Diesel engines in the domestic Chinese market are mainly applied in sectors including commercial vehicles, construction machinery, agricultural machinery, and power generation. In recent years, the market has demonstrated the following characteristics:
Market Size and Trends China’s domestic diesel engine sales reached 5.1165 million units in 2023, a year‑on‑year increase of 10.54%. Affected by macroeconomic fluctuations in 2024, sales dropped to 4.931 million units, representing a 3.7% year‑on‑year decline. From January to October 2025, cumulative sales hit 4.226 million units,








