Technical data: B35:40 L9AG Drawing No.: L1089_23 Rev. 00
Fuel type: NATURAL GAS Project No.:
Application: Marine Auxiliary Engine No.:
Yard/Power plant: Standard
Engine data:
Number of cylinders - 9
Cylinder bore mm 350
Piston stroke mm 400
Rated power (MCR), engine kW 3940
Rated active power, generator kW 3800
Generator efficiency - 0,965
Rated output, electric
with COS(phi) = 0,8 kVA 4750
Mean effective pressure bar 18,2
Rated speed RPM 750
Mean piston speed m/s 10
Displacement l 346
Gas data:
Specific energy consumption kJ/kWh 7550
Gas consumption at MCR m³n/h 825
Gas consumption at MCR kg/h 660
Minimum gas feed at MCR:
-at engine inlet barg 3,2
-to press. control module barg 3,5
Start air data:
Start air pressure, max./min. barg 30/15
Air consumption per. start m³n 3
No of starts, 1000l receiver - 3
Lubrication data:
Lubrication oil - SAE 40
Main pump capacity m³/h 68
Priming pump capacity m³/h 13
Lub. oil pressure
-normal barg 4-5
-alarm, pressure low barg 2,5
-shut-down, pressure low barg 1,7
Lub. oil temp engine inlet
-normal °C 60
-alarm, temp high °C 70
Spec. lub. oil consumption g/kWh 0,4
Lub. oil consumption kg/h 1,6
Crankcase, lub. oil volume
-high level l 4500
-low level l 3850
Jacket water waste heat recovery:
Waste heat, 100% load MJ/h 3420
Waste heat, 80% load MJ/h 2450
Waste heat, 50% load MJ/h 1285
Cooling water data:
Two-stage charge air cooler:
-Low temp. stage:
-temp. at inlet, max °C 37
-water flowrate, normal m³/h 50
-water flowrate, max m³/h 58
-High temp. stage:
-water flowrate, normal m³/h 36
Jacket water system:
-pump capacity m³/h 81
-normal stop/shut-down barg 1.0
-water quantity, engine block l 370
-Temp. at engine outlet
-normal °C 90
-alarm, temp. high °C 95
-shut-down, temp. high °C 95
-temp. rise in engine, max °C 6,2
-incl. high temp. ca-cooler °C 10,1
-Expansion tank:
-volum, single-engined l 300
-volum, multi-engined l 500
-height above engine m 3-10
Air data:
Turbocharger type ABB TPL-65 VTG
Charge air cooler type - RR9L3240B
Air consumption m³n/h 15700
Air consumption kg/h 20400
Charge air pressure barg 2,4
Charge air temperature:
-normal °C 55
-alarm, temp high °C 62
Turbocharger speed alarm rpm 27761
Exhaust data:
Mass flow kg/h 21000
Volume flow, after turbin m³/h 40200
Temp, after cylinder °C 485
Temp, after turbine °C 395
Back pressure, max mmWG 400
Part load data:
-Mass flow, 90% load kg/h 18500
-Temp, after turbine °C 415
-Mass flow, 80% load kg/h 16600
-Temp, after turbine °C 430
-Mass flow 50% load kg/h 10900
-Temp, after turbine °C 465
Heat dissipation:
Lubrication data:
Lub. oil .cooler MJ/h 1695
Cooling water data:
Low temp. stage MJ/h 1590
High temp. stage MJ/h 1325
Jacket water cooler:
-Heat dissipation, engine MJ/h 2095
-incl. high temp. ca-cooler MJ/h 3420
Ventilation data:
Radiation engine MJ/h 930
Radiation generator (IP23) MJ/h 505
Engine power definition is according to ISO 3046-1
However the engine ratings are valid for the following reference conditions:
Air inlet temperature max. + 45 °C
Air inlet temperature min. + 0°C
Heat dissipation. + 25°C
Charge air low temp. cooling water inlet temp. max. +37°C
Relative humidity 60%
Spec. NOx emissions 1,4 g/kWh at full load (MCR).
Specific energy consumption is according to ISO 3046-1 and is given at full load(MCR),
running on NATURAL GAS with a lower heating value of 36.0 MJ/m³n and
no engine-driven pumps. With engine-driven pumps, add 0.5% for each pump.
Methane no. min 70 , according to AVL calculation
Spec. lub. oil consumption is for guidance only
NOTE! Due to continuous development, some data may change
