
Jintan Diesel Engine Changzhou Co., Ltd. manufactures Swan-brand single-cylinder diesel engines and generator sets, backed by end-to-end in-house machining, assembly, and testing.
Jintan Diesel Engine Changzhou Co., Ltd. is a long-established Chinese manufacturer specializing in Swan-brand single-cylinder internal-combustion engines and power generator sets. Its product range includes 2–32 HP air-cooled and water-cooled diesel engines, along with generators and related power machinery products across more than 60 models.
The company operates integrated production capabilities covering diesel engine design, heat treatment, machining, assembly, and testing, enabling consistent quality control across the full manufacturing process. With strong technical capability, well-equipped production lines, and complete measurement and inspection methods, the company supports dependable product performance and responsive after-sales service.
Swan-brand engines are widely used in vehicle transport, agricultural and engineering machinery, and marine applications. The products are sold in China and exported to Southeast Asia, South America, and other markets, reaching more than 50 countries and regions.

Formerly known as Jintan Diesel Engine Works, the company has a long manufacturing heritage and has evolved from a state enterprise into a modern private enterprise focused on power machinery.
Established as Jintan Diesel Engine Works.
Swan-brand 170F diesel engine entered trial production.
Began regular production of the Swan 170F diesel engine.
Joined Changchai Group in December 1995.
Entered cooperation with Changchai Co., Ltd.
Reformed to a private enterprise in October 2003.
Swan Group was formed in August 2007.
Swan brand was awarded as a China Famous Trademark.
Strong technical capability, well-developed equipment, and complete measurement methods support reliable product quality, complemented by quick and considerate after-sales service.
The company is recognized as an early exporter of air-cooled diesel engines from China.
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