MARINE / DIESEL ENGINES / 3YM30

3YM30Max. Output at Crankshaft 29 mhp / 3,600 rpm

Total Displacement 1.115 L

Configuration 4-stroke cycle

Cylinders 3

Engine Weight 271 lbs

Quick Specs

80A Alternator Once an option, and now standard, it helps deliver maximum power for the cruising boater’s needs.

Saildrive Option A popular feature for those interested in reducing drag and increasing performance.

Convenient Service Points Makes it easy to perform routine maintenance or handle unexpected repairs.

Belt safety guard provides complete protection from belts and moving components

Seawater drain valves make it easy to winterize or drain water for maintenance operations

High-quality two-part urethane paint protects surfaces from rust

Legendary Reliability. Compact. Light Weight.Yanmar engines are designed for high performance and maximum engine life.

Tested under the most extreme conditions, you can always count on them to deliver

the power you need day in and day out, year after year. It’s simply the best power

package available for new vessels and re-power applications.

Configuration 4-stroke, 3 cylinder, vertical, water cooled diesel engine

Maximum output at crankshaft 29.1 mhp (21.3 kW) / 3600 rpm

Continuous rating output at crankshaft 27.3 mhp (20.1 kW) / 3489 prm

Displacement 1.115 L (68 cu in)

Bore x stroke 2.9 in x 3.2 in (76 mm x 82 mm)

Aspiration Natural aspiration

Alternator 12 V - 80 A

Cooling system Fresh water cooling with heat exchanger

Direction of rotation (crankshaft) Counter clockwise viewed from stern

Dry weight without gear 271 Lbs (123 Kg)

Environmental Certification Meets the comprehensive emissions regulations in EU and US.

Engine mounting Flexible type isolators

NOTE: Fuel condition: Density at 15°C = 0.84 g/cm 3; 1kW = 1.3596 mhp = 1.3410 HP* Fuel temperature 40°C at the inlet of the fuel injection pump (ISO 8665)Technical data is according to ISO 8665 / 3046

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Yanm

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Corp

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ME-

3YM

30-S

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WWW.US.YANMAR.COM

3YM30 specifications

Rear View Right Side View

specifications

Configuration 4-stroke, vertical, water cooled diesel engine

Maximum output at crankshaft * 21.3 kW (29.1 mhp) / 3600 rpm

Continuous rating output at crankshaft 20.1 kW (27.3 mhp) / 3489 rpm

Displacement 1.115 L (68 cu in)

Bore x stroke 76 mm x 82 mm (2.9 in x 3.2 in)

Cylinders 3

Combustion system Indirect injection

Aspiration Natural aspiration

Starting system Electric starting 12 V - 1.4 kW

Alternator 12 V - 60 A

Cooling system Fresh water cooling with heat exchanger

Lubrication system Enclosed, forced lubricating system

Direction of rotation (crankshaft) Counter clockwise viewed from flywheel side

Dry weight without gear 123 kg (271 lbs)

Environmental EU RCD US EPA Tier2, BSO II & EMC

Engine mounting Rubber type flexible mounting

NOTE: Fuel condition: Density at 15°C = 0.84 g/cm 3; 1kW = 1.3596 mhp = 1.3410 HP * Fuel temperature 40°C at the inlet of 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)

115

mm

(4.5

in)

370 mm (14.6 in)

545

mm

(21.

5 in

)

215 mm (8.5 in)247 mm (9.7 in)

max

. 11

6 m

m (4

.6 in

)m

in.

102

mm

(4.0

in)

182 mm (7.2 in)

355mm(14.0 in)

178.5 mm(7.0 in)

Exhaust pipeo 51 mm (2.0 in)

3YM30 with KM2P-1 marine gear

715.5 mm (28.2 in)

462 mm (18.2 in)Right side viewFront view

Yanmar type 3YM30

Configuration 4-stroke, vertical, water cooled diesel engine

Maximum output at crankshaft * 21.3 kW (29.1 mhp) / 3600 rpm

Continuous rating output at crankshaft 20.1 kW (27.3 mhp) / 3489 rpm

Displacement 1.115 L (68 cu in)

Bore x stroke 76 mm x 82 mm (2.9 in x 3.2 in)

Cylinders 3

Combustion system Indirect injection

Aspiration Natural aspiration

Starting system Electric starting 12 V - 1.4 kW

Alternator 12 V - 60 A

Cooling system Fresh water cooling with heat exchanger

Lubrication system Enclosed, forced lubricating system

Direction of rotation (crankshaft) Counter clockwise viewed from flywheel side

Dry weight without gear 123 kg (271 lbs)

Environmental EU RCD US EPA Tier2, BSO II & EMC

Engine mounting Rubber type flexible mounting

NOTE: Fuel condition: Density at 15°C = 0.84 g/cm 3; 1kW = 1.3596 mhp = 1.3410 HP * Fuel temperature 40°C at the inlet of 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)

115

mm

(4.5

in)

370 mm (14.6 in)

545

mm

(21.

