TOP 3 Diesel Generator Manufacturers Around the Globe 
The diesel generator manufacturers include complete diesel generator manufacturers and assembly OEM manufacturers.
Complete diesel generator manufacturers produce all the parts, including the diesel engine, AC alternator, radiator, controller, etc. while assembly manufacturers only make the diesel engine. such as Cummins, Perkins, Deutz, Kubota, Isuzu etc
The Top 3 diesel generator manufacturers around the world are from the U.S.: Cummins Power Generation, Caterpillar, and Kohler.
As follows, METCL will introduce to you the definitions, history, features, etc of these TOP 3 diesel generator manufacturers. The ranking will not be in any particular order but based on the influence of the market.
1. Cummins Power Generation (U.S.A)
Cummins Power Generation is one of the Top 3 most famous diesel generator manufacturers of complete power systems in the world. A complete diesel generator manufacturer under Cummins Corporation in the United States. The Cummins power generation production line in China makes Cummins C55D5-C2750D5B diesel generators, with power range from 44KW to 2200KW.
The diesel engines of Cummins Power Generation generators mainly use U.K. Cummins, India Cummins, and China Cummins. Coupling with STAMFORD AC alternator, and Cummins PCC1.1, PCC1.2, PCC2.2, and PCC3.3 series control system. AC 400V diesel generators up to 1340KW, and 10KV diesel generators above 1600KW. Also provide product services such as PLC control cabinets, DMC parallel module systems, OTEC dual power conversion systems, etc.
- Diesel and natural gas generator sets ranging from 4 to 2700 kW
- Integrated intelligent technology digital control
- Power Command control system
- ATS from 40 to 3000 amperes
- Generator Parallel system
- Sound insulation enclosure
- Container series generator sets
- Rental electricity solution
- Turnkey solution for multiple applications
- 24/7 service and support
2、 Caterpillar (U.S.A)
Caterpillar (CAT), is one of the world's TOP 3 famous diesel generator manufacturers of complete diesel generators. Caterpillar (Tianjin) Co., Ltd. is a wholly-owned subsidiary of Caterpillar established in Tianjin, China. Established in Nov 2010 in Tianjin, China. The only Caterpillar factory in China that produces large diesel engines and generator sets.
Caterpillar manufactures the New Cat GC diesel generator, which meets high standards for efficiency, reliability, and production. Well-supported by the CAT dealer network. It gives you electricity when there is no power, so your business can keep running.
- Compact base, capable of running for at least 8 hours
- New Cat GCCP automatic power failure control panel with 50 event logs
- A proven and reliable original CAT diesel engine
- Optional 110% fuel, oil, and coolant spill prevention function
- Spare options with smart heater and timer
- A silent enclosure provides maximum protection for various components
3、 Kohler (U.S.A)
KOHLER Corp (USA) is a Top 3 global manufacturer of power system equipment. Since the first diesel generator in 1920, Kohler Power Systems has grown into a global power system manufacturer. Kohler makes good stuff and offers services in the US, France, Singapore, China, and India.
Founded in 2009. Kohler China offers power system products that are suitable for specific usage conditions and have simple and efficient processes.
- Powerful and high-performance
- Multiple models ranging from 5kW to 2640 kW can meet your specific needs
- Excellent motor starting and voltage recovery capabilities
- You can configure it according to various system requirements.
- The Kohler diesel generator is dependable and offers different fuel options like diesel, natural gas, and liquefied petroleum gas. It provides the power you need whenever you need it.
- Diesel generators that meet the standards of the US Environmental Protection Agency can provide reliable electricity that meets output requirements. Kohler generators produce lots of power, perform well, offer flexibility, and utilize fuel efficiently.