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| Rear Suspension Spring Shock Absorber Assembly Information Table | |
| Item | Details |
| Name | Rear Suspension Spring and Shock Absorber Assembly |
| Part Number | 5001320-A09 |
| Installation Location | Rear of the cab |
| Material | High-strength steel shell and high-quality hydraulic oil |
| Structure Type | Twin-tube hydraulic structure. This structure provides more stable damping and stronger resistance to impacts by allowing the hydraulic fluid to flow between the working cylinder and the reservoir. |
| Spring Material | 60Si2Mn high-manganese spring steel (coil spring part), possessing extremely high elastic limit and fatigue strength, capable of supporting frequent reciprocating compression. |
| Connection Method | Eyelet-to-Eyelet type. Both ends are equipped with vulcanized rubber bushings for bolting to the chassis and cab support, providing some self-lubrication and sound insulation. |
| Working stroke | The effective stretching and compression stroke is approximately 80mm - 100mm, designed specifically for the small vertical fluctuations of truck cabs. |
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Performance Characteristics
1. High-efficiency shock absorption: Specially tuned for Chinese road conditions, it effectively filters road bumps and reduces driver fatigue.
2. Height adjustment: Versions with airbags (such as derivatives of the A09) allow for fine-tuning of the cab height.
3. Durability: Utilizes reinforced sealing rings to prevent hydraulic oil leakage, adapting to high-intensity long-distance transportation environments.
