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D9-425/500

0

20

40

60

80

100

Fuel consumptionAt calculated propeller load

800 1000 1200 1400 1600 1800 2000 2200 2400 2600

0

20

40

60

80

100

0

5

10

15

20

25

h/lagSUh/sretiL D9-425 Prop exp 3

D9-500 Prop exp 2,5

Rpm

0

50

100

150

200

250

300

350

400

Power

800 1000 1200 1400 1600 1800 2000 2200 2400 2600

0

50

100

150

200

250

300

350

400

0

50

100

150

200

250

300

350

400

450

500

550

cirtem,phWk

Crankshaft power

D9-500

D9-500 exp 2,5

D9-425

D9-425 exp 3,0

Calculated propeller load

Rpm

900

1000

1100

1200

1300

1400

1500

1600

1700

TorqueTorqu e measured a t crankshaft

800 1000 1200 1400 1600 1800 2000 2200 2400 2600

900

1000

1100

1200

1300

1400

1500

1600

1700

100

110

120

130

140

150

160

170

Nm kpmD9-425

D9-500

Rpm

Technical Data

Engine designation D9-425 (R3) D9-500 (R4)

No. of cylinders and configuration in-line 6 in-line 6

Method of operation 4-stroke, direct-injected, turbocharged diesel

engine with aftercoolerBore/stroke, mm (in.) 120/138 (4.72/5.43) 120/138 (4.72/5.43)

Displacement, l (in3) 9.4 (571) 9.4 (571)

Compression ratio 20.2:1 17.4:1

Dry weight bobtail, kg (lb) 1075 (2370) 1075 (2370)

Dry weight with reverse gearZF305A-EB, kg (lb)

1205 (2657)

Crankshaft power, kW (hp) @ 2200 rpm 313 (425)

Crankshaft power, kW (hp) @ 2600 rpm 368 (500)

Max. torque,Nm (lbf.ft) @ 1400 rpm 1651 (1217) 1630 (1202)

Emission compliance IMO NOx, EU IWW, US EPA Tier 2

Recommended fuel to conform to ASTM-D975 1-D & 2-D, EN 590 orJIS KK 2204

Specific fuel consumption,

g/kWh (lb/hph) @ 2200 rpm 222 (0.36)

g/kWh (lb/hph) @ 2600 rpm 217 (0.352)

Flywheel housing/SAE size 14/SAE1

Technical data according to ISO 3046 Fuel Stop Power and ISO 8665. With fuel having an LHV of42700 kJ/kg and density of 840 g/liter at 15 C (60 F).Merchant fuel may differ from this specification which will influence engine power output and fuelconsumption. Ratings R3 & R4, see explanation in Volvo Pentas Sales Guide.

VOLVO PENTAINBOARD DIESEL

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