D11B-A (R-51IB) 5 General 4-stroke direct injected, turbocharged and aftercooled diesel engine Number of cylinders No of valves Displacement, total Firing order Rotational direction, viewed from the front Bore Stroke Compression ratio Compression pressure at 24 Max. static forward inclination: Max. static backward inclination: Max. intermittent forward inclination while running: Max. intermittent backward inclination while running: Max. intermittent side inclination while running: in³ mm in mm in MPa psi 6 24 1,84 661, 1-5--6-2-4 Clockwise 12 4,84 152 5,98 16,5:1 7 1 17 Idling speed Rated speed Crankshaft power 1), 5) R Propeller selection range Crankshaft power 1), 5) Dry weight engine BT kg lb 6 (+5) 225 225-2 1145 2524 Performance Rating 7 9 11 1 16 18 19 2 21 225 Crankshaft power 1), 5) kw 71 12 18 252 1 45 62 71 75 75 hp 97 16 245 4 422 469 492 55 51 51 Propeller shaft power 1) (At full load) With kw 69 116 175 244 1 5 51 6 64 64 drive Reverse gear hp 94 158 27 2 49 455 478 489 495 495 Propellershaft power at prop. load x2,5 kw 2 7 61 92 155 28 28 271 6 64 With drive Reverse gear hp 27 5 8 126 211 28 24 69 416 495 Propellershaft power at prop. load x kw 11 2 4 7 11 186 219 255 296 64 With drive Reverse gear hp 15 2 58 95 178 25 298 47 42 495 Torque at crankshaft 2) Nm 968,6 127 156 1851 185 18 1819 1771 175 1592 lbf ft 714 99 115 165 165 15 142 17 1258 1174 Mean piston speed m/s,5 4,6 5,6 6,6 8,1 9,1 9,6 1,1 1,6 11,4 ft/s 11,6 15, 18, 21,6 26,6 29,9 1,6,2 4,9 7,4 Effective mean pressure 2) MPa 1,12 1,48 1,81 2,15 2,15 2,12 2,11 2,5 1,98 1,85 psi 162,9 214,1 262,8 11, 11,2 7,8 6, 297,9 286,8 267,7 Max combustion pressure 2) MPa 11,1 1,2 16,8 17,1 16, 16,5 16,6 16,5 16,7 16,5 psi 161 1914 247 248 264 29 248 29 2422 29 Lubricating system Specific lubricating oil consumption. Max. oil volume including filters for all allowed installation inclinations: Max. oil volume excluding filters for all allowed installation inclinations: Min. oil volume excluding filters for all allowed installation inclinations: g/kwh US gal US gal US gal,1 7,9 25 6,6 21 5,55
D11B-A (R-51IB) 5 Fuel system Rating 7 9 11 1 16 18 19 2 21 225 Specific fuel consumption 2) g/kwh 246,4 29 248 214,1 199,8 2,1 22, 26,7 27, 212,7 lb/hph,99,87,42,47,24,24,28,5,6,45 Fuel consumption, Test cycle E5 g/kwh lb/hph 22,6 Fuel consumption, Test cycle E5 Fuel consumption, Test cycle E g/kwh g/kwh 222 217,5 lb/hph lb/hph,6,5 Fuel consumption at prop. load x 2,5 l/h 6,2 1,6 16,9 24,9 41, 54,7 62,7 72,4 8,4 95,8 US gal/h 1,6 2,8 4,5 6,6 1,9 14,5 16,6 19,1 21,2 25, Fuel system Rating 7 9 11 1 16 18 19 2 21 225 Fuel consumption at full load l/h 2,9 4, 5,4 64,6 74,1 82,6 87,6 91,8 9, 95,4 US gal/h 5,5 9,1 14,1 17,1 19,6 21,8 2,1 24,2 24,6 25,2 Intake and exhaust system Rating 7 9 11 1 16 18 19 2 21 225 Exhaust temperature at the exhaust pipe C 529 67 76 594 49 45 48 428 415 46 connecting flange after the turbo charger. F 984 1179 1 111 914 842 82 82 779 76 Permitted back pressure in the exhaust line at rated speed. (Installed back pressure) Engine air consumption at 25 o C / 77 o F atmospheric pressure 1kPA and relative humidity %. kpa Max 15 psi kpa Min 2,2 psi m³/min 4,2 6,7 9,6 1, 18,8 2,1 25,6 27,8 28,7,7 cu.ft./min 148, 26,6 9 469,7 66,9 815,8 94,1 981,7 114 184 Charge air pressure kpa 22 48 76 18 146 172 186 197 195 198 Inlet manifold psi,2 7, 11, 15,7 21,2 24,9 27, 28,6 28, 28,7 Exhaust gas flow m³/min 6,9 9,6 12,4 1,1 18,7 2 25,4 27,6 28,6,9 cu.ft./min 24,7 9 47,9 462,6 66,4 812,2 897 974,7 11 191 Cooling system Rating 7 9 11 1 16 18 19 2 21 225 Radiated heat in percent of crankshaft 5,7 4,2,5 2,5 1,4 1,2 1,1 1,1 1,1 1,1 % power. Heat rejection to charge