

The Shacman Upper Cover Assembly with OEM number 12JSDX240T-1702010-58 represents a critical transmission component designed for heavy-duty truck applications. This precision-engineered assembly serves as the protective housing for the transmission’s internal shifting mechanisms and components. The 12JSDX240T-1702010-58 unit ensures reliable operation and protection against environmental contaminants while maintaining proper lubrication integrity. Manufactured from high-strength materials, this upper cover assembly withstands the rigorous demands of commercial vehicle operations. Its robust construction provides exceptional durability and long-term performance reliability.
This genuine Shacman component features integrated mounting points for shift mechanisms and control linkages. The design incorporates precise machining for optimal seal placement and component alignment. Advanced casting techniques ensure consistent wall thickness and structural integrity throughout the assembly. The cover includes strategically positioned inspection ports and access points for maintenance procedures. These engineering features contribute to reliable transmission operation and extended service life.
Installation of the OEM 12JSDX240T-1702010-58 Upper Cover Assembly guarantees perfect compatibility with Shacman transmission systems. The unit comes manufactured to exact specifications for straightforward replacement during transmission maintenance. Proper installation ensures optimal seal performance and prevents lubricant leakage. Regular inspection and timely replacement maintain transmission integrity and performance. Choosing this genuine part ensures compatibility and maintains factory performance standards.
| Parameter | Value |
|---|---|
| OEM Number | 12JSDX240T-1702010-58 |
| Brand | Shacman |
| Product Name | Upper Cover Assembly |
| Compatibility | Shacman Transmission Models |
| Material | High-Strength Aluminum Alloy |
| Surface Treatment | Anti-Corrosion Coating |
| Mounting Type | Bolted Flange Connection |
| Sealing System | Integrated Gasket Channels |
| Weight | 4.2 kg |
| Operating Temperature | -40°C to 150°C |
| Inspection Ports | Multiple Access Points |
The Shacman Upper Cover Assembly incorporates sophisticated engineering principles for optimal transmission protection and functionality. The aluminum alloy construction provides excellent strength-to-weight ratio while maintaining dimensional stability. Precision machining ensures perfect alignment with transmission housing and internal components. The design incorporates strategic ribbing and reinforcement at high-stress areas to prevent deformation. These features ensure reliable performance under extreme operating conditions.
Integrated sealing channels accommodate various gasket types for optimal fluid containment. The cover design includes proper ventilation to manage internal pressure fluctuations during operation. Mounting points are strategically positioned to distribute clamping forces evenly across the sealing surface. The assembly accommodates shift mechanism linkages with precise bearing surfaces and alignment features. These engineering considerations guarantee long-term reliability in commercial vehicle applications.
Manufacturing processes utilize advanced casting techniques that ensure consistent material properties and wall thickness. Machining operations maintain tight tolerances for proper component fitment and seal performance. Surface treatments provide corrosion protection while maintaining thermal conductivity characteristics. Quality control measures include dimensional verification and pressure testing procedures. These manufacturing techniques ensure the assembly meets Shacman’s rigorous quality standards.
The cover assembly features precisely machined sealing surfaces that ensure optimal gasket compression. Multiple sealing channels accommodate different gasket types and provide backup protection. The design prevents lubricant leakage while allowing for proper thermal expansion. Surface finishes are controlled to achieve optimal sealing characteristics without compromising durability. These sealing features maintain transmission fluid integrity and prevent contamination.
Strategic ribbing patterns provide exceptional stiffness while minimizing overall weight. The aluminum alloy composition offers excellent fatigue resistance under vibration and shock loads. Critical mounting areas incorporate additional material thickness for enhanced strength. The design maintains dimensional stability across the entire operating temperature range. These structural features ensure reliable performance throughout the component’s service life.
The 12JSDX240T-1702010-58 Upper Cover Assembly is specifically engineered for seamless integration with Shacman transmission systems. Mounting bolt patterns align perfectly with transmission housing specifications for straightforward installation. The cover design accommodates various shift mechanism configurations and linkage arrangements. Internal clearance dimensions ensure proper operation of internal transmission components without interference. This precise integration ensures optimal performance and maintains transmission system integrity.
The assembly provides proper support and alignment for shift rails and selector mechanisms. Ventilation systems maintain appropriate internal pressure and prevent moisture accumulation. Access ports facilitate maintenance procedures and component inspection without complete disassembly. The design considers thermal expansion characteristics to maintain seal integrity during temperature fluctuations. These integration features simplify service while ensuring reliable transmission operation.
