Yanmar N18

The Yanmar N18 is a six-cylinder, four-stroke diesel engine with a 180 mm bore, 280 mm stroke and 42.75 litre displacement. It is a vertical, water-cooled engine with direct injection, built as the 6N18L versions (720 or 750 rpm) and the 6N18AL versions (900 or 1000 rpm).

Model variants 6N18L-DV, 6N18L-UV, 6N18L-SV, 6N18L-EV, 6N18AL-HV, 6N18AL-DV, 6N18AL-UV, 6N18AL-SV, 6N18AL-EV
Number of Cylinders 6
Bore 180 mm
Stroke 280 mm
Displacement 42.75 L
Compression Ratio 16.5
Speed 720 – 1000 rpm

To identify and order a spare part for N18, please provide the model name and the serial number stamped on the nameplate.