玉柴重型发动机在海外下线并试车！

Core Insights - Yuchai's first YCK11 engine produced at its Vietnam factory has successfully passed testing, marking a significant step towards localized manufacturing in Vietnam [1][3] Group 1: Localization and Testing - The YCK11 engine's testing involved simulating various real-world road conditions in Vietnam to ensure vehicle adaptability, including steep slopes, bumpy gravel roads, muddy sections, and undulating surfaces [3] - The engine demonstrated stable and reliable performance, with strong and sustained power output, successfully passing all rigorous tests [3] - This localization effort represents a key milestone for Yuchai's overseas expansion and signifies the integration of Chinese manufacturing into the local Vietnamese economy [3] Group 2: Market Developments - A significant public transportation bus tender worth 1.3 billion yuan has been finalized, indicating competitive dynamics in the market [7] - Heavy truck sales in December increased by 13%, raising questions about the total sales figures for the year and projections for 2026 [7] - Major companies such as Foton, Yutong, Chery, XCMG, and others have made bulk deliveries of heavy trucks, reflecting ongoing activity in the sector [7]