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C3955219 XCMG GR2605 motor grader vibration damping block
– Part Number: C3955219 (3955219)
– Material: The main body is made of high-elastic nitrile rubber (oil-resistant, high-temperature resistant, anti-aging, and excellent elasticity), embedded with high-strength steel plates (enhancing structural stability and preventing deformation), and the surface is coated with anti-corrosion coating, suitable for high-temperature and oil-rich engine compartment working conditions.
– Type: Rubber-embedded steel plate vibration damping block (special for engines, focusing on impact buffering and vibration absorption)
– Temp Range: -40℃～120℃ (suitable for working conditions in the engine compartment)
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Product Details:
C3955219 XCMG GR2605 motor grader vibration damping block
C3955219 (3955219) is a genuine Cummins vibration damping block, whose core function is to absorb the vibration generated during engine operation, buffer mechanical impact, reduce vibration transmission to the engine block, frame and surrounding components, reduce vibration noise, and avoid loosening, wear or fracture of components caused by long-term vibration. It also protects precision engine components (such as sensors, pipelines, and wiring harnesses) from vibration damage. It fits Cummins medium and heavy-duty engines, and works with engine brackets and frames to ensure the overall operational stability of the engine, extend the service life of the engine and surrounding components, and adapt to the operation needs of various harsh working conditions.
Technical Parameters
– Part Number: C3955219 (3955219)
– Material: The main body is made of high-elastic nitrile rubber (oil-resistant, high-temperature resistant, anti-aging, and excellent elasticity), embedded with high-strength steel plates (enhancing structural stability and preventing deformation), and the surface is coated with anti-corrosion coating, suitable for high-temperature and oil-rich engine compartment working conditions.
– Type: Rubber-embedded steel plate vibration damping block (special for engines, focusing on impact buffering and vibration absorption)
– Temp Range: -40℃～120℃ (suitable for working conditions in the engine compartment)
– Shore Hardness: 55±5HA (moderate elasticity, balancing vibration damping effect and support performance)
– Load-bearing Range: 500～1500N (adapting to the vibration load of Cummins medium and heavy-duty engines)
– Vibration Damping Efficiency: ≥85% (effectively weakening low-frequency and medium-frequency vibration and reducing noise transmission)
– Torque: 18～25N·m (fixing bolts)
– Standards: Cummins OEM, ISO 9001, TS16949
Application
Applicable Engines
– Cummins: 4B3.9, 6BT5.9, 6CT8.3, ISB4.5/6.7, ISDe, ISLe, QSB6.7, KTA19 Series
– DCEC: ISDe, ISBe, 6CT8.3, ISZ13, EQ1120GA applicable models (suitable for engines supporting Tianlong, Tianjin, Dali Shen and other models)
Equipment
– Construction Machinery: Medium and large excavators, loaders, mining excavators, mining trucks, rotary drilling rigs, crawler cranes (equipped with Cummins 3.9L/5.9L/8.3L/19L models), suitable for Komatsu R385-9 excavators, XCMG XR220/XR260 rotary drilling rigs and other equipment
– Commercial Vehicles: Medium and heavy-duty trucks such as Dongfeng Tianjin, Tianlong, Foton Auman, Shaanxi Automobile Delong (equipped with Cummins applicable models)
– Gensets: 50～400kW Cummins 4B/6B/6CT/QSB/KTA19 series diesel units
– Industrial Equipment: Air compressors, marine auxiliary engines, oilfield drilling machinery, mining machinery (equipped with Cummins medium and heavy-duty engines)
Installation Location
Installed at the connection between the engine bracket and the frame, between the engine block and the base, and partially adapted to the generator bracket and exhaust pipe bracket. It is fixed on the bracket mounting surface with bolts to ensure that the vibration damping block is closely attached to the mounting surface without gaps or tilting. The installation position should avoid the area directly baked by the high-temperature exhaust pipe and be away from sharp components to prevent rubber aging or damage.
Installation & Maintenance
1. Clean: Thoroughly clean the surface of the mounting bracket and the mounting surface of the vibration damping block from oil, iron chips, dust and residual old sealant to ensure the mounting surface is flat and clean, avoiding impurities affecting the fit and vibration damping effect.
2. Inspect: The new vibration damping block has no damage, cracks or bulges, the rubber has no aging or degumming, and the embedded steel plate has no rust or deformation; verify that the model of the vibration damping block matches the engine model and installation position, and check that the fixing bolts have no sliding teeth or rust.
3. Install: Align the vibration damping block with the mounting hole, place it stably on the mounting surface to ensure accurate positioning and no deviation; insert the fixing bolt and tighten it evenly to avoid deformation of the vibration damping block or installation tilting due to excessive force on one side.
4. Torque: Tighten the fixing bolt to 18～25N·m in 2 steps to ensure the vibration damping block is firmly installed without looseness or shaking, and the fitting surface has no gaps, avoiding bolt loosening or vibration damping block displacement caused by engine vibration.
5. Re-inspect: Start the engine, observe that the vibration damping block has no abnormal deformation or falling off, the vibration is significantly reduced during operation, and there is no abnormal noise; check that the installation part has no looseness and confirm that the vibration damping effect meets the requirements.
6. Maintenance: During each engine maintenance or regular maintenance, check the rubber state of the vibration damping block. If aging, cracking, degumming, bulging and other conditions occur, replace the C3955219 genuine part in time; check the tightness of the fixing bolts and tighten them in time if they are loose; clean the oil and dust on the surface of the vibration damping block to avoid long-term oil erosion of the rubber and shorten the service life.
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