Since 1967, Diethelm & Co.,Ltd. has been a very successfully represented Cummins in Thailand. In 2007, this venture developed to the better relationship, which benefits Cummins and Diethelm by bringing together in a partnership of a closer cooperation – a joint venture to be Cummins Diethelm Co.,Ltd. which later changed to Cummins DKSH (Thailand) Limited.

Cummins DKSH (Thailand) combines the strengths of two outstanding organizations , offering power solutions to the countries in the Greater Mekong Sub-region. We look to continuously grow our markets by leveraging on our excellence in sales , distribution  and service of engines , power generators and after market products.


Cummins Products

  1. Power Generation Business

Diesel Generator Set ; manufacture of pre-integrated generator sets ranging from 17-3750 kVA. All major components-engine, alternator, transfer switches and control systems-are designed and manufactured by Cummins.

Automatic Transfer Switch ; technology for easy operation, and a robust , high-contact-force design. Available from 40-4,000 amps including open , closed or programmed transition transfer even Bypass configurations.

Powercommand Cloud Remote Monitoring System ; enables authorized users to monitor control their power system, including generator sets, transfer switches and auxiliary devices, whether the user is on-site or offsite.

Digital Paralleling Systems ; paralleling systems are operated by DMC (Digital Mater Controls) that interface directly with PowerCommand controller generator set optimizing performance and simplifying operation and service.

  1. Engines Business

Cummins engines are found in nearly every type of vehicles and equipment on earth. You’ll also find us everywhere there’s water, with a full line of recreational and commercial marine diesels. And every Cummins engine is backed by Cummins Genuine Parts and Service, providing total customer support from over 5,500 worldwide locations every hour and every minute of every day.

  1. Aftermarket -Service and Spare Parts

At Cummins DKSH (Thailand), our commitment to our customers continues from initial contact to the end of the useful life of our product and beyond. We operate a large part stock of 1) Genuine Cummins Parts (New and ReCon) 2) Cummins Filtration / Fleetguard Products (air, coolant, fuel, lube, hydraulic, DEF) 3) Valvoline Premium Blue Lubricants.


Our goal is to deliver first class services outstanding value to our customers for all markets requirement. We offer a complete line of special repair and electronics tooling to diagnose ranging from minor repair, preventive maintenance and overhaul including engine dynamometer testbed. Cummins knows that Every Minute Counts. Because of this, Cummins provides the service support you need, when you need it. Whether in the shop or in the field, every Cummins Distributor has the technical expertise, factory support, and experience to deliver fast high quality repairs through our global QuickServe process.

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