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Genuine SINOTRUK HOWO Transmission 1st-2nd Gear Shift Block WG2214220052 – OEM Heavy Truck Spare Part

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Sinotruk Chassis Parts

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Genuine SINOTRUK HOWO Transmission 1st-2nd Gear Shift Block WG2214220052 – OEM Heavy Truck Spare Part

The WG2214220052 shift block ensures precise gear engagement in 1st and 2nd gears for HW19710/HW19712 transmissions. Key specifications:

  • ‌Material‌: Forged 40Cr alloy steel with QPQ surface treatment
  • ‌Hardness‌: HRC 38-42 core hardness, HRC 45-50 surface
  • ‌Dimensional Accuracy‌: ±0.05mm tolerance on critical surfaces
  • ‌Compatibility‌: Fits HOWO T7H/TX series trucks (2020-2025)
  • ‌Certification‌: ISO 9001 with full material traceability

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5. WE WILL BE ON SERVICE 24/24 HOURS ON THE WORKING DAY.
6. ASS: WE WILL OFFER YOU THE BEST AFTER SALES SERVICE.

Parameter Specification Compliance Standard
‌Part Number‌ WG2214220052 (laser-etched) SINOTRUK OEM Coding
‌Material Composition‌ Forged 40Cr alloy steel with Mn-Cr reinforcement AISI 5140 equivalent
‌Surface Treatment‌ QPQ salt bath nitriding (0.15-0.25mm depth) ISO 4527
‌Hardness‌ Core: HRC 36-40 / Surface: HRC 45-50 ASTM E18
‌Load Capacity‌ 3,800N dynamic load @ 2,200 RPM SAE J180
‌Dimensional Tolerance‌ ±0.04mm on critical mating surfaces ISO 2768-mK
‌Weight‌ 1.42kg ±2% DIN 9310
‌Operating Temp‌ -35°C to +150°C continuous operation MIL-STD-810
‌Compatibility‌ HW19710/HW19712 transmissions (T7H/TX series 2020-2025) OEM fitment guide
‌Service Life‌ 800,000+ shift cycles (80% load) ISO 281
‌Certification‌ ISO 9001:2025, EN 10204 3.1B with full material traceability

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