Page 34: of Maritime Reporter Magazine (May 2015)

MARINE PROPULSION

Upcoming IMO III emission regulations, selected operation pro? les and diesel fuel costs make the M 46 DF a preferred en- gine regarding lowest cost of operation.

Emissions of the M46 DF in gas-mode compared to a diesel engine (M43).

Technical Data M46 DF

M 46 DF engine as a genset version.

DIESEL GAS Mode Mode

Emission IMO II IMO III

Bore, mm 460 460

Stroke, mm 610 610

Speed, rpm 500/514 500/514

Power, kW/cyl 900 900 (MN>80)

BMEP, bar 21.3/20.7 21.3/20.7

Liquid fuel Consump.

g/kWh@ 100% 186 1.9

Gas fuel Consump. kJ/kWh@100% 7,200

Ef? ciency (development target) 45.0 50.0

Without engine driven pumps. Tolerance for SFOC and ef? ciency +/- 5% 34 Maritime Reporter & Engineering News • MAY 2015

MR #5 (34-41).indd 34 MR #5 (34-41).indd 34 4/30/2015 10:37:37 AM4/30/2015 10:37:37 AM