Sinotruk HOWO Truck Gearbox Reverse Shift Fork Block AZ2214220012 – Genuine Spare Part

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• • ‌Core Functionality‌

    • Engages reverse gear in 12-speed manual transmissions using planetary gear design
    • Critical component for gear disengagement/engagement in double intermediate shaft systems

  • ‌Compatibility‌

    • Transmission models: ‌HW19712‌, ‌HW25712XSC‌, ‌HW25712XSCJ‌ series
    • Vehicle applications: Sinotruk HOWO A7/T5G/T7H trucks

  • ‌Performance Parameters‌

    • Maximum input torque: ‌≥2,100 N·m‌ (compatible transmission capacity)
    • Operating temperature range: ‌-40°C to +150°C‌ (industrial alloy steel standard)
    • Shift cycles: Rated for ‌400,000+ operations‌ under standard loads

  • ‌Transmission Interface Specifications‌

    Parameter	Value
    Reverse gear ratio	2.384 (HW25712XSCJ model)
    Secondary ratio	10.294 (HW25712XSCJ model)
    Oil capacity	15L (transmission system)

  • ‌Construction Details‌

    • Material: ‌High-strength alloy steel‌ (forged)
    • Surface treatment: Carburizing hardening (>60 HRC)
    • Weight: ‌428g‌