MAN D2866 Cylinder Block

The MAN D2866 cylinder block is the core foundation component for the D2866 inline six-cylinder heavy-duty diesel engine, widely applied in MAN heavy trucks, intercity coaches and generator sets. It satisfies aftermarket maintenance and direct replacement demands for fleets equipped with Euro II / Euro III D2866 power units.

Built upon MAN mature heavy-duty diesel engine design, this cylinder block adopts high-strength gray cast iron casting technology. Optimized internal cooling water galleries and lubricating oil passages improve heat dissipation and oil circulation efficiency, lowering component wear risks and maintaining stable engine operation under sustained heavy loads.

Product Advantages

High Structural Rigidity

• High-strength cast iron material, strong anti-deformation capability under long-duration heavy-load operation
• Optimized casting wall layout to reduce internal defects and enhance structural stability
• Precision machined fitting surfaces to guarantee assembly accuracy

Optimized Cooling & Lubrication

• Scientifically arranged internal cooling channels to realize balanced temperature distribution and avoid local overheating
• Smooth built-in oil galleries to maintain consistent lubrication of crankshaft, cylinder liner and moving assemblies
• Reduce friction loss and extend service life of matched engine components

Wide Aftermarket Compatibility

• Strictly follows original dimensional standards for direct fit replacement
• Compatible with multiple D2866 variants including D2866LF, D2866LOH
• Suitable for heavy trucks, passenger coaches and stationary generator equipment

Technical Specifications