Genuine Sinotruk Engine Crankshaft (Part #AZ1246020013) for HOWOSteyr Series Heavy-Duty Trucks

This OEM Sinotruk crankshaft (AZ1246020013) is precision-engineered for heavy-duty engines in Sinotruk HOWO, Steyr, and HOHAN series trucks. Forged from high-strength alloy steel, it ensures optimal durability, balance, and performance under extreme loads, complying with Sinotruk’s strict OEM specifications.

‌Product Introduction & Technical Specifications:‌

• ‌Part Number:‌ AZ1246020013
• ‌Application:‌ Sinotruk HOWO/Steyr/HOHAN series engines (WD615, D12, etc.)
• ‌Material:‌ Forged 42CrMo alloy steel, heat-treated for fatigue resistance
• ‌Surface Treatment:‌ High-frequency quenching (hardness: HRC 55-60)
• ‌Main Journal Diameter:‌ 85mm (±0.02mm tolerance)
• ‌Certification:‌ ISO 9001, Sinotruk OEM standards
• ‌Weight:‌ 48.5kg
• ‌Dimensions:‌ 850mm (length) × 320mm (width)

‌Installation Tip:‌
Ensure proper alignment using a dial indicator (max. tolerance: 0.05mm) and torque main bearing bolts to 220-250 Nm in a cross-sequence pattern. Always replace connecting rod bolts and lubricate journals with Sinotruk-recommended oil.