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The AZ2203020101 Input Shaft Assembly is a critical component of the heavy-duty transmission system used in Sinotruk HOWO T7H, Sitrak C7H, and Hohan trucks. Engineered to handle extreme torque and heavy loads, this genuine assembly ensures seamless power transfer from the engine to the gearbox. Manufactured with precision forging and high-grade alloy steel, it offers superior wear resistance and extended service life.
Technical Specifications:
Part Name: Input Shaft Assembly (First Shaft)
Part Number: AZ2203020101
Application: Sinotruk HOWO T7H, Sitrak C7H, Hohan Series
Gearbox Compatibility: Suitable for Sinotruk HW19710, HW19712, and HW25712 series transmissions.
Material: 20CrMnTi Alloy Steel (Carburized and quenched)
Teeth Specification: High-precision spline and gear teeth for reduced noise.
Weight: Approximately 11.8 kg
Standard: OEM Genuine Sinotruk Standard
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To maintain the warranty and ensure optimal performance of your Sinotruk howo parts, please follow these professional installation steps:
System Cleanliness: Before installation, ensure the gearbox housing is completely flushed of old oil and metallic debris.
Spline Lubrication: Apply a thin layer of high-temperature grease to the input shaft splines to prevent premature wear during the initial engagement with the clutch disc.
Bearing Replacement: It is highly recommended to replace the input shaft pilot bearing (located in the flywheel) and the main input shaft bearing at the same time as this assembly.
Alignment Check: Use a professional alignment tool when mounting the gearbox to the engine. Any slight misalignment can cause the AZ2203020101 shaft to bend or cause vibration.
Seal Inspection: Always replace the front oil seal to prevent gear oil from leaking onto the clutch assembly.
