1. Core Part Details

2. Function & Design Features

• Core Function: The rigid mounting base for drum brake systems, which secures critical brake components including brake shoes, wheel cylinders, and S-camshafts. It is a load-bearing safety part for the truck's service brake system.
• Key Construction:
  • High-strength cast iron material, with excellent deformation and impact resistance for heavy-load operation on rough roads.
  • Precision-machined 8-bolt flange mounting holes for perfect alignment with the axle housing.
  • Integrated oil seal seat on the left side, to prevent lubricant leakage into the brake drum.
• Aftermarket & Export Suitability: This is a universal high-wear maintenance part for SINOTRUK MAN-axle trucks, with extremely high market stock in South America, Africa, and Guyana. It is a regular replacement item for dump trucks and tractors.

3. Additional Application Notes

• Interchangeable Part Numbers: 712W50202-0127 (universal for domestic and international procurement).
• Common Replacement Scenarios: Required for maintenance when replacing worn brake shoes, repairing leaking hub oil seals, or resolving stuck brake camshafts.
• Right-Hand Drive Compatibility: Fully compatible with right-hand drive SINOTRUK trucks, including 6×4 / 8×4 dump trucks, sprinkler trucks, and tractor units.