Compatibility with original equipment ensures straightforward replacement during transmission maintenance or overhaul. The upper cover assembly design accommodates standard transmission configurations across multiple Shacman models. Installation procedures align with manufacturer recommendations for proper torque sequences and seal installation. These integration considerations make the upper cover assembly a vital component within the complete transmission system.
Exceptional durability is engineered into every aspect of the Shacman Upper Cover Assembly. The aluminum alloy construction withstands mechanical stress and maintains structural integrity under load. Anti-corrosion coatings protect against environmental exposure and fluid degradation. The assembly maintains dimensional stability despite continuous vibration from transmission operation. These durability characteristics ensure reliable performance throughout the component’s service life.
Performance testing validates the upper cover assembly under simulated real-world operating conditions. Pressure testing evaluates sealing integrity under maximum system pressure conditions. Vibration testing ensures mechanical stability despite continuous transmission oscillation. Thermal cycling tests verify performance across extreme temperature ranges. These validation procedures guarantee performance meets Shacman’s rigorous quality standards.
Field performance data from fleet operations confirms the long-term reliability of the 12JSDX240T-1702010-58 upper cover assembly. Properly installed components typically achieve service intervals aligned with transmission maintenance schedules. The design minimizes failure modes through robust construction and quality materials. These reliability features provide value through extended service life and reduced maintenance requirements.
Proper installation begins with thorough cleaning of the transmission housing mating surface. Remove any old gasket material and debris to ensure proper sealing surface preparation. Inspect the new upper cover assembly for any shipping damage or manufacturing defects. Apply appropriate sealant or install a new gasket according to manufacturer specifications. Position the cover assembly carefully and install bolts following the recommended torque sequence.
After installation, verify proper operation of shift mechanisms and linkage connections. Check for leaks around the sealing surface after filling the transmission with lubricant. Test transmission operation through all gear ranges to confirm normal shifting performance. Inspect for proper clearance between internal components and the cover assembly. Document installation details including date and mileage for future maintenance reference.
Routine maintenance includes visual inspection during scheduled transmission service intervals. Check for signs of lubricant leakage, corrosion, or physical damage to the cover assembly. Verify proper bolt torque and sealing integrity during transmission fluid changes. Monitor transmission operation for unusual noises or performance changes that could indicate cover issues. These maintenance practices extend service life and prevent unexpected transmission failures.
Every 12JSDX240T-1702010-58 Upper Cover Assembly undergoes comprehensive quality verification before distribution. The manufacturing process begins with raw material certification and chemical composition verification. Precision casting operations maintain consistent wall thickness and structural integrity throughout production. Machining processes follow strict protocols to ensure dimensional accuracy and surface finish quality. These manufacturing controls ensure that only properly processed components advance to final inspection.
Testing procedures include dimensional verification, pressure testing, and visual inspection. Leak testing validates sealing integrity under maximum system pressure conditions. Surface quality inspection ensures proper coating application and absence of defects. Sample testing from each production lot undergoes mechanical property verification. Only upper cover assemblies passing all quality checks receive Shacman certification for distribution.
The manufacturing facility maintains ISO 9001 quality management system certification and IATF 16949 automotive standards. Continuous improvement processes incorporate field performance data and technological advancements. Complete traceability allows identification of manufacturing details for each production batch. These quality assurance measures guarantee customers receive products meeting the highest performance standards.
Installing the genuine Shacman Upper Cover Assembly delivers significant operational advantages for truck owners and fleet managers. Proper sealing integrity prevents lubricant loss and maintains transmission efficiency. The durable construction protects internal components from contamination and environmental damage. Reliable cover performance ensures consistent transmission operation under various load conditions. These benefits contribute to improved transmission reliability and reduced total cost of ownership.
Vehicle performance improvements include smoother shifting operation and reduced transmission noise. Proper component protection extends transmission service life and reduces maintenance frequency. Compatibility with original systems ensures consistent performance and maintains vehicle value. These operational benefits make the 12JSDX240T-1702010-58 upper cover assembly a valuable investment for commercial vehicle operations.
Fleet management advantages include standardized components across vehicle inventory and simplified maintenance procedures. The consistent design reduces the learning curve for maintenance personnel performing transmission work. Replacement part availability ensures quick repairs and minimal vehicle downtime. These fleet management benefits support efficient operations and reliable vehicle performance in demanding applications.
This unique identifier guarantees genuine Shacman quality and ensures perfect compatibility with Shacman transmission systems. It verifies the upper cover assembly meets original equipment specifications for dimensions, material, and performance standards.
Upper cover assemblies should be inspected during regular transmission maintenance, typically every 100,000 kilometers or whenever transmission service is performed.
Lubricant leakage, visible damage, corrosion, difficult shifting, or transmission contamination can indicate a failing upper cover assembly requiring attention or replacement.