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| Cab Shock Absorber Assembly Information Table | |
| Category | Details |
| Part Name | Cab Shock Absorber Assembly (with Airbag/Spring) |
| Main Materials | High-strength steel (spring/housing), high-quality rubber (airbag/bushing) |
| Structural Parameters (Physical Dimensions) - Overall Extension Length | Approx. 280mm - 300mm (front overhang) / 420mm - 450mm (rear overhang) |
| Structural Parameters (Physical Dimensions) - Minimum Compression Length | Typically 100mm-150mm shorter than the extension length to ensure the piston does not bottom out under extreme conditions |
| Structural Parameters (Physical Dimensions) - End Connection Type | Typically ring-eye type with a vulcanized rubber bushing for bolt installation |
| Structural Parameters (Physical Dimensions) - Bushing bore diameter | Typically 12mm or 14mm |
| Working Medium | High-quality shock absorber oil (hydraulic type) or nitrogen + oil (air-assisted type) |
| Spring/Airbag Parameters - 5001082-C5800 (Front Suspension) | Typically integrates a coil steel spring, with a spring wire diameter of approximately 10-12mm |
| Spring/Airbag Parameters - 5001150-C5800 (Rear Suspension) | High-end versions integrate a rubber airbag, with working air pressure typically between 0.2 and 0.8 MPa. The airbag interface is mostly an M12 or M16 quick connector |
| Shell Thickness | Typically uses seamless steel tubing of 2.0mm or more, with a surface treated with electrophoretic paint for rust prevention |
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Performance Characteristics
1. Shock Absorption: Utilizes two-way hydraulic shock absorption technology, effectively absorbing high-frequency vibrations from the road surface and significantly reducing driver fatigue.
2. Durability: Optimized for the high-frequency vibration environment of heavy-duty trucks, the airbags/springs possess high fatigue resistance, with a designed service life typically covering 100,000-200,000 kilometers or longer (depending on road conditions).
3. Stability: Improves cab stability during cornering or emergency braking, preventing excessive cab swaying.
Usage and Maintenance Precautions:
1. Replace in pairs: To ensure the cab's left-right balance, it is recommended to replace both shock absorbers on the same axle (front or rear suspension) simultaneously.
2. Airbag check: If equipped with airbags, regularly check the air lines for leaks to prevent airbag dry friction and structural damage.
3. Installation torque: Bolts must be tightened according to the torque standards given in the Dongfeng official maintenance manual to prevent loosening or thread damage.
4. Oil leak observation: If obvious oil stains are found on the surface of the shock absorber cylinder, it indicates that the seal has failed and must be replaced promptly to maintain shock absorption performance.
