Genuine Sinotruk Spare Parts HOWO T7H Sitrak Rear Axle Differential Housing with Lock (AZ7117327056)

The Sinotruk Rear Axle Differential Housing (AZ7117327056) is a critical drivetrain component for HOWO T7H and Sitrak series heavy-duty trucks. Manufactured from QT450-10 cast iron with precision machining, it houses the differential mechanism and features integrated locking functionality.

Key Specifications:

• OEM Number: AZ7117327056 (With Differential Lock)
• Material: QT450-10 cast iron (GB/T1348-88 standard)
• Weight: 32.5kg ±2%
• Surface Treatment: Anti-corrosion coating (120μm epoxy)
• Compatibility: HOWO T7H, Sitrak C7H/C9H models
• Certification: ISO 9001, GB/T 19001

Performance Features:

• Designed for 30000N.m rated output torque
• Machined surface roughness Ra≤3.2μm
• 200,000km design service life under normal conditions