Specifications
•
2. Product explanation
2.2 Engine Specifications
2.2.1 Direct Seawater Cooling Type, GM series
I Engine Model
____
_
~
--
---
2GM20
Vert•cal4·cycle
-
+--------
I
3GM30
water cooled diesel engine
CombuStiOn system
------------4---------+-----
combustion chamber
Swart
pre-
Number
of
cylinders
Bore
x s
tr
oke
mm
(ln
.)
Displacement
(!;u.m
.)
OutpuVcrankshaft
kW/rpm
speed
IHP/mml
Continuous
Brake
mean
kg/em
rating output effectiVe pressure
(lb./in.
1
Piston speed
m/sec.
(ft./sec.\
OutpuVcrankshaft
kW/rpm
One
hour
speed
HP
/rR.m
rating output
Brake mean
kg/em
effective pressure
~
lb./in.)
Piston speed
m/sec
.
(11./sec.)
Compression ratio
Fuel injecti
on
tim
1ng
(b.T.D.C.)
Fuel injection pressure
kg/em
jlb.lin
)
Main
power
take
off
----
---
Front
power
take
off
-----
Direction
of
Crankshaft
rotation
Propeller shaft (Ahead)
~--~---
Cooling
sys
tem
------
Lubrication system
~-'-'---
Startang
system
M
ar
ine
gear
sys
tem
Type
Starting
motor
AC generator
Model
Typ
e
Reduction
ratio
Forward
Reverse
---.
----
--
Forward
rpm
~;_:_:=--j--
Propeller
speed
Reverse
Lubricating
oaf
capacity
Weight
rpm
(cu.an.)
kg (lb.)
2
+--
----
-
75 X
3
72 (2.95
X 2.83)
0.636 (38.81)
I
0 954 (58.21)
11
.8/3400
I
17 7/3400
(16.0/3400)
(24 1/3400)
6.66
(94.7
1)
8.16
(26.77)
13.
4/3600
20.1/3600
(
18
.2/3600) (27.313600)
7.07
(100.54)
8.
64
(28.35)
23.0
15±1
18
±1
-
170:5
(234 7 - 2489)
at
Flywheel side
shaft V
-p
ulley side
kw
ise viewed from
stem
e viewed fr
om
stern
at
Crank
Counter-cloc
Cl
ockw
is
Dttect seawater
coo
ll
Complete enc
Elec
DC
ng
_(
rubber I
mpe
ll
er
wa
t
er
p
um
p)
Josed
forced lubncauon
tnc
and
manual
12V,
1.0kW
12V.
SSA
KM2P
1 KM3P
e cl
utch
with
single stage
ahead and astern
.22
2.21 2.62
I
3.20
.06
3.06 3.06
3.16
1540
1298
1063
113
I
1113
1113
1076
0.3
(18.31}
0.
35(21
.36)
10.3 (22.71)
11.5(25
.
361
Overa
lll
eng
lh
-----
mm
(in.)
mm
(ln.)
mm
Qn.)
735
(28.9)
740(29
13)
...;_
Dimensions
Overall width
455 (17.91)
455(11.91)
Overall height 495 (
1950)
~95(19
5())
2.6 (158 65)
2.6(15865l
1.6 (97.63)
161'3763)
129 (283.8)
1301280)
9