X72 | WinGD X72 Careers Portal Search Menu Careers Portal Back Products & Solutions Products & Solutions Products & Solutions Overview Engines Engines Engines Overview Engines by fuel type Engines by fuel type Liquefied Natural Gas Ammonia Methanol Diesel Liquefied Propane Gas Ethanol Find out more about X-DF Dual-Fuel Engines by vessel type Engines by vessel type Tanker Container Vessel Bulk Carrier Multipurpose Vessel Gas Carrier PCTC VLAC General Technical Data Fuel Flexibility Fuel Flexibility Fuel Flexibility Overview LNG Ammonia Methanol and Ethanol LPG Energy Management Energy Management Energy Management Overview X-EL Energy Management Digital Solutions Emissions & Efficiency Emissions & Efficiency Emissions & Efficiency Overview EEXI Power Limitation iSCR - Integrated Selective Catalytic Reduction Tier III NOx WinGD Compliance Solutions Retrofit Solutions Design & Development Design & Development Design & Development Overview Research & Testing Facilities Research & Testing Facilities Research & Testing Facilities Overview Spray Combustion Chamber Engine Technologies Engine Technologies Engine Technologies Overview X-DF Dual-Fuel Design X-DF Dual-Fuel Design X-DF Dual-Fuel Design Overview X-DF2.0 Technologies X-DF – How it works Variable Compression Ratio (VCR) Technology X-DF-HP Tribology Fuels & Lubricants X-Engine Performance X-Engine Performance X-Engine Performance Overview Waste Heat Recovery Steam Production Control X-Engine Tunings Emissions Abatement Service & Support Service & Support Service & Support Overview Global Service by WinGD Global Service by WinGD Global Service by WinGD Overview WinGD spare parts WinGD field service WinGD technical services Service Providers Service Providers Service Providers Overview Wärtsilä Services Engine Builders Operation Recommendations Training Training Training Overview Training Facilities Theoretical Engine Training Advanced Training Specialised Training Course Specifications Digital Training Solutions Suppliers News & Media News & Media News & Media Overview WinGD Xtra News News News Overview Events Events Events Overview Brochures & Papers Video Gallery About WinGD About WinGD About WinGD Overview Careers Our Engine History World Record 12X92DF Our people Contact us Home Products & Solutions Engines X72 X72 X72 X72 On this page Engine Details Engine Documentation Engines Liquefied Natural Gas X52DF-2.1 X52DF-S2.0 X62DF-2.1 X62DF-S2.0 X72DF-2.1 X72DF-2.2 X82DF-2.0 X92DF-2.0 X92DF-HP-1.0 X82DF-HP-1.0 Ammonia X52DF-A-1.0 X52DF-A-S1.0 X62DF-A-1.0 X62DF-A-S1.0 X72DF-A-1.0 X82DF-A-1.0 Methanol X52DF-M-S1.0 X62DF-M-1.0 X62DF-M-S1.0 X72DF-M-1.0 X82DF-M-1.0 X92DF-M-1.0 Diesel X52-1.1 X52-1.2 X52-S2.0 X62-1.1 X62-1.2 X62-S2.0 X72-B X72-1.2 X82-2.0 X92-1.1 Liquefied Propane Gas X52DF-P-1.0 X62DF-P-1.0 Ethanol X52DF-M-S1.0 X62DF-M-1.0 X62DF-M-S1.0 X72DF-M-1.0 X82DF-M-1.0 X92DF-M-1.0 Legacy RT-flex50-D RT-flex50DF RT-flex58T-E X35-B X40-B X40DF-1.0 X52 X52DF X52DF-1.1 X52DF-S1.0 X62-B X62DF X62DF-1.1 X62DF-S1.0 X72 X72DF X72DF-1.1 X72DF-1.2 X82-B X82DF-1.0 X92 X92-B X92DF Engine details Definitions Download W-X72 IMO Tier II/Tier III (SCR) Cylinder bore 720mm Piston stroke 3086mm Speed 66-89rpm Mean effective pressure at R1 20.5bar Stroke/bore ratio 0 Rated power, principal dimensions and weights Output in kW at 84rpm 66rpm Length A mm Dry mass tonnes Cyl. R1 R2 R3 R4 5 18050 13500 14200 10600 8085 481 6 21660 16200 17040 12720 9375 561 7 25270 18900 19880 14840 10665 642 8 28880 21600 22720 16960 11960 716 Output in kW at 84rpm 66rpm Cyl. R1 R2 R3 R4 5 18050 13500 14200 10600 6 21660 16200 17040 12720 7 25270 18900 19880 14840 8 28880 21600 22720 16960 Cyl. Length A mm Weight tonnes 5 8085 481 6 9375 561 7 10665 642 8 11960 716 Dimensions mm B C D E 4780 1575 10790 4710 F1 F2 F3 G 13560 13560 12580 2455 Brake specific fuel consumption (BSFC) in g/kWh Rating point R1 R2 R3 R4 BMEP, bar 20.5 15.4 20.5 15.4 BSFC (g/kWh) Delta Bypass Tuning, 100% power, Tier II 167 160 167 160 R1 BSFC (g/kWh), Tier II Power(%) 85 70 85 70 65 Delta Bypass Tuning 163.2 162.8 162.5 161.3 158 Low-load Tuning Brake specific fuel consumption (BSFC) in g/kWh Rating point R1 R2 R3 R4 BMEP, bar, 20.5 15.4 20.5 15.4 BSFC (g/kWh), Delta Bypass Tuning, 100% power, Tier II 167 160 167 160 R1 BSFC (g/kWh), Tier II Power (%) 85 70 85 70 65 Delta Bypass Tuning 163.2 162.8 162.5 161.3 158 Low-load Tuning All data provided on this site is for information purposes only, explicitly non-binding and subject to changes without further notice. Definitions Download Engine documentation for W-X72 Know what you're looking for? 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