air cooler in percent of crankshaft power. Coolant heat rejection to HE, incl. engine oil cooler and excl. charge air cooler, in percent of crankshaft power. Coolant flow with fully open thermostat and std cooling system Max. permissible temperature on coolant in engine outlet Coolant volume engine, including heat exchanger and charge air cooler Max. additional coolant for cabin heater etc. with std. Expansion tank 4 6 8 1 14 17 19 251 21 2 % 11 1 1 79 51 9 5 1 1 l/min 249 42 4 477 591 69 742 75 78 7 cu.ft./min 8,8 12,1 14,1 16,8 2,9 24,5 26,2 26,5 26,1 25,9 C F US gal. US gal. 98 28 46 12,15 4 1,57 Maximum coolant flow to cabin heater etc. Thermostat, start open at Thermostat, fully open at l/min cu.ft./min C F C F 76 2,68 76 169 86 187 %
D11B-A (R-51IB) 5 Raw water circuit 7 9 11 1 16 18 19 2 21 225 Nominal raw water design flow l/min 91 99 121 141 174 24 227 249 258 266 cu.ft/min,2,5 4, 5, 6,1 7,2 8, 8,8 9,1 9,4 Maximum raw water pump suction head Maximum raw water temperature entering heat exchanger kpa psi C F -1-1,5 2 9 2 circuit keel cooling system, LT Rating 7 9 11 1 16 18 19 2 21 225 Maximum temperature to charge air C 2 cooler from external LT-cooling system F 9 circuit Coolant flow through keel cooler, LTcooling system circuit cu.ft./min l/min 28 8,4 Pressure drop in external LT-cooling system circuit, including piping Coolant volume charge air cooler kpa psi US gal. 2 circuit keel cooling system, HT Rating 7 9 11 1 16 18 19 2 21 225 Design point for keel cooler, engine outlet C 8 temperature F 181 Maximum temperature to engine from C 65 external HT-cooling system circuit F 149 Coolant flow through keel cooler, HTcooling system circuit at design point cu.ft./min 6,2 l/min 175 Maximun coolant flow through keel l/min 187 cooler, HT-cooling system circuit cu.ft./min 6,6 Pressure drop in external HT-cooling system circuit, including piping Coolant volume engine, excl. heat exchangers kpa psi US gal. 7 1,2 8,72 Emissions Rating 7 9 11 1 16 18 19 2 21 225 Smoke at prop. load x 2,5 *BSU,,,,7,2,1,1,1,1,1 Noise at prop. load x 2,5. 4) dba 1,1 16,2 18,8 19, 111,1 112,4 11, 11,7 115,2 115,9 *NB.! BSU are calculated values. Measured values are acc. to ISO 154 in FSN units 5 7, 5 1,2
D11B-A (R-51IB) 5 Sensors Control and Monitoring System Switches Engine Shutdown System Warning Initial Delay / Sensors Signal Unit Range Warning Level Derating Level Warning Delay Shutdown Initial Delay / Shutdown Delay Shutdown Level (Tolerance) Charge air pressure.5-4.5 V kpa 5-4 ± 4.2kPa 27 kpa (relative) 28 kpa* sec from start / 2 sec Charge air temperaure 5- kω C -4-1 ± 4% sec from start / 2 sec 75 C 8 C (soft ) Coolant level switch Digital ON / OFF sec from start / 1 sec Low level / Lost signal Coolant temperature 5- kω C -4-14 ± 1.5 C sec from start / 2 sec 98 C 11 C (soft 1) 4 sec from start / 1 sec 15 (± 2 C) SDU Ch. S1 Engine speed cam Frequency Instant Lost signal Lost signal** Engine speed crank Frequency Instant Lost signal Lost signal** Eng. overspeed SDU 225 +15% Frequency / Hz 54 puls./rev. Instant Lost signal Instant 2588 / 229 Hz (-1 to %) Eng. overspeed SDU 24+15% Frequency / Hz 54 puls./rev. Instant Lost signal Instant 276 / 2484 Hz (-1 to %) Eng. overspeed SDU 245+15% Frequency / Hz 54 puls./rev. Instant Lost signal Instant 2818 / 256 Hz (-1 to %) Exhaust gas dry temperature PT2 C -4-75 ± 2.5% sec from start / 5 sec Fault Limit table 1 655 C (soft 4) Exhaust gas wet temperature PT2 C -4-75 ± 2.5% sec from start / 5 sec 2 C Oil level switch Digital ON / OFF sec from start / 5 sec Low level / Lost signal Oil temperature 5- kω C -4-14 ±.5% sec from start / 2 sec 12 C 122 C (soft 2) Water in fuel switch Digital ON / OFF All the time Water in fuel Gear oil pressure (EVC).5-4.5 V kpa - ± % 6 sec from start / 7 sec 7 kpa Gear oil temperature (EVC) 5- kω C -4-14 ± 2.5% (IB) 95 C 2s (IPS) Lost signal during slip Gear oil pressure (SDU) (Shutdown Unit Channel S2) = Not applicable Digital kpa ON / OFF 11 sec ± 2% from start / 1 sec 4 ± 2 Shutdown Unit Setting S2.S: 51 ± 2% 459 Hz ± 2% 54 pulses / revolution