5 in

)

215 mm (8.5 in)247 mm (9.7 in)

max

. 11

6 m

m (4

.6 in

)m

in.

102

mm

(4.0

in)

182 mm (7.2 in)

355mm(14.0 in)

178.5 mm(7.0 in)

Exhaust pipeo 51 mm (2.0 in)

3YM30 with KM2P-1 marine gear

715.5 mm (28.2 in)

462 mm (18.2 in)Right side viewFront view

Yanmar type 3YM30

PERFORMANCE CURVES

0

4

8

12

16

20

24

1750 2000 2250 2500 2750 3000 3250 3500 3750

0

5

10

15

20

25

30Maximum output at crankshaft

Maximum output at prop shaft

Propeller power curve

0

2

4

6

8

1750 2000 2250 2500 2750 3000 3250 3500 3750

0

0.5

1

1.5

2

Marine Gears/Drive

Performance Curves (Output is according ISO 8665)

Power Torque Fuel Consumption

Instrument Panels

Type of instrument panel

Function Digital B-type Panel1 Switch unit

1-1 Key switch for GLOW/OFF/ON/START (4-position switch) O1-2 Push button switch for engine stop O1-3 Moisture cap for key switch O2 Alarm lamp unit

2-1 Battery low charge alarm O2-2 Coolant high temperature alarm O2-3 Lubricating oil low pressure O2-4 Water in sail drive seal alarm O2-5 Water in fuel filter alarm X2-6 Sea water insufficient flow alarm X3 Meters

3-1 Lubricating oil pressure meter X3-2 Coolant temperature meter X3-3 Hour meter O3-4 Tachometer O4 Audible alarm buzzer O

Note: O = Equipped on panel X = Not equipped on panel

Standard Package• Set of flexible mounts• Exhaust mixing elbow (L-type)• V-belt safety cover• Expansion tank for fresh water cooling system• Alternator 12 V - 60 A• Electric stop solenoid

Optional• Digital B Panel Horizontal (Key switch or Rocker switch Keyless)• 3M / 6M Extension Wire harness• High Riser Mixing Elbow (Instead of L-Elbow)• Alternator 80A + Belt Cover (Instead of 60A)• Hot Water Kit 90/180 W/O Cock• Hot Water Kit 90/180 Cocks• Dual Harness (For 2nd Station)• Cone Nut Kit SD20 (For SD20)

Accessories

1-1 1-33-4 3-3

2-2 2-3 2-4 2-1

DigitalB-typePanel

Outp

ut (c

rank

shaf

t/pro

pelle

r sha

ft) k

W

Cran

ksha

ft To

rque

Nm

Cran

ksha

ft To

rque

lb-

ft

Fuel

Con

sum

ptio

n L/

hr

Fuel

Con

sum

ptio

n ga

l/hr

140

125

79.5180

165 145

13.5

Crankshaft Speed min-1 Crankshaft Speed min-1 Crankshaft Speed min-1

Texts and illustrations are not binding. Yanmar Marine reserves the right to introduce adaptations without prior notification.

1-2

Model KM2P-1 Saildrive (SD20)

Type Constant mesh gear with servo-cone clutch Constant mesh gear with dog clutch

Dry weight 10 kg (22 lbs) 30 kg (66 lbs)

Reduction ratio (fwd/asn) 2.21/3.06 2.62/3.06 3.22/3.06 2.64/2.64

Propeller speed(fwd/asn) 1629/1176 1374/1176 1181/1176 1364/1364

Direction of rotation Clockwise Counter clockwise(propeller shaft - fwd) viewed from flywheel side viewed from flywheel side

Dry weight engine and gear/drive 133 kg (293 lbs) 157 kg (346 lbs)

