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SAHCMAN X6000/M3000/X3000 Rear Air Spring Assembly DZ97259520620
It is a rear suspension air spring, which, together with components such as the leveling valve, longitudinal thrust rods, lateral stabilizer bar, and shock absorbers, constitutes a complete air suspension system.
FUNCTION
1. Supports Axle Weight and Provides Flexible Cushioning: As the core component of the air suspension system, it utilizes the elasticity of compressed air-replacing traditional leaf springs-to support the weight of the rear axle (drive axle) while effectively absorbing and cushioning vertical impacts and vibrations transmitted from the road surface, thereby minimizing the transmission of bumps to the vehicle frame and cargo.
2. Adjusts Vehicle Body Height: By working in conjunction with a height control valve, it allows for the automatic or manual adjustment of the rear axle height. This enables the vehicle to maintain a level body stance under varying load conditions-such as raising the body when unloaded and lowering it when heavily loaded-thereby improving both ground clearance and stability.
3. Enhances Ride Comfort and Smoothness: It delivers superior shock-absorbing performance, significantly reducing vibration and noise within the cab and cargo compartment (NVH optimization). This helps alleviate driver fatigue and protects cargo from the adverse effects of severe bumps, making it particularly well-suited for long-haul, high-speed, and heavy-duty logistics transport operations.
Working Principle
1. Air Spring Element: Internally filled with compressed air, the rubber air spring compresses or extends in response to applied loads, utilizing the compressibility of air to provide both cushioning and structural support.
2. Integration with ECAS: When integrated into an Electronically Controlled Air Suspension (ECAS) system, it enables advanced functionalities such as automatic ride height adjustment and body roll control.
3. Damping Function: Working in conjunction with shock absorbers, it rapidly dissipates vibration energy, thereby maintaining optimal tire-to-road contact and enhancing both traction and braking performance.
Installation Location
It is installed above the rear axle housing (or at the rear suspension equalizer beam position), with one unit located on each side. Mounted vertically between the rear axle and the vehicle frame, its upper end is secured to the frame sub-beam or suspension bracket, while its lower end is secured to the mounting seat on the rear axle housing or differential casing.
Advantages
| No. | Performance Advantage Category | Detailed Description |
|---|---|---|
| 1 | Excellent Cushioning and Shock Absorption Performance | Uses high-strength rubber air bag combined with compressed air elasticity, effectively absorbing and cushioning vertical road impacts and vibrations. It performs far better than traditional leaf springs, significantly reducing jolts to the chassis, cab, and cargo, delivering a much smoother and more comfortable ride. |
| 2 | Intelligent Vehicle Height Adjustment Function | Works together with the leveling valve to automatically or manually adjust rear axle height according to load, keeping the vehicle body level (raising when unloaded, lowering when heavily loaded). This improves passability, stability, and cargo safety, especially suitable for frequent load changes. |
| 3 | High Durability and Long Service Life Design | Made with premium rubber materials that are fatigue-resistant, aging-resistant, and puncture-resistant. Optimized internal structure provides excellent high-pressure and leak-proof performance. Suitable for harsh environments such as mines, construction sites, and long-haul highways, with a typical service life of 100,000–200,000 km or more under proper maintenance. |
| 4 | Improved Overall Driving Safety and Comfort | Reduces rear axle roll and bounce, maintains better tire-to-ground contact, and enhances stability during cornering and braking. It also lowers NVH (noise, vibration, harshness), reduces driver fatigue, protects other chassis components, and extends the overall vehicle service life. |
DETAILS
| DESCRIPTION | Rear Air Spring Assembly | PART NUMBER | DZ97259520620 |
| WEIGHT |
10KG |
VOLUME |
267 * 280 * 190 mm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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