


Flywheel

Маховик

Volante de Inercia
The Shacman Flywheel with OEM number 4974334 is engineered to deliver exceptional performance and reliability in heavy-duty truck applications. This critical engine component ensures smooth power transmission and optimal engine operation under demanding conditions. Designed specifically for Shacman commercial vehicles, the 4974334 model provides precise balancing and durable construction. The flywheel’s advanced design contributes to improved fuel efficiency and reduced vibration levels. Manufactured to exacting standards, each unit undergoes rigorous quality control testing. This genuine Shacman part guarantees perfect compatibility with your truck’s engine system. Regular maintenance and proper installation ensure long-term reliability and performance.
This premium flywheel features precision-machined surfaces for optimal clutch engagement. The balanced design minimizes vibration and reduces stress on engine components. High-quality materials ensure excellent heat resistance and wear characteristics. The flywheel’s weight distribution provides smooth engine operation across all speed ranges. Proper surface finishing ensures consistent clutch performance and extended service life. The component’s robust construction withstands high torque loads and thermal stress. Fleet operators trust the 4974334 for its proven durability and cost-effectiveness. The flywheel’s design simplifies inspection and replacement procedures during routine maintenance.
| Parameter | Specification |
|---|---|
| OEM Number | 4974334 |
| Product Name | Flywheel |
| Brand | Shacman |
| Compatible Models | Shacman F3000, M3000, X3000 Series |
| Material | High-Strength Cast Iron |
| Diameter | 420mm |
| Weight | Approx. 28.5 kg |
| Mounting Type | Bolt-On to Crankshaft |
| Surface Finish | Precision Ground |
| Heat Treatment | Stress Relieved |
| Balance Standard | ISO 1940 G6.3 |
| Ring Gear Teeth | 129 Teeth |
The Flywheel 4974334 incorporates advanced engineering principles for superior performance in heavy-duty applications. Its precision-balanced design ensures smooth operation across the entire engine speed range. The high-strength cast iron construction provides excellent durability and heat dissipation properties. Computer-controlled machining processes guarantee exact dimensional accuracy and surface finish. The flywheel’s weight distribution optimizes rotational inertia for improved engine response. This enhances both acceleration characteristics and fuel efficiency significantly. The component’s robust design withstands high torque loads encountered in commercial truck operations.
Another critical feature is the integrated ring gear design for reliable engine starting. The gear teeth are precision-cut and heat-treated for maximum wear resistance. The mounting surface is machined to exact specifications for perfect clutch engagement. Special attention is given to thermal expansion characteristics to maintain performance under varying temperatures. The flywheel’s design includes proper ventilation for efficient heat dissipation. These engineering features combine to create a reliable and high-performance component. The 4974334 delivers consistent operation in the most demanding transportation environments.
The 4974334 undergoes sophisticated dynamic balancing procedures to ensure vibration-free operation. Computerized balancing equipment identifies and corrects even minute imbalances in the rotating assembly. Correction weights are strategically placed to achieve perfect balance according to ISO 1940 G6.3 standards. This precision balancing reduces stress on crankshaft bearings and other engine components. The process includes multiple verification checks to guarantee consistent quality. Proper balancing extends the service life of both the flywheel and connected systems. This attention to detail distinguishes genuine Shacman components from alternatives.
Proper installation of the Flywheel 4974334 requires careful preparation and adherence to technical specifications. Begin by thoroughly cleaning the crankshaft flange and bolt holes. Verify that all mounting surfaces are free from burrs, dirt, and old sealant. Position the flywheel carefully onto the crankshaft, aligning the dowel pins precisely. Install the mounting bolts and tighten in a star pattern sequence according to torque specifications. Use a dial indicator to verify runout does not exceed manufacturer limits. Install the clutch assembly following the recommended procedures and specifications. Always use new locking hardware and follow the specified tightening sequence.
Regular maintenance ensures optimal performance and identifies potential issues early. Conduct visual inspections during routine service intervals. Look for signs of heat checking, cracking, or surface damage on the friction surface. Check for wear on the ring gear teeth and proper starter motor engagement. Verify bolt tightness during major service intervals according to maintenance schedules. Monitor for unusual vibrations or noises during engine operation. Address any issues immediately to prevent secondary damage to the clutch and transmission systems. These maintenance practices extend the flywheel’s service life significantly.
Correct torque application is crucial for proper flywheel installation and operation. Use calibrated torque wrenches for accurate fastener tensioning. Follow the manufacturer’s recommended torque sequence and values precisely. Apply thread locking compound where specified in the installation procedure. Use replacement fasteners if original bolts show signs of stretching or wear. Proper fastening ensures secure mounting under high torque and vibration conditions. This attention to detail prevents catastrophic failures and maintains operational safety.
The Flywheel 4974334 complies with international automotive safety and quality standards. The manufacturing process follows ISO 9001 quality management system requirements. Each component undergoes rigorous testing before shipment to customers. Material specifications meet automotive OEM standards for performance and durability. The product undergoes non-destructive testing to detect internal flaws or defects. Dimensional inspections verify compliance with engineering specifications. These compliance measures ensure the flywheel’s reliability and safety in operation.
Quality assurance extends throughout the entire manufacturing process. Raw material inspection verifies chemical composition and mechanical properties. Casting processes are monitored for consistency and freedom from defects. Machining operations maintain precise tolerances and surface finish requirements. Heat treatment processes are carefully controlled to achieve desired material properties. Final inspection includes visual examination and functional testing. Each flywheel carries identification marks for traceability purposes. These comprehensive quality measures provide customers with confidence in product performance.
