KC2203030228 Countershaft Assembly is compatible with Sinotruk HW19710, HW25712 and ZF 12AS series gearboxes. It is forged from high-strength alloy steel and processed by carburizing and quenching, featuring excellent hardness and wear resistance with strong fatigue and impact resistance. Adopting precision gear meshing design, it delivers high transmission efficiency, low noise and stable operation. Made in accordance with original factory process standards, it features accurate dimensions and good interchangeability for easy installation. It effectively reduces maintenance costs, extends the service life of the gearbox, and is suitable for mainstream models such as Sinotruk HOWO and Sitrak.
KC2203030228 Countershaft Assembly
KC2203030228 Countershaft Assembly is a core transmission part of the gearbox, compatible with Sinotruk 12-speed, 16-speed and ZF 12AS series gearboxes, applicable to HOWO T7H, Sitrak C7H and other models. The assembly includes countershaft body, gears, bearings, circlips and other components, with precise CNC machining and professional assembly for excellent dynamic balance. With surface anti-rust treatment, it adapts to harsh working conditions of heavy load, high temperature and dust. It strictly follows original factory quality standards and passes multiple tests before delivery, ensuring stable performance and durable power transmission for gearboxes.
