FIELD: engines and pumps.
SUBSTANCE: proposed engine comprises crankcase 2 to house several cylinders 30 with cooling jacket 5. Separate cylinder heads 3 are provided with two cooling chambers 9, 10 arranged one above the other therein. Crankcase cooling jacket 5 and cylinder head bottom cooling chamber 9 are communicated ate least one, preferably, four transition holes 8 per one cylinder arranged regularly around cylinder. At least one inlet distributing chamber 7 and/or at least one return distribution cooling medium chamber 15 are arranged along at least one crankcase sidewall 2a. Said one inlet distributing chamber 7 communicates via at least one communicating channel 6 per one cylinder with cooling jacket 5 with cylinder dry liner. Preferably, every communicating channel 6, if seen in horizontal projection relative to cylinder 30, terminates in fact in cooling jacket 5.
EFFECT: improved cooling.
17 cl, 7 dwg
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