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Dongfeng Front Wheel Drive Axle ( Middle )
Dongfeng Front Wheel Drive Axle ( Middle )
2025-08-17
Dongfeng Front Wheel Drive Axle ( Right side-Slowdown )
Dongfeng Front Wheel Drive Axle ( Right side-Slowdown )
2025-08-17

Dongfeng Front Wheel Drive Axle ( Left Side-Slowdown )

Dongfeng Front Wheel Drive Axle ( Left Side-Slowdown )
Dongfeng Front Wheel Drive Axle ( Left Side-Slowdown )
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What is the Dongfeng Front Wheel Drive Axle ( Left Side-Slowdown )

  • Dongfeng Front Wheel Drive Axle (Left Side-Slowdown): Precision Torque Management for Demanding 4WD Applications
    Engineered for enhanced traction control in heavy-duty tractors, this specialized left-side axle integrates a geared slowdown mechanism for optimal power distribution on slopes, heavy pulls, and unstable terrain. Its robust construction ensures reliable torque transfer while reducing wheel spin and improving maneuverability.
  • Core Final Drive & Gear Reduction System
  • High-Torque Gear Assembly: Features the Driven Bevel Gear of Final Drive meshed with the Driving Bevel Gear of Final Drive, delivering controlled speed reduction within the Left Final Drive Housing.
  • Precision Gear Alignment: Utilizes Adjusting Shims for Final Drive to optimize gear contact patterns and backlash.
  • Heavy-Duty Bearing Support: Combines Ball Bearing 209, Ball Bearing 207, and Thrust Ball Bearing 8106 to handle radial/axial loads during high-stress slowdown operations.
  • Primary Reduction & Upright Shaft Assembly
  • First-Stage Gear Reduction: The Driving Bevel Gear of the First Drive transfers power to the Driven Bevel Gear of the First Drive via the Upright Shaft.
  • Calibrated Bearing Preload: Adjusting Shims for the First Drive and Ball Bearings (305, 111, 208) ensure smooth rotation under load.
  • Secure Shaft Retention: Blocking Ring of Upright Shaft and Lock Washer prevent axial movement, while Straight Pins (A10×28, A10×20) maintain component alignment.
  • Drive Shaft & Power Transfer
  • Robust Torque Transmission: The Drive Shaft connects to the final drive via a Drive Shaft Sleeve, secured by a Fixing Ring and supported by Final Drive Housing Bushing.
  • Critical Sealing: Dual Oil-Seals (W50×72×7, PD50×72×12) prevent lubricant leaks at rotating interfaces.
  • Protected Housing: Drive Shaft Cover with Gasket shields internal components from contaminants.
  • Steering Linkage & Control
  • Responsive Steering Integration:
  • Left Steering Arm and Left Steering Trapezoid Arm connect via Steering Arm Bushing.
  • Linkage Ball Joints (Left/Right) enable articulation through the Steering Tie Rod, secured by Hex. Thin Nuts (M16×1.5-Left, M16×1.5) and Hex. Thin Slotted Nut M12 with Split Pin 3.2×22.
  • Precise Movement: Spacer elements ensure correct joint clearances.
  • Sealed Lubrication & Maintenance
  • Contaminant Exclusion: Multi-point sealing with O-Rings (56×2.65, 34.5×2.65, 85×2.65) and Felt Washer.
  • Serviceable Design: Features Grease Cup M10×1 for bearing lubrication and Oil Drain Plug with Combined Seal Washer for fluid changes.
  • Protected Housings: Upper/Lower Bearing Covers with gaskets enclose critical components.
  • Secure Assembly & Vibration Resistance
  • High-Strength Fastening: Utilizes Hex. Head Bolts (M18×1.5×35, M12×35, M10×30, M10×25) with Spring Lock Washers (18, 12, 10) and Hex. Nut M18×1.5.
  • Structural Reinforcement: Double Screw Bolt enhances critical joint integrity.
  • Engineered for Extreme-Duty Performance
    The Dongfeng Left-Side Slowdown Axle integrates 48 precision components—from the Half Shaft torque output to the smallest Split Pin 3.2×22—into a unified power management system. The synergy between its dual-stage gear reduction (First Drive & Final Drive Bevel Gears), triple-bearing supported Upright Shaft, and sealed Final Drive Housing delivers unmatched speed control during high-draft operations. Exceeding OEM specifications, it minimizes wheel slip, reduces driveline stress, and extends service life in muddy fields, orchards, and steep terrain.

