Main Engine 4-Stroke · Main Engines (4-Stroke)
The 4CHE3 is a naturally aspirated 4-cylinder, 105x125 mm, 4.33 L water-cooled marine diesel, part of Yanmar's CHE series sold since 1977, rated 57.4 kW/78 hp (M) at 2550 rpm and 62.5 kW/85 hp (L) at 2600 rpm. It uses mechanical engine control and pairs with the YX-30-2 marine gearbox; no formal emissions certification is listed in the catalogue for this naturally aspirated model.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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