Industry Data | Weichai's 210000 units of all diesel engines surpass 100000 units, liberating power to advance. Sales of multi cylinder diesel engines in the first quarter have arrived

In March, the diesel engine market experienced a "double growth" year-on-year.

Recently, according to data released by the China Internal Combustion Association, in March 2025, the sales of internal combustion engines in China reached 4.8373 million units, a month on month increase of 34.67% and a year-on-year increase of 12.07%; From January to March, the cumulative sales volume was 12.512 million units, a year-on-year increase of 14.51%. In March, driven by multiple factors such as the "trade in" policy and the implementation of national subsidies, the overall performance of the internal combustion engine market was relatively stable, achieving dual growth on a month on month and year-on-year basis, and the cumulative growth rate also expanded.

The multi cylinder diesel engines used in commercial vehicles, which are closely related to the commercial vehicle market, have not performed as expected, achieving growth on a month on month basis, but showing a slight decline year-on-year, and the cumulative growth rate has become negative again. In March 2025, sales of multi cylinder diesel engines for commercial vehicles reached 208900 units, a month on month increase of 27.83% and a year-on-year decrease of 1.56%; From January to March, the cumulative sales volume was 524500 units, a year-on-year decrease of 0.25%.

Diesel engine: sales of 1.3685 million units from January to March, a year-on-year increase of 4%

In March 2025, domestic diesel engine sales reached 543900 units, a month on month increase of 31.83% and a year-on-year increase of 2.01%; From January to March, the cumulative sales of diesel engines reached 1.3685 million units, a year-on-year increase of 3.92%. The sales volume of diesel engines increased significantly month on month, but the year-on-year growth rate slowed down.

Let's take a look at the performance of various power companies below.

Multi cylinder diesel engine: cumulative sales of 1.12 million units in the first quarter, an increase of 3% year-on-year

In March 2025, China's commercial vehicle production and sales reached 431000 and 447000 units, respectively, with a month on month increase of 35.8% and 42.8%, and a year-on-year decrease of 1.4% and 2.4%, respectively; From January to March 2025, the production and sales of commercial vehicles reached 1.048 million and 1.051 million respectively, an increase of 5.1% and 1.8% year-on-year. The performance of the multi cylinder diesel engine market and the commercial vehicle market fluctuated in sync, with a relatively high month on month increase in March, but a slight year-on-year decline.

In March 2025, the sales volume of multi cylinder diesel engines in China was 443300 units, a month on month increase of 29.46% and a year-on-year decrease of 0.59%; From January to March, the cumulative sales volume was 1.1241 million units, a year-on-year increase of 2.75%. The top ten companies in terms of cumulative sales of multi cylinder diesel engines are Weichai, Yuchai, Quanchai, Yunnei, Xinchai, Dongfeng Cummins, Jiefang Power, Yituo (including Yangdong), Jiangling Motors, and New Power Technology. The top ten cumulative sales accounted for 76.98% of the total sales of multi cylinder diesel engines, which is basically the same as February.

From a single month perspective in March, most companies have achieved month on month growth. In March, Weichai remained the monthly champion, selling 78100 multi cylinder diesel engines, achieving a month on month growth of 30.11%; The second place is still Yuchai, with sales of 55500 units, achieving a month on month increase of 15.41%; The third place is Anhui Quanchai, with sales of 41100 units, achieving a month on month increase of 36.23%. Since the beginning of this year, Quanchai's performance has been very impressive. Ranked fourth is Yunnei Power, which sold 40600 multi cylinder diesel engines in March, achieving a month on month growth of 25.02%. In March, at the launch ceremony of the Kunming Intelligent Connected Vehicle Supervision Platform and the issuance of the first license plate for road testing, Yunnei Power received the first batch of intelligent connected vehicle testing code plates issued by Kunming City in Yunnan Province. Yunnei Power's unmanned delivery vehicles began road testing. Zhejiang Xinchai ranked fifth with a sales volume of 33400 units in March, achieving a month on month increase of 54.49%. The top five are the only companies with monthly sales exceeding 30000 units. Next, let's take a look at the cumulative sales situation for the first quarter.

