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FAW Rear Axle Assembly-Main Reduction
FAW Rear Axle Assembly-Main Reduction
2025-08-01
FAW Rear Axle Assembly-Wheel Reduction Gear Assy
FAW Rear Axle Assembly-Wheel Reduction Gear Assy
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FAW Rear Axle Assembly-Differential House Assy

FAW Rear Axle Assembly-Differential House Assy
FAW Rear Axle Assembly-Differential House Assy
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What is the FAW Rear Axle Assembly-Differential House Assy

  • FAW Rear Axle Assembly-Differential House Assy: The Torque Distributor
  • The FAW Rear Axle Assembly-Differential House Assy is the intelligent core mechanism within the axle, responsible for receiving torque from the main reduction ring gear and seamlessly distributing power to the left and right driving wheels. This robust assembly enables controlled wheel speed differentiation during cornering while maintaining traction, essential for the stability and maneuverability of FAW heavy-duty trucks and commercial vehicles.
  • The Foundation & Enclosure
  • LC300 Differential House Assy: This heavy-duty, precision-machined carrier forms the central housing and structural backbone. It securely encloses the differential gears, bearings, and cross shaft, provides mounting points for the Differential Bearings, and interfaces directly with the main reduction ring gear. Its rigidity ensures precise gear alignment under high torque loads.
  • Power Input & Bearing Support
  • Differential Bearing (x2): High-capacity tapered roller bearings pressed onto the ends of the differential housing. These bearings are mounted within the axle carrier’s adjusting sleeves (referenced in previous assemblies like Adjusting Rings), supporting the entire rotating LC300 Differential House Assy and allowing it to turn smoothly under load.
  • Bolt: Represents the critical high-tensile bolts used to secure the bearing caps that hold the Differential Bearings firmly in place within the axle carrier.
  • The Differential Mechanism – Power Distribution
  • Half Shaft Gear (x2): Also known as side gears, these are splined internally to mesh with the axle shafts (Half Shafts). They are the final output gears, directly transmitting torque to the wheels.
  • Cross Shaft: A cruciform pin mounted securely within the LC300 Differential House Assy. It provides the rotating axis for the Planetary Gear Assembly.
  • Planetary Gear Assembly (typically x4 gears): Small bevel gears (planetary gears/satellite gears) mounted on the Cross Shaft. They mesh with both Half Shaft Gears. When driving straight, they rotate with the housing but don’t spin on their axis. During turns, they spin on the Cross Shaft, allowing the Half Shaft Gears (and thus the wheels) to rotate at different speeds.
  • Planet Gear Washer (x4): Thrust washers positioned between the ends of each Planetary Gear and the inner walls of the LC300 Differential House Assy. These critical components reduce friction, absorb axial thrust loads generated by the bevel gears, and prevent metal-to-metal contact, ensuring smooth operation and longevity.
  • Planetary Gear Bushing (x4): Sleeve bushings fitted inside the bore of each Planetary Gear, allowing them to rotate smoothly with minimal friction on the Cross Shaft. They are essential for durability under constant load cycles.
  • Precision Spacing & Load Management
  • Half Shaft Gear Washer (x2): Thrust washers placed between the back of each Half Shaft Gear and the inner wall of the LC300 Differential House Assy. They manage axial thrust loads, minimize friction, and maintain the correct gear mesh position between the side gears and the planetary gears.
  • Spacer Ring: Precision shims potentially used behind the Differential Bearings or between gear components within the housing. They ensure precise axial positioning of the gears and bearings, critical for optimal tooth contact, load distribution, and preventing excessive gear backlash or preload.
  • This meticulously engineered FAW Rear Axle Assembly-Differential House Assy, integrating components from the robust LC300 Differential House Assy to the friction-reducing Planetary Gear Bushings and Planet Gear Washers, is fundamental to reliable power delivery and vehicle handling. Its design ensures smooth torque distribution, accommodates wheel speed differences, and withstands the demanding stresses encountered in FAW’s heavy-duty applications.

Product Parameters of FAW Rear Axle Assembly-Differential House Assy

Order Part NO. Part Name And Standards Oty
2400010-D0097B Rear Axle Assembly 1
1 W2403020F01D LC300 Differential House Assy 1
2 33115 Differential Bearing 2
3 W2403024F01C Bolt 16
4 W2403052F01C Half Shaft Gear Washer 2
5 W2403051F01C Half Shaft Gear 2
6 W2403056F01C Cross Shaft 1
7 W2403055F01C Spacer Ring 4
8 W2403050F01C Planetary  Gear Assembly 4
W2403054F01C Planet Gear Washer 4
9 W2403057F01A Planetary  Gear Bushing 4

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