D11B-A (R-51IB) 5 * 5% remaining torque from 15 ** 8% remaining torque Run detection S4 should be set to same value as S2, S
D11B-A (R-51IB) 5 Sensors ( dependent) Signal Unit Range 6 1 15 225/24/2 45 Coolant pressure.5-4.5 V kpa - ± % Warning Level kpa sec from start / 2 sec 2 5 7 Derating Level kpa Instant after warning 1 4 6 Shutdown Level kpa (Shutdown Unit Channel S4) Fuel pressure.5-4.5 V kpa -7 ±1.5% Warning Level kpa sec from start / 2 sec 125 2 26 27 Derating Level kpa Oil pressure.5-4.5 V kpa -7 ±1.5% Warning Level kpa sec from start / 1 sec 16 28 2 Derating Level kpa Instant after warning 8 26 1 Shutdown Level (Shutdown Unit Channel S) Digital kpa ON/OFF 11 sec ±2% from start / 12 ± 2 12 ± 2 12 ± 2 12 ± 2 1 sec Piston cooling pressure.5-4.5 V kpa -7 ±1.5% Warning Level kpa sec from start / 4 sec 75 2 25 Derating Level kpa Instant after warning 65 22 24 Seawater pressure.5-4.5 V kpa - ± % Warning Level kpa sec from start / 5 sec 1 8 17 Derating Level kpa Instant after warning 7 2 Warning = Yellow Lamp active Derating = Red Lamp active Initial Delay / Delay Warning Level / Derating Level / Shutdown Level Map Notes 5% remain torque >15 Run detection S4 = S2, S % remain torque > 15 Shutdown Unit Setting S2.S: 51 ± 2% 459 Hz ± 2% 54 pulses / revolution % remain torque > 15 Derate active >15
D11B-A (R-51IB) 5 Speed / C 11 C 1 C 16 C Soft 1) Soft derate Coolant Temp. 6 1%* 1%* 1%* Remaining torque in % 1 1%* 1%* 1%* 15 -> 1%* 75% 5% Speed / C 122 C 124 C 126 C Soft 2) Soft derate Oil Temp. 6 1%* 1%* 1%* Remaining torque in % 1 1%* 1%* 1%* 15 -> 1%* 5% % Speed / C 8 C 85 C 9 C Soft ) Soft derate Charge Air Temp. 6 1%* 1%* 1%* Remaining torque in % 1 1%* 1%* 1%* 15 -> 1%* 5% % Speed / C 655 C 665 C 67 C 675 C Soft 4) Soft derate Exhaust Temp. 6 1%* 1%* 1%* 1%* Remaining torque in % 1 1%* 1%* 1%* 1%* 15 -> 1%* 6% 2% 1% * = Alarm but no derate
D11B-A (R-51IB) 5 kw 4 5 25 2 15 1 5 Crankshaft power 1), 5) hp, metric 5 4 2 1 6 8 1 12 14 16 18 2 22 24 Nm 2 18 16 14 12 1 8 6 4 2 Torque measured at crankshaft lbf ft 14 12 1 8 6 4 2 6 8 1 12 14 16 18 2 22 24
D11B-A (R-51IB) 5 kw 4 5 25 2 15 1 5 Propellershaft power at full load and propellershaft power at Calculated propeller load exp. 2,5 hp, metric 5 4 2 1 6 8 1 12 14 16 18 2 22 24 R R. Calc. Prop. load R kw 4 5 25 2 15 1 5 Propellershaft power at full load and propellershaft power at Calculated propeller load exp.³ hp, metric 5 4 2 1 6 8 1 12 14 16 18 2 22 24 R R. Calc. Prop. load R
D11B-A (R-51IB) 5 l/h 12 1 8 6 Fuel consumption at full load and fuel consumption at prop.load exp. 2,5 US gal/h, 25, 2, 15, 4 1, 2 5,, 6 8 1 12 14 16 18 2 22 24 R R, exp2,5 R l/h 12 1 8 6 Fuel consumption at full load and fuel consumption at prop. load exp.³ US gal/h, 25, 2, 15, 4 1, 2 5,, 6 8 1 12 14 16 18 2 22 24 R R
D11B-A (R-51IB) 5 g/kwh 26 24 22 2 18 16 14 12 Specific fuel consumption 2) lb/hph,41,6,1,26,21 1,16 6 8 1 12 14 16 18 2 22 24 R R
D11B-A (R-51IB) 5 BSU calculated value,8 Smoke at prop.load exp.2,5 (measured according to ISO 154),7,6,5,4,,2,1 6 8 1 12 14 16 18 2 22 24 Rating FSN 1,4 Smoke at prop.load exp.2,5 according to ISO 154 1,2 1,8,6,4,2 6 8 1 12 14 16 18 2 22 24 Rating
D11B-A (R-51IB) 5 dba Noise at prop.load exp.2,5. 4) 118 116 114 112 11 18 16 14 12 6 8 1 12 14 16 18 2 22 24 Rating