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| Hydraulic shock absorber parameter table | |
| Parameter Item | Value |
| Type | Two-way acting cylindrical hydraulic shock absorber |
| Model | WG9725680014 |
| Installation Location | Sinotruk HOWO series front axle (suitable for both left and right sides) |
| Working Medium | Special shock absorber oil (applicable to -40℃~+80℃) |
| Damping Coefficient | 1800~2200 N・s/m (original factory calibration) |
| Rated Working Pressure | ≤10MPa |
| Material | Cylinder (seamless steel pipe), piston rod (chrome-plated carbon steel), oil seal (oil-resistant nitrile rubber), dust cover (cold-rolled steel plate) |
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Performance Characteristics
1. Dual-acting: Provides damping force during both compression and extension strokes, effectively suppressing vehicle body roll and vibration;
2. Hydraulic damping: Employs a high-precision valve system, with damping force varying with piston speed to adapt to different road conditions;
3. Chrome-plated piston rod: Wear-resistant and rust-proof, with a surface roughness Ra≤0.2μm, extending oil seal life;
4. Dual-sealing structure: Main oil seal + dust lip, preventing mud/sand/water intrusion, suitable for harsh operating conditions in commercial vehicles;
5. Shock absorber oil: Low pour point, high viscosity index, does not solidify at low temperatures, does not thin at high temperatures, suitable for all seasons;
6. Original factory calibration: Matched to Sinotruk front axle leaf springs/suspension system, ensuring a balance between driving stability and comfort.