Length engine and gear/drive 715 mm (28 in) 895 mm (35 in)

www.yanmarmarine.com

Outp

ut (c

rank

shaf

t/pro

pelle

r sha

ft) m

hp

50

60

70

80

1750 2000 2250 2500 2750 3000 3250 3500 3750

37

42

47

52

57

Version: 2008-10

0

4

8

12

16

20

24

1750 2000 2250 2500 2750 3000 3250 3500 3750

0

5

10

15

20

25

30Maximum output at crankshaft

Maximum output at prop shaft

Propeller power curve

0

2

4

6

8

1750 2000 2250 2500 2750 3000 3250 3500 3750

0

0.5

1

1.5

2

Marine Gears/Drive

Performance Curves (Output is according ISO 8665)

Power Torque Fuel Consumption

Instrument Panels

Type of instrument panel

Function Digital B-type Panel1 Switch unit

1-1 Key switch for GLOW/OFF/ON/START (4-position switch) O1-2 Push button switch for engine stop O1-3 Moisture cap for key switch O2 Alarm lamp unit

2-1 Battery low charge alarm O2-2 Coolant high temperature alarm O2-3 Lubricating oil low pressure O2-4 Water in sail drive seal alarm O2-5 Water in fuel filter alarm X2-6 Sea water insufficient flow alarm X3 Meters

3-1 Lubricating oil pressure meter X3-2 Coolant temperature meter X3-3 Hour meter O3-4 Tachometer O4 Audible alarm buzzer O

Note: O = Equipped on panel X = Not equipped on panel

Standard Package• Set of flexible mounts• Exhaust mixing elbow (L-type)• V-belt safety cover• Expansion tank for fresh water cooling system• Alternator 12 V - 60 A• Electric stop solenoid

Optional• Digital B Panel Horizontal (Key switch or Rocker switch Keyless)• 3M / 6M Extension Wire harness• High Riser Mixing Elbow (Instead of L-Elbow)• Alternator 80A + Belt Cover (Instead of 60A)• Hot Water Kit 90/180 W/O Cock• Hot Water Kit 90/180 Cocks• Dual Harness (For 2nd Station)• Cone Nut Kit SD20 (For SD20)

Accessories

1-1 1-33-4 3-3

2-2 2-3 2-4 2-1

DigitalB-typePanel

Outp

ut (c

rank

shaf

t/pro

pelle

r sha

ft) k

W

Cran

ksha

ft To

rque

Nm

Cran

ksha

ft To

rque

lb-

ft

Fuel

Con

sum

ptio

n L/

hr

Fuel

Con

sum

ptio

n ga

l/hr

140

125

79.5180

165 145

13.5

Crankshaft Speed min-1 Crankshaft Speed min-1 Crankshaft Speed min-1

Texts and illustrations are not binding. Yanmar Marine reserves the right to introduce adaptations without prior notification.

1-2

Model KM2P-1 Saildrive (SD20)

Type Constant mesh gear with servo-cone clutch Constant mesh gear with dog clutch

Dry weight 10 kg (22 lbs) 30 kg (66 lbs)

Reduction ratio (fwd/asn) 2.21/3.06 2.62/3.06 3.22/3.06 2.64/2.64

Propeller speed(fwd/asn) 1629/1176 1374/1176 1181/1176 1364/1364

Direction of rotation Clockwise Counter clockwise(propeller shaft - fwd) viewed from flywheel side viewed from flywheel side

Dry weight engine and gear/drive 133 kg (293 lbs) 157 kg (346 lbs)

Length engine and gear/drive 715 mm (28 in) 895 mm (35 in)

www.yanmarmarine.com

Outp

ut (c

rank

shaf

t/pro

pelle

r sha

ft) m

hp

50

60

70

80

1750 2000 2250 2500 2750 3000 3250 3500 3750

37

42

47

52

57

Version: 2008-10

MARINE GEARS/DRIVE

Instrument Panels B and C (Optional)

RPM x 1000

0

1

2 3

4

5-      +

40

60

80

100

120

0

2

4 6

8

10

STOP

Model KM2P-1 Saildrive (SD20)

Type Constant mesh gear with servo-cone clutch

Constant mesh gear with dog clutch

Dry weight 22 lbs (10 kg) 66 lbs (30 kg)

Reduction ratio(fwd/asn)

2.21/3.06 2.21/3.06 3.22/3.06 2.64/2.64

Propeller speed(fwd/asn)

1629/1176 1374/1164 1118/1164 1364/1364

Direction of rotation from the stern Clockwise viewed from

flywheel side

Clockwise / Counterclockwise viewed

from flywheel side

Dry weight - engine & gear

356 lbs (133 kg) 420 lbs (157 kg)

Length engine and gear/drive

28 in (715 mm) 35 in (895 mm)