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This genuine Sinotruk HOWO Input Shaft and Gear Assembly (Part No: AZ22030200120) is engineered for heavy-duty performance. Specifically designed for Sinotruk HOWO T7H, Sitrak C7H, and Hohan series, this assembly ensures seamless power transmission and high torque resistance in demanding environments.
Technical Specifications:
Part Name: Input Shaft and Gear Assembly
Part Number: AZ22030200120 / AZ2203020012
Compatible Models: Sinotruk HOWO T7H, Sitrak C7H, Hohan Truck Series
Transmission Model: HW19710, HW19712, HW25712 series (Please verify your gearbox model)
Material: High-strength 20CrMnTi Alloy Steel
Processing: Forged, Heat-treated, and Precision Ground
Weight: Approx. 12.5 kg (Standard OEM weight)
Origin: Jinan, China (Original Sinotruk Factory)
Key Features:
Original OEM Quality: Guaranteed fit and long-term durability.
Precision Engineering: Low noise and high transmission efficiency.
Wear Resistance: Enhanced surface hardness to prevent premature gear failure.
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To ensure the longevity of your Sinotruk howo parts and the safety of your vehicle, please follow these guidelines during installation:
Professional Cleaning: Thoroughly clean the gearbox housing and remove any metal debris before installing the new input shaft assembly.
Bearing Check: Inspect the input shaft bearing (pilot bearing) and replace it if any wear is detected to prevent shaft misalignment.
Lubrication: Apply high-quality gear oil (specifically formulated for Sinotruk heavy trucks) to the gear teeth and splines before final assembly.
Alignment: Ensure the input shaft is perfectly aligned with the clutch disc and flywheel to avoid vibration or damage to the splines.
Torque Specs: Tighten all gearbox housing bolts according to the Sinotruk service manual's torque specifications.
