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| Rear air spring assembly (H4502B01015A0) Parts Information Sheet | |
| Item | Details |
| Part Name | Cab Air Shock Absorber Assembly / Cab Rear Air Spring |
| Part Model | H4502B01015A0 |
| Structure Type | Sleeve-type air spring (with built-in hydraulic damper) |
| Airbag Material | High-strength natural rubber/chloroprene rubber (CR), reinforced with multiple layers of cord fabric |
| Cylinder Material | High-quality seamless steel pipe (black electrophoretic treatment or epoxy spraying) |
| Piston Rod Material | 45# steel, surface induction hardened and hard chrome plated (increasing wear resistance and rust prevention) |
| Working Medium | Compressed air + hydraulic oil (L-HV low-temperature anti-wear hydraulic oil) |
| Working Pressure Range | 0.2 MPa - 1.2 MPa |
| Rated Load Capacity | Approximately 2,000 kg (2.0 tons) |
| Fatigue Life | ≥ 2 million cycles (standard operating conditions) |
| Temperature Range | -40°C to +80°C (meets severe cold and tropical climate standards) |
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Performance Characteristics
1. High and Low Temperature Resistance: Operating temperature range is typically -40°C to +80°C.
2. Corrosion Resistance: Surface treated with electrophoretic paint or epoxy coating, providing strong resistance to salt spray corrosion.
3. Long Lifespan: Underwent millions of fatigue tests, ensuring high airtightness and minimal leakage.
4. High Damping Ratio: Optimized for road conditions in China and Southeast Asia, effectively suppressing residual vibrations.
