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FAW Rear Axle Assembly-Differential House Assy
FAW Rear Axle Assembly-Differential House Assy
2025-08-01
FAW Rear Axle Assembly-Wheel Hub Assy
FAW Rear Axle Assembly-Wheel Hub Assy
2025-08-01

FAW Rear Axle Assembly-Wheel Reduction Gear Assy

FAW Rear Axle Assembly-Wheel Reduction Gear Assy
FAW Rear Axle Assembly-Wheel Reduction Gear Assy
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What is the FAW Rear Axle Assembly-Wheel Reduction Gear Assy

  • Rear Axle Assembly: The core structure housing the entire wheel drive mechanism. It integrates the differential, axle shafts, and crucially, the Wheel Reduction Gear Assy. FAW’s rear axle assembly is engineered for exceptional strength and durability, handling significant loads and harsh operating conditions.
  • Wheel Reduction Housing: This precision-machined, high-strength casing forms the protective outer shell specifically for the planetary reduction gears. It securely contains the gearset, maintains lubrication, and provides mounting points within the larger axle assembly. Its integrity is vital for the longevity of the reduction unit.
  • Planet Bracket: A critical internal mounting structure within the reduction housing. It provides the fixed axis points for the planetary gears (pinion gears), ensuring their precise positioning and stable rotation around the sun gear. Its rigidity is essential for maintaining correct gear meshing and load distribution.
  • Planetary Gear Shaft: The hardened steel shaft upon which an individual Planetary Gear (also called a pinion gear) rotates. These shafts are securely mounted in the Planet Bracket. The planetary gears mesh simultaneously with both the Sun Gear and the internal teeth of the Wheel Reduction Housing (acting as the ring gear).
  • Planetary Gear: These are the multiple small pinion gears rotating on the Planetary Gear Shafts within the Planet Bracket. Their primary function is to transfer torque from the Sun Gear to the Wheel Reduction Housing (ring gear), achieving the crucial speed reduction and torque multiplication effect.
  • Planetary Gear Washer: Thin, precisely manufactured shims or spacers installed adjacent to the Planetary Gears on their shafts. These washers are critical for setting and maintaining the exact axial clearance (endplay) of the planetary gears within the assembly, ensuring smooth operation and preventing premature wear or binding.
  • Sun Wheel Gasket: A specialized seal (often a flat gasket or O-ring) positioned where the Sun Gear interfaces with its mating surface, typically the axle shaft flange or the differential side gear. This gasket prevents lubricant leakage from the reduction housing and protects against contamination ingress at this critical rotating joint.
  • Needle Assy (Bearing): This assembly typically refers to a compact, high-capacity needle roller bearing. Within the Wheel Reduction Gear Assy, needle bearings are often used to support rotating components like the Sun Gear shaft ends or potentially planetary gear shafts. Their design minimizes rotational friction while handling substantial radial loads in a confined space.
  • Locking Bolt: A high-tensile bolt, frequently secured with thread-locking compound or a mechanical locking feature (like a deformed thread patch). Locking bolts are used strategically throughout the assembly, such as securing the planet bracket to the housing or fastening critical flanges. Their primary role is to prevent unintended loosening due to vibration, ensuring the structural integrity and safety of the entire reduction unit under dynamic loads.
  • This integrated system of components within the FAW Wheel Reduction Gear Assy exemplifies robust engineering, designed to deliver reliable, high-torque performance essential for FAW’s demanding heavy-duty trucks and buses. Each part plays a distinct role in achieving efficient power transfer and durability.

Product Parameters of FAW Rear Axle Assembly-Wheel Reduction Gear Assy

Order Part NO. Part Name And Standards Oty
2400010-D0097B Rear Axle Assembly 1
1 W2405020F02C Needle Assy 5
2 W2405016F01C Locking Bolt 5
3 W2405011F02D Wheel  Reduction housing 1
4、7 W2405024F01C Planetary  Gear Washer 10
5 W2405025F02C Planetary  Gear Shaft 5
6 W2405022F02C Planetary Gear 5
8 W2405023F01C Sun Wheel Gasket 1
9 W2405012F02C Planet Bracket 1
 

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