DZ95259590068 Rear Engine Bearer

DZ95259590068 Right Rear Engine Mount Damper

DZ95259590068 is a dedicated component for the right rear engine mount damper used in Shaanxi Auto's Delong series heavy-duty trucks (such as the X3000 and M3000 models). Its core function is to isolate engine vibrations through elastic buffering and damping characteristics, serving as a critical part of the powertrain mounting system. Below is an analysis of its technical features, compatible models, market applications, and maintenance recommendations:

I. Technical Features and Functions

1. Damping Principle

The damper absorbs vibration energy generated during engine operation through the elastic deformation and damping properties of rubber materials, reducing its transmission to the vehicle frame. Its structural design must meet the dual requirements of static load-bearing (supporting the engine's weight) and dynamic vibration damping (attenuating vibrations), ensuring engine stability under complex operating conditions.

2. Materials and Craftsmanship

It employs a composite structure of high-strength rubber and a metal framework, where the rubber provides elastic buffering and the metal framework offers structural support. This design must balance durability (resistance to fatigue and aging) and damping efficiency to adapt to the high-load, long-distance transportation scenarios of heavy-duty trucks.

II. Compatible Models and Application Scenarios

1. Main Compatible Models

• Shaanxi Auto Delong X3000: Features a double-layer frame structure equipped with Weichai WP12/13 series engines.

• Shaanxi Auto Delong M3000: Adopts a lightweight frame design compatible with Weichai WP10/12 series engines.

• Other Shaanxi Auto heavy-duty truck models (such as the New M3000) that utilize similar frame and powertrain layouts may also be compatible with this damper.

2. Application Scenarios

During operation, heavy-duty trucks subject their engines to various vibrations during idling, acceleration, and over rough terrain. The right rear engine mount damper, as part of the powertrain mounting system, collaborates with other mounting points (such as the left front and right front dampers) to ensure that engine displacement and rotation angles remain within reasonable limits, preventing vibrations from being transmitted to the cabin or affecting the chassis structure.

IV. Maintenance and Replacement Recommendations

1. Failure Symptoms

• Vibrations in the steering wheel or brake pedal during idling or low-speed driving.

• Audible thuds or metallic creaking sounds when passing over speed bumps or rough roads, especially with severely damaged engine mounts.

• Noticeable engine shuddering during cold starts at idle, which diminishes or disappears after the engine warms up.

2. Replacement Cycle

The lifespan of the damper is influenced by operating conditions, rubber material aging, and other factors. Regular inspections (e.g., every 50,000 kilometers) are recommended. If rubber cracking, deformation, or significant damping performance degradation is observed, immediate replacement is necessary.

3. Installation Precautions

• Specialized tools should be used to remove the old damper to avoid damaging the frame or engine mounting points.

• When installing the new damper, ensure that the bolt tightening torque meets the manufacturer's specifications to prevent increased vibrations due to looseness.