilson (Subsidiary of Caterpillar)

FG Wilson was founded in in the UK, Today FG Wilson is powering life in over 150 countries with around 670,000 Gensets installed since .

One of FG Wilson's key strengths is its ability to meet a wide range of customer needs.

Whether it's a residential, commercial, or industrial application, FG Wilson's diesel generators can be trusted to provide a consistent, reliable supply of power.

The company's commitment to innovation and customer satisfaction solidifies its position as an industry leader.

In , FG Wilson became a wholly owned subsidiary of Caterpillar.

Today, with 28,000 square meters in China and additional manufacturing facilities in Brazil and India, FG Wilson offers one of the widest ranges of diesel generator sets, from 6.8 – 2,500 kVA, with a full range of enclosures and switchgear.

Conclusion

The above top ten well-known diesel generator brands provide a constant supply of power to the global energy system with advanced technology and strict quality control.

Caterpillar Generators Buying Guide


Looking for a reliable power generation source for your workplace amidst the skyrocketing demand for generators? Yes, the sales of generators are projected to hit $29 billion by the end of

Look no further, for we bring you the top models by Caterpillar– a top player in ensuring the durability and innovation of generators. Working for decades as an important part of the power supply niche, Caterpillar generators vary from large mobile units to smaller units for backup in case of power outages. 

Review the comprehensive buying guide to determine the best Caterpillar generator according to your needs in .

Specifications of Caterpillar Generators

Caterpillar generators are engineered with a perfect process and reliability to give you steady power across different machine applications. These generators boast a wide range of specifications tailored to meet the specific needs of users:

  • Power Output: These standby power units are available at a number of output levels – from several kilowatts to multi-megawatts capacity – which are suitable for both limited and sizable energy demands.
  • Fuel Efficiency: The use of the modern systems in conjunction with the highly efficient combustion technology allows Caterpillar generators to be very fuel-efficient. This leads to cost-saving and slows down the environmental impact.
  • Voltage Regulation: Caterpillar generators come with sophisticated voltage regulation systems in place to look after and maintain the quality of electricity they supply and ensure the equipment connected to these generators remains protected from any voltage fluctuations.
  • Emissions Compliance: All the Caterpillar generators are compliant with the stringent emissions regulations that have been established.
  • Durability: Made to withstand the most extreme operating conditions, Caterpillar generators consist of heavy-duty construction and premium components to maintain exceptional long-term reliability and durability.
  • Noise Levels: Caterpillar generators have sound attenuation technology that enables the generator to minimize noise, thus creating a comfortable work environment.
  • Integration Capabilities: Indeed, Caterpillar generators can work with several integration options, such as paralleled operation, synchronicity, or grid connection, which gives them the opportunity to be smoothly incorporated into existing power system networks.

Fuels Available

The Caterpillar generators can run on many different fuel types, and this feature makes them ‘fuel flexible’ and a must-have for any application. The most common fuel options available for Caterpillar generators include:

  • Diesel: Diesel engines are well-known globally because of their efficiency, durability, and reliability. Caterpillar Diesel gensets are great and can be used both with standby and prime outputs, providing low operating costs and strong performance.
  • Natural Gas: Moving toward natural gas-powered generators instead of diesel-powered ones is an obvious environmentally friendly alternative due to the low emissions and cleaner operation of gas-fired plants. The Caterpillar generators powered by natural gas are perfect for standby, continuous, combined heat and power (CHP) operations, and they are able to support efficient power availability and lower the carbon footprint.

