3618 Engine Caterpillar

Engine Power Ratings

Usage:

3618 2MW

Table 1 lists typical performance data for 3618 Engines.

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Table 1
3618 Engine Performance Data
Rated speed	1050 rpm
Power output (±3%)	7200 bkW
Firing pressure	185 bar
Brake mean effective pressure	24.7 bar
Mean piston speed	10.5 m/s
Idle speed	350 rpm
Counterclockwise firing order	1-2-9-10-17-18- 5-6-11-12-15-16- 3-4-7-8-13-14
Clockwise firing order	1-14-13-8-7-4- 3-16-15-12-11-6- 5-18-17-10-9-2
Inlet Air System
Air flow at 100% load (±5%)	(756 m³/min)
Maximum air temperature at the air cleaner	(45 °C)
Inlet air temperature (alarm)	(50 °C)
Charge air pressure at 100% load (±10%)	2.75 bar
Maximum inlet air restriction	380 mm H₂O
Exhaust System
Exhaust gas flow at 100% rated load (±6%)	(1656 m³/min)
Exhaust port temperature (alarm)	(550 °C)
Exhaust manifold temperature at 100% load	(590 °C)
Exhaust manifold temperature (alarm)	(650 °C)
Exhaust stack temperature at 100% rated load (±8%)	(411 °C)
Exhaust stack temperature (alarm)	(550 °C)
Maximum exhaust back pressure	254 mm H₂O
Heat Balance at 100% Load 45 °C Air and 32 °C Sea Water
Total heat loss to sea water	5075 kW
Exhaust gas (±10%)	5895 kW
Radiation (±10%)	365 kW
Fuel System
Maximum pump suction restriction	-0.2 bar
Maximum return line back pressure	3.5 bar
Manifold pressure at 100% load	4.5 to 7.0 bar
Supply flow rate (±5%)	145 L/min
Return flow rate (±5%)	75.7 L/min
Brake specific fuel consumption with jacket water pump and aftercooler/oil cooler pump (±3%)	205 g/kw h
Fuel filter differential pressure (alarm)	0.7 bar
Lube Oil System
Minimum manifold pressure	3.8 bar
Manifold pressure (alarm) (788 to 1050 rpm)	3.2 bar
Manifold pressure (alarm) (0 to 787 rpm)	1.2 bar
Manifold pressure (shutdown) (788 to 1050 rpm)	2.6 bar
Manifold pressure (shutdown) (0 to 787 rpm)	1.05 bar
Oil filter differential pressure (alarm)	1.0 bar
Nominal manifold temperature to bearings	(70 °C)
Brake specific oil consumption	0.6 g/kw h
Jacket Water System
Nominal inlet temperature	(85 °C)
Maximum inlet temperature	(90 °C)
Outlet temperature (alarm and derating)	(97 °C)
Pump rise at (85 °C)	3.09 bar
Pump flow capacity	3066 L/min
Aftercooler and Oil Cooler Water System
Nominal inlet temperature	(32 °C)
Inlet temperature (alarm and derating)	(40 °C)
Pump rise	3.29 bar
Pump flow capacity	1816 L/min
Minimum pump inlet pressure	-50 mbar
Starting Air System
Nominal air pressure	12.25 bar
Minimum air pressure	6.9 bar
Maximum air pressure	15.75 bar
Low air pressure (alarm)	9 bar