Parameters of Dongfeng Front Wheel Drive Axle ( Left Side-Slowdown )

No. Part No. Name Quantity
1 GB6176-86 Hex. nut  M18×1.5 2
2 GB93-87 Spring lock washer 18 6
3 304.31.179 Double screw bolt 2
4 GB5786-86  hex. head bolt M18×1.5×35 4
5 304.31.101-2 Drive shaft 1
6 HG4-692-67 Oil-seal W50×72×7 2
7 HG4-692-67  Oil-seal PD50×72×12 2
8 GB5783-86  Hex. head bolt M10×30 20
9 GB93-87 Spring lock washer 10 26
10 304.31.104-3 Drive shaft cover 1
11 GB276-89 Ball bearing 209 1
12 304.31.102-2 Fixing ring of drive shaft 2
13 304.31.103-2 Drive shaft sleeve 1
14 304.31.132-2 Driven bevel gear of final drive 1
15 GB276-89 Ball bearing 207 1
16 304.31.105-1 Gasket for drive shaft cover 1
17 304.31.228-4 Left final drive housing 1
18 GB119-86 Straight pin A10×28 2
19 304.30.130 Felt washer 1
20 304.31.217-1 Final drive housing bushing 1
21 GB301-84 Thrust ball bearing 8106 1
22 304.31.131-2 Driving bevel gear of final drive 1
23 304.31.140 Spacer 1
24 304.31.107-3  Upright shaft 1
25 GB276-89  Ball bearing 305 1
26 304.31.139 Adjusting shims for final drive one set
27 GB3452.1-82 O-ring seal 56×2.65 1
28 304.31.137-2 Lower bearing cover 1
29 12.37.149 Combined seal washer 1
30 200.38.024 Oil drain plug 1
31 GB1152-89  Grease cup M10×1 1
32 304.31.201-3 Left steering arm 1
33 304.31.202-1 Steering arm bushing 1
34 GB5783-86 Hex. head bolt M12×35 4
35 GB93-87 Spring lock washer 12 4
36 GB5783-86 Hex. head bolt M10×25 7
37 GB3452.1-82 O-ring seal 34.5×2.65 1
38 304.31.111-3 Upper bearing cover 1
39 GB3452.1-82  O-ring seal 85×2.65 1
40 304.31.133 Adjusting shims for the first driv one set
41 GB276-89 Ball bearing 111 1
42 304.31.138 Lock washer 1
43 304.31.110-1 Blocking ring of upright shaft 1
44 304.31.112-2 Adjusting shims one set
45 304.31.113-1 Driven bevel gear of the first driv 1
46 304.31.108-3 Upright shaft housing 1
47 GB119-86 Straight pin A10×20 1
48 304.31.129-1 Driving bevel gear of the first dri 1
49 GB276-89 Ball bearing 208 1
50 304.31.114-2 Half shaft 1
51 304.31.120-2 Left steering trapezoid arm 1
52 300.31.026 Linkage ball joint (Left) 1
53 GB6173-86 Hex.thin nut M16×1.5-Left 1
54 304.31.232 Steering tie rod 1
55 GB6173-86 Hex.thin nut M16×1.5 1
56 300.31.027 Linkage ball joint (Right) 1
57 GB6181-86 Hex. thin slotted nut  M12 2
58 GB91-86  Split pin 3.2×22 2

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