The Gearbox Shift Fork Block (Part No. AZ2229100022) is a precision-engineered internal component for the shifting mechanism of Sinotruk HOWO heavy-duty trucks. Located on the shift rail within the transmission housing, this block connects the shift linkage to the fork, translating the driver’s lever movement into actual gear engagement.
As a high-wear item in our Sinotruk spare parts range, this block is manufactured to strict OEM hardness standards. It is designed specifically for CNHTC HW series gearboxes (such as HW15710 and HW19710), ensuring that gear selection remains precise and preventing the common issue of “hard shifting” or gear slippage.
Technical Specifications
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Part Name: Shift Fork Block / Shifting Block
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OEM Reference: AZ2229100022
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Category: Sinotruk Spare Parts > Transmission System
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Material: Forged Steel (Heat-treated for high wear resistance)
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Surface Treatment: Polished contact surfaces to reduce friction against the shift rail.
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Application: Fits Sinotruk HOWO 6×4, 8×4 Dump Trucks and Tractor Heads.
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Installation Position: Mounted on the Gearbox Shift Rail Assembly.
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Dimensions: OEM Standard dimensions
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