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Dongfeng Front Wheel Drive Axle ( 304.31.022-1 Assembly )
Dongfeng Front Wheel Drive Axle ( 304.31.022-1 Assembly )
2025-08-17
Dongfeng Transmission Shaft
Dongfeng Transmission Shaft
2025-08-17

Dongfeng Front Wheel Drive Axle ( 304.31.014A Assembly )

Dongfeng Front Wheel Drive Axle ( 304.31.014A Assembly )
Dongfeng Front Wheel Drive Axle ( 304.31.014A Assembly )
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What is the Dongfeng Front Wheel Drive Axle ( 304.31.014A Assembly )

  • Dongfeng 304.31.014A Differential Assembly: Precision Torque Distribution for Heavy-Duty 4WD Performance
    Engineered as the core power-splitting unit in Dongfeng front axles, this OEM assembly (Part 304.31.014A) ensures balanced torque delivery to both wheels during high-stress operations. Its robust design withstands extreme shock loads while maintaining optimal gear alignment for agricultural, construction, and off-road applications.
  • Differential Gear System & Power Transfer
  • Crown Gear & Pinion Drive: The hardened Crown Gear forms the primary interface with the axle’s input pinion, converting rotational force into torque distribution.
  • Planetary Torque Splitting: Four Planet Gears rotate on the cross-shaped Planet Gear Shaft, evenly dividing power between wheels. Each gear features wear-resistant Planet Gear Washers to minimize friction and axial play.
  • Half Shaft Engagement: Half Shaft Gears mesh with the planet gears, transferring torque to the drive wheels through Half Shaft Gear Washers that optimize load distribution.
  • Robust Housing & Bearing Structure
  • Bilateral Housing Design: Precision-machined Left Differential Housing and Right Differential Housing enclose the gear train, providing structural rigidity and oil containment.
  • Premium Bearing Support: Features dual Taper Roller Bearings 200710 to handle combined radial/thrust loads during sharp turns and uneven terrain.
  • Secure Shaft Retention: A specialized Lock Washer for Crown Gear prevents crown gear loosening under reversing loads.
  • Precision Assembly & Vibration Control
  • Alignment-Critical Pins: Straight Pins (A8×20, A8×35) ensure zero-movement fitment of gears and housings, preventing misalignment under torque fluctuations.
  • Vibration-Resistant Fastening: Hex Head Bolts M8×50 provide uniform clamping force across housing interfaces.
  • Engineered for Extreme Service Life
    More than a parts collection, this assembly integrates 14 precision components into a unified torque-management system. The synergy between its case-hardened gears (Crown Gear, Planet Gears, Half Shaft Gears), tapered roller bearings, and bilaterally sealed housings delivers three critical advantages:
  • Balanced Traction: Prevents wheel slip during plowing or climbing
  • Impact Resistance: Withstands shock loads from rocks and ruts
  • Extended Durability: Optimized gear meshing reduces pitting and heat buildup
  • Compatible with DF-304/404/504 series tractors, this OEM assembly meets exact factory specifications for backlash tolerance (±0.05mm) and load capacity (8,500 N·m).

Parameters of Dongfeng Front Wheel Drive Axle ( 304.31.014A Assembly )

No. Part No. Name Quantity
1 GB297-84 Taper roller bearing 200710 2
2 GB5782-86 Hex. head bolt M8×50 4
3 304.31.206 Lock washer for crown gear 2
4 304.31.207 Crown gear 1
5 304.31.210A Half shaft gear washer 2
6 304.31.211A Half shaft gear 2
7 GB119-86 Straight pin A8×20 2
8 304.31.235 Left differential housing 1
9 304.31.208A Planet gear shaft 2
10 304.31.205A Planet gear 4
11 304.31.209A Planet gear washer 4
12 GB119-86 Straight pin A8×35 2
13 304.31.236 Right differential housing 1
 

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