Genuine SINOTRUK HOWO Transmission 5th6th Overdrive Shift Fork WG2214220085 – OEM Heavy Truck Spare Part

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5. WE WILL BE ON SERVICE 24/24 HOURS ON THE WORKING DAY.
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1. ‌Material Science‌:

• Forged 40Cr alloy steel (comparable to AISI 5140)
• QPQ salt bath nitriding surface treatment (0.2mm case depth)
• Rockwell hardness: HRC 38-42 (core), HRC 45-50 (surface)

2. ‌Precision Engineering‌:

• Fork width tolerance: ±0.03mm (ISO 2768-mK standard)
• Pin hole diameter: 16H7 (+0.018/0mm) with Ra 0.4μm finish
• Center distance accuracy: 85±0.05mm between mounting holes

3. ‌Performance Metrics‌:

• Dynamic load capacity: 4,500N @ 2,500rpm (SAE J180 tested)
• Fatigue life: 1 million cycles @ 80% rated load
• Operating temperature range: -40°C to +160°C

4. ‌Compatibility Details‌:

• Fits HW19712L transmissions in HOWO TX/T7H series (2020-2025)
• Interchangeable with legacy part numbers: WG2214220085A, AZ2214220085
• Approved for Euro 6 emission standard vehicles

5. ‌Quality Verification‌:

• 100% CMM inspection (Zeiss CONTURA G2)
• Material certification: EN 10204 3.1 with full traceability
• Warranty coverage: 18 months/150,000km