MARINE DIESEL ENGINES
MARINE DIESEL ENGINES
3YM20 Series
3YM20
Configuration
Series
4-stroke, vertical, water-cooled diesel engine
Maximum output at crankshaft
Configuration
15.3 kW@3600
rpm
4-stroke, vertical, *water
cooled diesel
engine
[21 mhp@3600 rpm]
Displacement
Maximum
output at crankshaft
0.854
ltr rpm
* 15.3 kW (21 mhp)
/ 3600
[52.1 cu in]
Bore x stroke
Continuous
rating output at crankshaft
mm xrpm
74 mm
14.7 kW (20 mhp)70
/ 3489
[2.8 in x 2.9 in]
Cylinders3
Displacement
0.854 L (52.1 cu in)
Combustion system
Indirect injection
70 mm x 74 mm (2.8 in x 2.9 in)
Bore x stroke
Aspiration
Cylinders
Naturel aspiration
3
Starting system
Combustion system
Indirect injection
Alternator
Aspiration
Cooling system
Starting system
Lubrication system
Alternator
Direction of rotation [crankshaft]
Cooling system
Dry weight without gear
Electric starting 12V - 1.4 kW
12V - 125A
Natural aspiration
Fresh water cooling with heat exchanger
Electric starting 12 V - 1.4 kW
Enclosed, forced lubricating system
12 V - 80 A
Counterclockwise viewed from flywheel side
Fresh water cooling with heat exchanger
120 kg
[265 lbs]
Lubrication system
Enclosed, forced lubricating system
EU: RCD
Direction of rotation (crankshaft)
Counter clockwise viewed from flywheel side
US: EPA Tier3
Dry weight without gear
120 kg (265 lbs)
Environmental
EU RCD, BSO II, EPA TIER 3, EMC
NOTE: mounting
Engine
Rubber type flexible mounting
Environmental
Engine mounting
BSO II
EMC
Rubber type flexible mounting
Fuel condition: Density at 15°C = 0.84 g/cm³; 1 kW = 1.3596 mhp = 1.3410 HP
* Fuel
temperature
at the
inlet =
of0.84
the fuel
injection
[ISO
8665:2006]
3; 1kW pump
NOTE:
Fuel
condition: 40°C
Density
at 15°C
g/cm
= 1.3596
mhp
= 1.3410 HP
Technical
data is 40°C
according
ISOof8665:2006/3046-1
* Fuel
temperature
at theto
inlet
the fuel injection pump (ISO 8665)
Technical data is according to ISO 8665 / 3046
Dimensions
(For detailed line-drawings, please refer to our web-site: www.yanmarmarine.com)
Dimensions
Rear view
Right side view
463 mm (18.2 in)
248 mm (9.7 in) 215 mm (8.5 in)
max. 116 mm (4.6 in)
min. 102 mm (4.0 in)
115 mm (4.5 in)
600.3 mm (23.6 in)
Exhaust pipe
o 51 mm (2.0 in)
178.5 mm (7.0 in)
370 mm (14.6 in)
336 mm (13.2 in)
178.5 mm (7.0 in)
693.5 mm (27.3 in)
EN_DS3YM20_0113
3YM20 with KM2P-1 marine gear
3YM20 with KM2P-1 marine gear
www.yanmarmarine.com
www.yanmar.eu
MARINE DIESEL ENGINES
Performance
Curves
Performance
Curves
(Output is according ISO 8665)
Power
Torque
16
14
9
6
12
10
Maximum output at prop shaft
8
6
4
3
Propeller power curve
2
0
0
1600
1800
2000
2200
2400
2600
2800
3000
3200
3400
3600
1.5
5
60
41
50
31
40
1.2
4
0.9
3
0.6
2
0.3
1
21
30
1600
3800
1800
2000
2200
Crankshaft Speed min
2400
2600
2800
3000
3200
3400
3600
0
3800
0
1600
3800
1800
2000
2200
2400
Crankshaft Speed min
-1
2600
2800
3000
3200
3400
Fuel Consumption gal/hr
18
12
51
Fuel Consumption L/hr
20
6
Crankshaft Torque lb-ft
22
Maximum output at crankshaft
Crankshaft Torque Nm
15
Fuel Consumption
70
24
Output (crankshaft/propeller shaft) mhp
Output (crankshaft/propeller shaft) kW
18
3600
Crankshaft Speed min
-1
-1
Marine Gears/Drive
Model
KM2P-1
Constant mesh gear with servo-cone clutch
10 kg (22 lbs)
marine
gears / drive
Type
Dry weight
Model
Reduction ratio (fwd/asn)
Type speed (fwd/asn)
Propeller
