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Top 10 Global Diesel Generator Brands 2024

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

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 Diesel Generator

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

Founded in 1919 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 2023, 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 (CAT) Diesel Generator

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

Founded in 1925, 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


Perkins Diesel Engine

Perkins Engines Company Limited, a subsidiary of Caterpillar Inc. since 1998, 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 1932. 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


These factories manufacture engines for diesel generators from 7.2kW up to 2000 kW.

#4. Yanmar

Yanmar Diesel Generator

Yanmar Co., Ltd. is a Japanese diesel engine, heavy machinery, and agricultural machinery manufacturer founded in Osaka, Japan in 1912.

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)

MTU Diesel Generator

With a history dating back to 1909, 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 4000 series (1600-4000 kVA), offers top-tier performance for distributed energy provision
  • MTU 2000 series (770-1270 kVA), provides instant power output even under severe environmental conditions
  • MTU 1600 series (460-730 kVA), embodies MTU’s power, reliability, and technology within this power category
  • MTU 0080 – 0025 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

Generac Diesel Generator

Established in 1959, 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:


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 Diesel Generator

Kohler, a renowned name in the power generation sector, boasts a heritage tracing back to 1920.

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

Kohler Sdmo Diesel Generator

SDMO, founded in the French city of Brest in 1966, SDMO joined the international Kohler group in 2005, with its Power Systems activity making the group the world’s third-largest generator manufacturer.

In 2016, 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 4500 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

Atlas Copco Diesel Generator

The Atlas Copco was founded as “Atlas” (1873), which became “Atlas Diesel” (1917) before being renamed “Atlas Copco” (1956).

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 1500 TwinPower (a 20’ft containerized generator providing up to 1450kVA)

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

John Deere Diesel Engine

Deere & Company, doing business as John Deere, founded in 1838, 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 Diesel Generator

FG Wilson was founded in 1966 in the UK, Today FG Wilson is powering life in over 150 countries with around 670,000 Gensets installed since 1990.

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 2000, 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.


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.

Ke Wong

Ke Wong

Hey, I’m Ke Wong joined WALT POWER in 2011. I spent a dozen years focused on generator set & load bank technology and solutions for the power & energy industry. WALT Power is a reliable & leading manufacturer & supplier in China, as a business director, I am so proud of our knowledge is more and more popular not only for engineers, and generator distributors but also for end-users. Hope you are enjoying our article, if any questions or comments welcome to send me sales at