Marine Engines 720 hp

Engine type

4 cycle, V type, direct injection, watercooled, wet turbo charger and inter-cooler

Rating output (BHP)

kW(PS)@rpm

530(720) @1,800

588(800) @2,100

736(1000) @2,300

Displacement

cc

21,927

Cylinder number - bore x stroke

mm

12 - 128 x 142

Valve clearance cold

In/Ex

mm

0.25 / 0.35

Low idling rpm

rpm

725 ± 25

No load max

rpm

<2,070

<2,415

<2,645

Compression ratio

15 : 1

15 : 1

14 : 6

Firing order

1-12-5-8-3-10-6-7-2-11-4-9

Governor type of injection pump

Mechanical variable speed (RQV)

Fuel inj.nozzle opening pressure

kg/cm2

286

Starting system

Electric start motor

Starter motor capacity

V - kW

24 - 6.6

Alternator capacity

V - A

24 - 50

Battery

V - Ah

24 - 200

Cooling system

Indirect sea water cooling
with heat exchanger

Cooling water capacity (Max/Min)

lit

98 / 87

Fresh water pump type

Centrifugal type, driven
by gear

Sea water pump type

Bronze impeller type driven
by V-belt

Lubricating oil

pan capacity

lit

Max: 40 - Min: 33 - Total: 43

pressure

kg/cm2

Full: 3.5 - Idle: 1.2

Marine gear ratio

2.06, 2.50, 2.92, 3.26,
3.53, 4.08, 4.52

Direction of revolution

crankshaft

Anti-clockwise

propeller

Clockwise

Engine size
(L x W x H)

without M/G

mm

1,653 x 1,222 x 1,199

with M/G

mm

2,263 x 1,222 x 1,250

Dry weight

without M/G

kg

1,750

with M/G

kg

2,460