The AZ9970320260 Rear Axle Center Housing (often referred to as the Middle Section or Differential Carrier Housing) is the structural core of the Sinotruk HOWO heavy-duty drive axle. Engineered specifically for the HC16 and AC16 axle series, this housing protects the differential assembly and ring-and-pinion gears while supporting the immense torque required for mining and long-haul operations. Technical Specifications Specification Details Part …