Types of Generators Offered by Caterpillar

Generator Type Description Standby Generators Designed for emergency backup power, standby generators automatically start and provide electricity to critical loads during power outages. They are suitable for commercial and industrial applications where uninterrupted power is essential. Prime Power Generators Prime power generators are engineered for continuous operation in off-grid or remote locations where utility power is unavailable or unreliable. They provide a reliable and consistent power supply for extended periods, making them ideal for remote mining sites, telecommunications towers, and rural communities. Portable Generators Portable generators are compact, versatile units designed for temporary power needs in construction, events, and outdoor applications. They are easy to transport and operate, making them suitable for providing backup power at job sites, outdoor events, or recreational activities

Integrated Technology

Caterpillar generators come with the latest technological advancements and features to facilitate performance, savings, and better service for the end user. Some of the integrated technologies found in Caterpillar generators include:

  • Caterpillar Connect: Cat Connect is a portal with an advanced online monitoring and diagnostics system that has powerful control and telematics of Caterpillar engines, generators, and other well-designed products. Through Cat Connect, one can be aware of fuel consumption, operation parameters, issues related to the maintenance, and optimization of the generator performance for maximum uptime and efficiency.
  • Caterpillar Electric Power Digital Suite: The Electric Digital Suite is a carrier of information about Caterpillar generators. It is an online platform that allows the generator to be monitored and analyzed in real-time. This package provides solutions to predictive maintenance, condition monitoring, asset management, and remote engine servicing that are suitable for users. It can be used for maintenance, inspection, and other services for generators and optimized performance.
  • Advanced Control Systems: Caterpillar sets apart its generator systems by integrating precise and reliable voltage regulation and frequency controls and seamless utility grid or renewable energy source connections. These control systems improve the generators’ performance and prevent the loss of critical equipment through intelligent monitoring and real-time adjustments that ensure prompt and reliable power delivery despite the operating conditions.

Buy Your Caterpillar Generator from CS Diesel Generators

Buying a Caterpillar generator in will provide you with a true and powerful principle of energy that you can rely on. They feature a multitude of specifications, fuel choices, generator models, and integrated technologies. Thus, these generators are capable of overcoming the demands of diverse industries and applications. Be it remote prime power or construction portable power, Caterpillar generators have a wide range of solutions to match your needs perfectly. 

Go for the Caterpillar generator and experience power all the time, anywhere you wish. Buy your Caterpillar generator through the experts at CS Diesel Generators and see your investment giving powerful returns.

Common Questions About Caterpillar Generators

Q1. How do I determine the right size Caterpillar generator for my needs?

Determining the correct size Caterpillar generator involves assessing your power requirements based on the appliances and equipment you need to power during an outage or in remote locations. Caterpillar provides sizing tools and guidelines to help you calculate your power needs accurately. Factors such as wattage, starting and running currents of appliances, and any additional equipment you plan to power should be considered. Consulting with a Caterpillar dealer or generator specialist can also provide valuable assistance in selecting the appropriate generator size for your specific needs.

Q2. What fuel options are available for Caterpillar generators, and how do I choose the best one for my application?

Caterpillar generators are designed to operate on a variety of fuel types, including diesel, natural gas, and biogas. The choice of fuel depends on factors such as availability, cost, emissions regulations, and the intended application. Diesel generators are known for their reliability and efficiency, making them suitable for standby and prime power applications. Natural gas generators offer cleaner operation and lower emissions, making them ideal for environmentally sensitive areas or continuous power applications. Biogas generators provide a renewable energy solution by utilizing organic waste materials. Consider your specific requirements and consult with Caterpillar experts to determine the best fuel option for your application.

Q3. What maintenance is required for Caterpillar generators, and how often should it be performed?

Caterpillar generators are designed for reliability and longevity, but regular maintenance is essential to ensure optimal performance and prevent downtime. Maintenance intervals may vary depending on factors such as operating conditions, usage, and environmental factors. Caterpillar recommends following a comprehensive maintenance schedule outlined in the generator’s operating manual, typically including tasks such as fluid checks, filter replacements, inspections of electrical components, and testing of critical systems. It’s essential to adhere to the manufacturer’s recommended maintenance intervals and procedures to maximize the lifespan and efficiency of your Caterpillar generator. Additionally, enlisting the services of authorized Caterpillar dealers like CS Diesel Generators can ensure that maintenance is performed correctly and according to manufacturer guidelines.

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