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This Sinotruk HOWO Input Shaft Assembly (Part No. AZ220302000118) is a vital component for heavy-duty transmission systems. Specifically designed for high-horsepower engines in the HOWO T7H, Sitrak C7H, and Hohan series, this assembly ensures efficient torque transmission and smooth gear shifting under extreme load conditions.
Technical Specifications:
Product Name: Input Shaft Assembly / First Shaft
Part Number: AZ220302000118 (also matches AZ22030200118)
Transmission Series: Compatible with Sinotruk HW19710, HW19712, and HW25712 Gearboxes
Material: High-grade 20CrMnTi Alloy Steel
Hardness: HRC 58-62 (Carburized and Quenched)
Weight: 11.5 kg
Manufacturing Standard: Original OEM Sinotruk Quality
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Ensuring the correct installation of your Sinotruk howo parts is essential for vehicle uptime. Please follow these expert guidelines:
Gearbox Oil Flush: Always drain old transmission fluid and clean the gearbox housing to remove any metallic particles before installing the new AZ220302000118 shaft.
Bearing Replacement: It is highly recommended to replace the input shaft bearing and the pilot bearing (flywheel bearing) simultaneously to prevent vibration.
Clutch Alignment: Use a dedicated alignment tool to ensure the input shaft splines perfectly match the clutch disc. Forced insertion can damage the splines.
Seal Check: Replace the front input shaft oil seal to prevent gear oil leakage onto the clutch plate, which could cause slipping.
Torque Verification: Tighten the gearbox front cover bolts to the manufacturer’s specified torque settings.
