Chapter 2 Basic Engine
4. Cylinder Head
,4LHA Seriei
Engine
model
4LHA-HTP
4LHA-HTZP
Type
Vertical
water cooled 4-cycle diesel engine
No.
of cylinders
4
Bore
X Stroke mm
100X110
Displacement
3.455
Fuel
stop power at crankshaft
kw(hp)/rpm
*118
(160)7 3300
**113
(154)
7
3300
Cont.
power at crankshaft.
kw(hp)/rpm
91.2/(124)7 3100
High
idling rpm
3700
± 25
Low
idling rpm
750
± 25
Combustion
system
Direct
injection
Starting system
Electric
starting (12V-2.5kW)
Charging
system
Regulator
built
in Alternator
DC12V-55A
Cooling
system
Constant
high
temperature
fresh
water
cooling
(2
systems:
sea
&
fresh water)
Lubrication
system
Forced
lubrication system
with
trochoidal gear pump
Direction
of rotation (crankshaft)
Counter-clockwise
(viewed from flywheel side)
Lube
oil capacity
All
13.0
Lube
oil capacity
Oil
pan
10.0
Cooling
water capacity
15
(Engine), 0.8 (Sub-tank)
Turbocharger
Model
RHC61W(IHI
made)
Turbocharger
Type
Water
cooled turbine housing
Dimensions
(L
X
W
X
H)
(gear less) mm
937X681X741
1039X777X830
Dry
mass (gear less) kg
360
388
Recommended
battery capacity
12VX120Ah
Recommended
type of remote control
handle
Single
lever type only
Engine
installation style
On
the flexible engine mount
(Note) 1. Rating condition : ISO 3046-1, 8665 2.
1
hp = 0.7355 kW
3.
Fuel
condition : Density at 15°C = 0.860,
Fuel
oil temperature *:
25
0
C
at the fuel.injection pump inlet
**: ISO 8665 (Fuel oil temp. 40°C at the fuel injection pump
inlet)
•
Marine
gear
(Optional)
Model
HURTH
HSW450A2
MERCRUISER
Model
HURTH
HSW450A2
Bravo
X-1
Bravo
X-2
Bravo
X-3
Type
8° down
Hydraulic
Stern
drive
Available
engine
4LHA-HTP
4LHA-HTZP
Reduction
ratio
(Both ahead and astern)
1.26
1.36
1.50
1.36
Reduction
ratio
(Both ahead and astern)
1.51
1.50
1.65
1.50
Reduction
ratio
(Both ahead and astern)
2.03
1.65
1.81
1.65
Reduction
ratio
(Both ahead and astern)
2.43
2.00
1.81
Reduction
ratio
(Both ahead and astern)
2.20
2.00
Reduction
ratio
(Both ahead and astern)
2.20
For
further
detail,
refer to the maker's manual
1-12-2