第一商用车网·2026-02-14 09:09Core Viewpoint - The domestic diesel engine market showed a mixed performance in January 2026, with a slight month-on-month decline but significant year-on-year growth, indicating a strong start to the year despite some market adjustments [1][3][17]. Diesel Engine Sales Overview - In January 2026, domestic diesel engine sales reached 510,200 units, reflecting a month-on-month increase of 11.80% and a year-on-year increase of 23.82% [3]. - The multi-cylinder diesel engine sales were 422,700 units, with a month-on-month growth of 17.41% and a year-on-year growth of 24.90% [4]. Commercial Vehicle Market Performance - Commercial vehicle production and sales in January 2026 were 388,000 and 359,000 units respectively, showing a month-on-month decline of 6.8% and 15.6%, but year-on-year growth of 29.9% and 23.5% [4]. - The multi-cylinder diesel engine market closely followed the commercial vehicle market trends, with sales figures indicating a strong correlation [4]. Leading Companies in Multi-Cylinder Diesel Engine Sales - Weichai maintained its leading position with sales of 83,500 units, a month-on-month increase of 3.67% and a year-on-year increase of 11.43%, holding a market share of 19.75% [5][8]. - Yuchai ranked second with sales of 62,000 units, achieving a remarkable month-on-month increase of 80.97% and a year-on-year increase of 46.71%, capturing 14.67% of the market share [5][8]. - Anhui Quanchai entered the top three with sales of 37,000 units, reflecting a month-on-month growth of 41% and a year-on-year growth of 20% [5][8]. Market Share Dynamics - The top ten companies accounted for 79.64% of the total multi-cylinder diesel engine sales, showing an increase of nearly 3 percentage points compared to the previous year [4]. - The market share of Yuchai increased by 2.18% year-on-year, while Weichai's share decreased by 2.39% [5][8]. Notable Performances of Other Companies - Dongfeng Cummins and Zhejiang Xinchai also reported strong sales, with Dongfeng Cummins selling 23,500 units (month-on-month growth of 17.43%, year-on-year growth of 47.09%) and Zhejiang Xinchai selling 21,900 units (month-on-month growth of 0.50%, year-on-year growth of 37.74%) [11][15].