OEM Sinotruk 712W35111-0443 Internal Gear Ring for SITRAK MCP23 Axle Systems

OEM Sinotruk 712W35111-0443 Internal Gear Ring for SITRAK MCP23 Axle Systems‌
Precision-machined gear ring specifically designed for Sinotruk SITRAK C7H/T7H series trucks with MCP23 drive axles. Manufactured from 20CrMnTi alloy steel with case hardening (HRC 58-62), ensuring 300,000+ km service life under heavy-load conditions. Features helical tooth design for reduced noise and improved torque transmission efficiency (98.7% tested). Direct replacement part matching original Sinotruk axle assemblies

‌Technical Highlights‌

• ‌Compatibility:‌ MCP23 axles (16T rated capacity) on 6×4/8×4 chassis
• ‌Material:‌ 20CrMnTi alloy with carbonitriding treatment
• ‌Tooth Profile:‌ 25° helix angle, 12-module precision grinding
• ‌Installation:‌ Pre-lubricated with Sinotruk special gear oil (included)