Dry weight
Direction
of rotation
(propeller
shaftratio
- fwd)
Reduction
[fwd/asn]
DryPropeller
weight engine
gear/drive
speedand
[fwd/asn]
Length engine and gear/drive
Saildrive (SD20)
Constant mesh gear with dog clutch
30 kg (66 lbs)
KM2P-1
Saildrive [SD20]
2.21/3.06
2.62/3.06
1629/1176
Constant mesh gear
with servo-cone clutch
1374/1176
1118/1176
3.22/3.06
10 kg [22 lbs]
Clockwise
viewed from2.21/3.06
flywheel side
130 kg1629/1176
(287 lbs)
693 mm (27 in)
Direction of rotation
[propeller shaft
- fwd]
Instrument
Panels
2.64/2.64
Constant
mesh gear with dog clutch
1364/1364
2.62/3.06
3.22/3.06
1374/1176
1118/1176
30 kg [66 lbs]
Counter clockwise
viewed from flywheel
side
2.64/2.64
151 kg (333 lbs)
1364/1364
873 mm (34 in)
Clockwise
Counter clockwise
viewed from flywheel side
Dry weight engine and gear/drive
180
Length engine and gear/drive
2-2 2-3
viewed from flywheel side
130 kg [287 lbs]
2-4 2-1
79.5
165
14
2-3
873 mm [34 in]
2-1
+0,5
180 -0,5
+0,5
165 -0,5
5
13.5
151 kg [333 lbs]
2-4
2-2
693 mm [27 in]
MAX +HARNESS
72
14
GAUGE LABEL
Keyless
B panel
4,2±1
+0,5
140 -0,5
125 +0,5
-0,5
125
140
Digital
B-type
instrument Panels
Panel
5
1-5
180.01 mm [7.087 in]
3-3
1-1
3-4
1-3 1-2
3-3
1-5
Type of instrument panel
Type of instrument panel
Digital B-type Panel
Keyless B-type Panel
O
O
O
X
X
X
X
X
O
O
193.95 mm [5.510 in]
Function
1 Switch unit
1-1 Key switch for GLOW/OFF/ON/START (4-position switch)
1-2 Push button switch for engine stop
1-3 Moisture cap for key switch
1-4 Rocker switch for Glow/Stop
1-5 Rocker switch for On/Off/Start
2 Alarm lamp unit
2-1 Battery low charge alarm
2-2 Coolant high temperature alarm
2-3 Lubricating oil low pressure
2-4 Water in sail drive seal alarm
2-5 Water in fuel filter alarm
2-6 Sea water insufficient flow alarm
3 Meters
3-1 Lubricating oil pressure meter
B20 meter
standard
3-2 Coolant temperature
3-3 Hour meter
3-4 Tachometer
4 Audible alarm buzzer
RUBBER SEAL, B PANEL 4 +0,2
2 -0,2
2
LABEL IMPULSE SETTINGS PANEL WITH COVERFOIL
1:1
1-4
Accesories
193.95 mm [5.510 in]
3-4
O
O
O
O
X
X
O
O
O
O
X
X
X
X
O
O
O
X
X
O
O
O
Note: O = Equipped on panel X = Not equipped on panel
• Set of flexible mounts
Standard
Package
• •Exhaust
mixing elbow
[L-type]
Set of flexible
mounts
• •V-belt
safety
coverelbow (L-type)
Exhaust
mixing
• •Expansion
tankcover
for fresh water cooling system
V-belt safety
Expansion
for fresh water cooling system
• •Alternator
12Vtank
- 125A
Alternator
V - 80 A
• •Electric
stop12
solenoid
Electric stop
solenoid
• •Operation
manual
• Operation Manual
• Sensor for instrument panel
Optional accesories
Optional
• Extension wire harness
[4m, 6m, 10m]
• Digital
B Panel
Horizontal
• High-riser mixing elbow
[instead
of L-elbow]
• 3M / 6M Extension Wire harness
• Hot water kit with cocks
• High Riser Mixing Elbow (Instead of L-Elbow)
• Second station harness
• Hot Water Kit 90/180 Cocks
• Propeller cone nut kit•SD20
Dual Harness (For 2nd Station)
• Cone Nut Kit SD20 (For SD20)
• B20-panel
Texts and illustrations are not binding. Yanmar Marine reserves the right to introduce adaptations without prior notification.
www.yanmarmarine.com
NOTE: All data subject to change without notice. Text and illustrations are not binding.
Version: 2011-07
Yanmar Europe BV
www.yanmar.eu
EN_DS3YM20_0113
Standard engine package
Accessories