Sales and proportion of multi cylinder diesel engines from January to March 2025

According to the cumulative sales data in the table above, in the first quarter of 2025 (January to March), Weichai's cumulative sales reached another level, successfully exceeding 200000 units, and its champion position was stable. It sold 213100 multi cylinder diesel engines, achieving a year-on-year growth of 3.25%, and its market share was 18.96%, an increase of 0.62% compared to the same period last year; Yuchai, ranked second, achieved a cumulative sales volume of 145800 units, a year-on-year increase of 19.50%, and a market share of 12.97%, an increase of 2.13% compared to the same period last year; Anhui Quanchai ranks third, with cumulative sales exceeding 100000 units, reaching 102400 units, achieving a year-on-year growth of 10.82% and capturing 9.11% of the market share, an increase of 0.9% compared to the same period last year. The top three are the only companies with cumulative sales exceeding 100000 units.

Ranked fourth is Yunnei Power, with a cumulative sales volume of 93200 units and a market share of 8.29% in the first quarter of 2025; The fifth place goes to Zhejiang Xinchai, with a cumulative sales volume of 70900 units in the first quarter, achieving a year-on-year growth of 3.50%. Its market share is 6.31%, an increase of 0.22% compared to the same period last year.

Jiefang Power achieved an increase in ranking, rising from eighth place in January February to seventh place in the first quarter, with a cumulative sales volume of 47500 units and a market share of 4.23%; Jiangling Motors returned to the top ten and ranked ninth, with a cumulative sales volume of 46700 units in the first quarter and a market share of 4.15%.

Multi cylinder diesel engines for commercial vehicles: Sales of 524500 units in Q1, Weichai 120000 units

In March 2025, sales of multi cylinder diesel engines for commercial vehicles reached 208900 units, a month on month increase of 27.83% and a year-on-year decrease of 1.56%; From January to March, the cumulative sales volume was 524500 units, a year-on-year decrease of 0.25%. The top ten companies in terms of sales are Weichai, Yuchai, Yunnei, Jiangling, Fukuda Cummins, Jiefang Power, Quanchai, Jianghuai, Dongfeng Cummins, and New Power Technology. The top ten companies account for 88.93% of the total sales, slightly lower than last month.

In March, Weichai won the monthly sales champion of multi cylinder diesel engines for commercial vehicles with 48400 units, achieving a month on month growth of 37.15%; The runner up is Yuchai, with monthly sales of 24200 units, a month on month increase of 22.45%; Yunnei Power still ranks third with sales of 22100 units, a month on month increase of 13.52%; Jiangling Motors, ranked fourth, sold 20600 units, a month on month increase of 47.26%. The top four are the only companies with monthly sales exceeding 20000 units. Let's take a look at the cumulative sales performance of each company.

Sales and proportion of multi cylinder diesel engines for commercial vehicles from January to March 2025

According to the cumulative sales data in the table above, in the first quarter of 2025 (January March), Weichai's total sales exceeded 100000 units, with a cumulative sales of 121100 units and a market share of 23.09%, an increase of 1.02% compared to the same period last year; Yuchai ranked second with a cumulative sales of 62500 units, achieving a year-on-year growth of 27.56%, and holding a market share of 11.92%, a significant increase of 3.01% compared to the same period last year; Ranked third, Yunnei Power has sold 53800 units and captured 10.26% of the market share. As with last month, the top three are still the only companies with double-digit market share.

In the first quarter of 2025, Jiangling Motors achieved an increase in ranking, rising from fifth place in January and February to fourth place. Its cumulative sales of multi cylinder diesel engines for commercial vehicles were 46600 units, accounting for 8.88% of the market share. Anhui Quanchai also achieved rapid growth year-on-year, ranking seventh in the first quarter with a cumulative sales of 32800 units, a year-on-year increase of 23.32%, and a market share of 6.25%, an increase of 1.42% compared to the same period last year. New Power Technology has returned to the top ten, with a cumulative sales volume of 21500 units in the first quarter and a market share of 4.09%.

Article source: Reprinted from First Commercial Vehicle Network