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SINOTRUK HOWO Axle Shaft 711W35502-0148 FOR MAN MCY13 Rear Axle
FUNCTION
1. Power Transmission: The axle shaft is responsible for transmitting the immense driving torque-output by the final drive reducer-to the drive wheels on both sides. It bears the final rotational force generated by the engine after being amplified by the transmission.
2. Differential Support: Since the inner end of the axle shaft engages with the side gears within the differential, it enables the drive wheels on the left and right sides to rotate at different speeds.
3. Structural Load Bearing: This specific axle shaft utilizes a "Full-floating Axle" design: the shaft is solely responsible for transmitting torque and does not directly bear the vehicle's vertical load. The advantage of this design is that, even if the axle shaft were to fracture, the wheel would not detach; furthermore, the shaft can be removed without the need to jack up the vehicle.
4. Sealing and Positioning: The flange face at the outer end of the axle shaft connects to the wheel hub via bolts and a paper gasket (or sealant). This arrangement serves to seal the lubricant within the wheel end and prevent contaminants from entering the axle housing tube; additionally, by securing the flange, it ensures that the axle shaft does not undergo significant axial displacement within the housing tube during high-speed rotation.
Installation Locations
Inner End (near the vehicle center): The splined end inserts into the main reducer assembly (differential). It engages with the side gear inside the differential via a 31-tooth spline to receive power.
Outer End (near the wheel): The flanged end-featuring a disc-connects to the wheel hub assembly. It is secured to the face of the hub using a ring of high-strength bolts, thereby driving the entire hub and wheel to rotate.
DETAILS
| DESCRIPTION | Axle Shaft | PART NUMBER | 711W35502-0148 |
| WEIGHT |
20 kg |
VOLUME | Length 975 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Failure Modes and Diagnostics
Spline Wear/Twisting: Typically caused by prolonged, severe overloading or frequent shock loads during vehicle launch. If the axle shaft is removed and the splines appear tapered (sharpened) or exhibit helical deformation, this indicates the component is nearing its fatigue limit and must be replaced.
Cracks at the Flange Root: Caused by loose flange bolts, which induce an oscillating load on the axle shaft during rotation. During maintenance, the 10 or 12 axle shaft bolts on the hub face should be inspected regularly to ensure they are not loose.
Fracture Locations:
Fracture at the Spline Root: Most often caused by excessive torque.
Fracture at the Flange Root: Most often caused by an uneven mounting surface or uneven tightening torque applied to the bolts.
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