Qijiang Transmission s9

Follow the narrative to see how small design choices affect everyday performance. In this video, we walk through the refurbished Qijiang S9 9-speed heavy-duty manual gearbox, demonstrating its double intermediate shaft structure, full synchronizer design, and bench-tested performance. You'll learn how its lightweight aluminum housing and split auxiliary box deliver smooth shifting and reliable power for medium and heavy trucks in logistics and mountain haul applications.