Installation manual
SPECIFICATIONS
550
ENGINE
SPECIFICATIONS
Engine
Type
Displacement
Combustion
Type
Combustion
System
Bore
&
Stroke
Max.
Angle
of
Installation
Max.
Angle
of
Rotation
Firing
Order
Direction
of
Rotation
Propeller
Shaft
Compression
Ratio
Aspiration
Engine
Speed
Fuel
Consumption
Dimensions
~
inches
(mm)
Engine
Only
Weight
Air
Flow
Diesel,
water
cooled,
four
cycle,
four
cylinder,
in-line
overhead
valve
type
-
133
cubic
inches
(2.179
liter)
In-direct
injection
Swirl
chamber
3.35
x
3.78
inches
(85
x
96
mm)
Notto
exceed
W
Not
to
exceed
30°
for
30
minutes
1-3-4-2
Counterclockwise,
when
viewed
from
flywheel
Right
hand
direction
of
rotation
21
:5:1
Naturally
Aspirated
Idle
speed:
950-1000
RPM
Cruising
Speed:
1800-2200
RPM
No
load
speed:
2750
RPM
(+
or-)
1.6
U.S.
gph
running
at
2200
RPM
(approx)
when
the
propeller
used
allows
the
engine
to
turn
at
2600
RPM
at
full
open
throttle
underway
in
forward
Height:
23.9
inches
Width:
21.0
inches
.
Length:
35.4
inches
448
Ibs
(203.2
kgs)
(592
mrn)
(472
mm)
(687
mm)
Engine
Combustion:
100
elm
(2.8
cmn)
Engine
Cooling:
100
cfm
(2.8
cmm)
TUNE-UP
SPECIFICATIONS
Compression
Pressure
Valve
liming
Intake
Opens
Intake
Closes
Injection
Timing
Nozzle
Injector
Pressure
Valve
Clearance
(engine
cold)
441
psi
(3.04
MPa)
Open
at
15
0
BTDC
-
Close
29
0
ABDC
Open
at
40
0
BTDC
-
Close
16
0
ATDC
8
0
BTDC
1920
psi
(13.2
MPa)
0.0157
inches
(0.4
mm)
ELECTRICAL
SYSTEM
Starting
Battel)!
Battel)!
Capacity
DC
Charging
Alternator
Starting
Aid
Starter
Cold
Cranking
Amps
Alternator
Regulator
Exhaust
Elbow
Exhaust
Hose
Size
Exhaust
Gas
Flow
Muffler
Size
(min.)
12
Volt,
H
negative
ground
400
-
600
CCA
(min.)
50
Amp
rated,
belt-driven
-12V
Glow
plugs,
12V
sheathed
12
Volt,
1.8
IIiN
with
solenoid
175
-
200
Amps
Internal
regulator,
built
into
alternator
EXHAUST
SYSTEM
45
0
elbow
9
(#044876)
3.0"
I.D.
hose
230
cim
at
2600
RPM
14"
x
14"
General
Fuel
Fuel
Injection
Pump
Injectors
Fuel
Filter
Air
cleaner
Fuel
Lift
Pump
General
Operating
Temperature
Fresh
Water
Pump
Raw
Water
Pump
System
Capacity
Sea
Water
Flow
at
2600
rpm
FUEL
SYSTEM
Self
bleeding
Diesel
fuel
#2
(cetane
rating
of
45
or
higher).
BOSCH,
PFR
type
Throttle
type
Primary,
full
flow,
spin-on
element
Replaceable
paper
cartridge.
Solid
state
with
external
filter
COOLING
SYSTEM
Fresh
water-cooled
with
lube
and
shell
type
heat
exchanger.
170
-190
0
F
(77
-
88'
C)
Centrifugal
metal
impeller
type
belt-driven.
Positive
displacement,
rubber
impeller,
belt-driven.
7.25
US
qts
(6.86
liters)
7.0
-
7.3
gpm
(26.5
-
27.6Ipm)
(measured
before
discharging
into
water
injected
exhaust
elbow)
LUBRICATION
SYSTEM
General
Oil
Filter
Sump
Capacity
(not
including
filter)
Operating
Oil
Pressure
(engine
hot)
Oil
Grade
Oil
Cooler
General
clutch
Forced
lubrication
by
Trochoid
type
pump
Full
flow
spin-on
8.9
U.S.
qts
(8.4
liters)
43
-
85
psi
(290
-
590
KPa)
API
Specification
CF
or
CG-4,
SAE
30
15W-40
Fresh
water
cooled
TRANSMISSION
ZF
Marine
Transmission,
case
hardened,
helical
gears,
with
a
servo-operated
multiple
disc
Gear
Ratio
(standard)
1:88:1
(ZF25M)
Propeller
Recommendations
18
x
12P-2blade
(RH)
or
18
x
10P
3
blade
(RH)
(Propeller
used
should
allow
the
engine
to
reach
its
full
rated
RPM
(2600
+
000
-100)
at
full
open
throttle
while
underway
in
forward
gear)
Lubricating
Fluid
Transmission
Sump
Capacity
Automatic
transmission
fluid,
type
Dexron
II
or
III
0.75
U.S.
qts.
(0.79
liters)
Engines & Generators
49A