Genuine SINOTRUK VG1246050006 Rocker Arm Shaft Assembly - High-Strength Valve Train Component for HOWO WD615 Engines

Original SINOTRUK VG1246050006 rocker shaft assembly: Forged alloy steel, precision-ground. Direct fit for WD615/ZZ1257 engines.

Technical Specifications

• ‌Material‌: 20CrMnTi alloy steel (case-hardened)
• ‌Shaft Diameter‌: 22mm ±0.01mm | ‌Length‌: 328mm
• ‌Hardness‌: 58-62 HRC surface / 30-35 HRC core
• ‌Surface Finish‌: 0.4μm Ra precision grinding
• ‌Load Capacity‌: 12,000N cyclic fatigue resistance
• ‌Compatibility‌:
  • HOWO A7/T7 series (2018+)
  • Steyr WD615.96/ZZ1257 engines

Performance Features

• ⚙️ Reduced friction design with oil grooves