INTERNAL COMBUSTION ENGINE

摘要

PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of cooling lubricating oil staying on an upper deck.SOLUTION: A cylinder head 30 is installed in a cylinder block 11 with bolts 60. Heat exchange members 70 for exchanging heat with lubricating oil staying on the upper deck 50 of the cylinder head 30 are co-fastened to the cylinder head 30 by the bolts 60.