The 4974334 utilizes premium materials that undergo extensive testing before production. Cast iron composition is verified through spectroscopic analysis for consistency. Mechanical testing confirms tensile strength, hardness, and impact resistance properties. Microstructure examination ensures proper grain structure and freedom from defects. Material certificates provide traceability and compliance documentation. These testing protocols guarantee consistent material properties across all production batches. The result is a flywheel that meets the demanding requirements of commercial vehicle applications.
The Flywheel 4974334 serves critical functions in various commercial vehicle applications. Long-haul transportation operations benefit from its durability and reliability. The component withstands constant use in demanding highway and regional haul applications. Construction vehicles appreciate its resistance to shock loads and harsh operating conditions. The robust design handles the stop-start cycles common in construction environments. Mining applications demand the highest levels of component toughness and reliability. The flywheel meets these challenging requirements with proven performance.
Emergency service vehicles depend on consistent operation during critical missions. Logistics and distribution companies value the reduced maintenance requirements and extended service life. Municipal vehicles including garbage trucks and snow plows need reliable performance. These applications involve frequent clutch engagements and varying load conditions. Vocational trucks with specialized equipment require durable powertrain components. The 4974334 adapts to various engine configurations and operating requirements seamlessly. Its compatibility across Shacman models simplifies inventory management for fleet operators.
The flywheel maintains performance across extreme environmental and operational conditions. High-temperature operations test its heat dissipation and thermal stability. The material composition resists warping and cracking under thermal stress. Cold climate operations verify performance in low-temperature environments. The component maintains structural integrity and dimensional stability in freezing conditions. High-altitude applications don’t affect the flywheel’s balancing or performance characteristics. These capabilities ensure reliable operation in diverse geographic and climatic conditions.
The Flywheel 4974334 offers significant economic advantages for fleet operators and owner-operators. Its extended service life reduces replacement frequency and associated costs. The durable construction minimizes unexpected failures and vehicle downtime. Reduced maintenance requirements lower labor costs and increase vehicle availability. The component’s precision balancing improves fuel efficiency by reducing parasitic losses. This translates to substantial operational savings over the vehicle’s service life. The genuine Shacman quality ensures optimal compatibility and performance.
Operational efficiency improvements contribute directly to profitability and cost management. Reduced powertrain issues mean increased vehicle utilization and revenue generation. The standardized design simplifies technician training and repair procedures. Bulk purchasing opportunities provide additional cost savings for fleet operators. The long-term reliability justifies the initial investment in genuine OEM parts. Compared to aftermarket alternatives, the total cost of ownership is significantly lower. These economic benefits become more pronounced as fleet size increases.
Comprehensive cost analysis demonstrates the flywheel’s economic value and return on investment. Consider the extended service life compared to alternative products. Calculate savings from reduced maintenance requirements and repair costs. Factor in the operational benefits of improved fuel efficiency and vehicle availability. Include the value of prevented downtime and secondary damage to other powertrain components. Add the warranty coverage benefits and technical support availability. Compare these against cheaper alternatives that require more frequent replacement. The analysis reveals superior long-term value despite the initial investment.
Shacman continuously innovates its flywheel technology to incorporate advanced manufacturing techniques and materials. The 4974334 represents current best practices in rotating component design and production. Computer-aided engineering optimizes weight distribution and structural integrity. Advanced casting techniques ensure consistent material properties and freedom from defects. Precision machining operations guarantee exact dimensional accuracy and surface finish. Automated balancing equipment achieves vibration levels that exceed industry standards.
Quality control processes incorporate statistical process control methods throughout manufacturing. Each production step includes multiple inspection checkpoints to maintain quality standards. The manufacturing facility utilizes modern equipment and follows lean manufacturing principles. Research and development efforts focus on improving durability and performance characteristics. These innovations ensure that Shacman flywheels remain at the forefront of commercial vehicle technology. Customers benefit from these advancements through improved reliability and operational efficiency.
The flywheel platform accommodates evolving engine technologies and performance requirements. Future developments may include advanced composite materials for weight reduction. These materials could maintain strength while reducing rotational mass for improved efficiency. Integration with hybrid powertrain systems represents another innovation direction. Smart monitoring systems with embedded sensors are under development for predictive maintenance. These advancements will further enhance the flywheel’s role in modern commercial vehicle powertrains.
The Shacman Flywheel 4974334 represents engineering excellence in commercial vehicle powertrain components. Its advanced design provides reliable power transmission and engine smoothing functions. The robust construction ensures dependable performance in demanding operating conditions. Comprehensive testing and certification guarantee compliance with international quality and safety standards. The flywheel’s versatile applications span multiple truck configurations and operating environments. Economic benefits include extended service life, reduced operating costs, and improved fuel efficiency. Continuous innovation ensures the product remains at the forefront of powertrain technology. Choose this genuine Shacman component for enhanced engine performance and reliability in your trucking operations.