Genuine Sinotruk HOWO Transmission Range Gear Synchronizer Holder (OEM Part No. WG2210100007) - Precision Shift System Component

This ‌OEM Sinotruk HOWO synchronizer holder (Part No. WG2210100007)‌ is engineered for ‌precision gear engagement‌, featuring ‌20CrMnTi alloy steel construction‌ with ‌carburizing heat treatment‌ (HRC 58-62 surface hardness). The ‌CNC-ground spline teeth‌ maintain ±0.01mm concentricity for vibration-free operation.

✔ ‌300,000+ shift cycle durability‌
✔ ‌Oil-impregnated bronze synchronizer rings‌
✔ ‌Direct replacement‌ for HOWO 7DS180/9JS180 transmissions
✔ ‌Compatible‌ with MT-1 transmission fluids

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Technical Specifications:

Parameter	Specification
Part Number	WG2210100007
Material	20CrMnTi Alloy Steel
Heat Treatment	Carburizing (Depth 1.0-1.5mm)
Spline Tolerance	ISO 6级精度
Weight	3.8 kg
Standards	ISO 4156, GB/T 10095

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Installation Notes:

1. ‌Pre-fit Check‌: Verify spline clearance (0.05-0.10mm) before assembly
2. ‌Alignment‌: Use dial indicator to ensure ≤0.03mm runout
3. ‌Lubrication‌: Apply EP-2 grease to synchronizer cone surfaces
4. ‌Torque Sequence‌: Tighten retaining bolts to 65±3 Nm in star pattern