Product Introduction

The 3463540517 Sun Gear is one of the core transmission components in the planetary gear reduction system used on Mercedes-Benz Actros, Axor, and MAN heavy-duty trucks. Positioned at the center of the planetary gear assembly, it transfers engine torque to the surrounding planetary gears, allowing efficient torque multiplication and stable power delivery to the drive wheels.

Working together with planetary gears, ring gears, carriers, and axle shafts, the sun gear plays a vital role in ensuring smooth gear meshing, balanced load distribution, and reliable drivetrain performance. Accurate gear geometry is essential for minimizing transmission noise, reducing friction, and extending the service life of the complete axle assembly.

During continuous heavy-load operation, the sun gear is subjected to extremely high torque, cyclic loading, and constant gear contact. Poor lubrication or prolonged service may result in gear tooth wear, pitting, scoring, or fatigue damage, affecting drivetrain efficiency and axle reliability.

The 3463540517 sun gear is manufactured from premium alloy steel through precision forging, CNC gear machining, carburizing, quenching, and precision grinding processes. The optimized tooth profile and hardened surface ensure superior contact strength, excellent wear resistance, and long-term durability.

Designed according to OEM specifications, this sun gear offers direct replacement compatibility for Mercedes-Benz Actros MP1 / MP2, Axor, and MAN TGA / TGM axle systems. It is widely used for planetary reduction overhaul, differential rebuilding, commercial fleet maintenance, and aftermarket drivetrain repair.

Each gear undergoes comprehensive OEM-quality inspections including gear profile testing, hardness verification, dimensional measurement, material analysis, and gear meshing inspection to ensure dependable performance and long service life.

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