Driven by surging demand from global cloud computing infrastructure and data centers, Weichai Power’s M‑series large‑bore engine business has delivered strong growth, emerging as a key driver of the company’s value expansion. According to the latest disclosures, Weichai Power posted robust performance in its large‑bore engine segment in 2025. Sales of M‑series large‑bore engines reached approximately 11,000 units, representing a year‑on‑year increase of 32%, while revenue climbed to RMB 5.81 billion, up 65% from the previous year. Notably, revenue growth significantly outpaced volume growth, underscoring the company’s progress in product premiumization and value enhancement.

In particular, large‑bore engines designed for data center applications delivered standout performance. Sales reached around 1,400 units, surging 259% year on year, making this segment the primary growth driver of Weichai’s large‑bore engine business.

Amid a global wave of investment in data centers serving cloud computing and artificial intelligence (AI), Weichai has rapidly expanded its presence in the data center power generation market, leveraging its technological strengths and competitive product portfolio. Of particular note, the company launched the world’s first 5 MW high‑speed diesel generator set, with key performance indicators reaching world‑class standards. The product is widely viewed as a significant milestone, further expanding Weichai’s pricing power in the high‑end market.

Alongside market expansion, Weichai Power continues to advance capacity upgrades and manufacturing process improvements, laying a solid foundation for long‑term, sustainable growth. With multiple growth drivers converging, the M‑series large‑bore engine business is increasingly emerging as a strategic pillar, strengthening Weichai’s global competitiveness and long‑term corporate value.