Yanmar Engines

Yanmar engines go further and they work harder, year after year.

Yanmar diesel engines are renowned for their rugged reliability. With their economical operation and reduced downtime, it's little wonder that successful water sports professionals rely on Yanmar for enduring power. Little wonder that major charter fleet operators turn to Yanmar. Little wonder that award-winning boat designers specify Yanmar from the start.

The Yanmar Marine range includes the single cylinder 1GM10 (9hp), the YM series (14hp, 21hp & 29hp) and the recently-revised JH series (39hp, 54hp, 75hp & 110hp). All Yanmar engines up to 75hp are available with a saildrive.

The new BY series of engines is the latest generation of Yanmar diesels with four- and six-cylinder models (150hp, 180hp, 220hp & 260hp) whilst the 6LPA is available as a 315hp six-cylinder. All these engines are available as sterndrives with a choice of the Bravo 1, 2 or 3 drives. Please contact us for details of the LY series (370-480hp), LY3 series (380-480hp) and SY series (720-900hp).

GM Series

Yanmar GM Series

The Yanmar 1GM10 is well-known as a reliable and dependent workhorse for smaller yachts and launches and it is a best seller across the world. Its compact dimensions and light weight make it the ideal engine for a tight installation. The revised 1GM10 features a larger flywheel to maintain smooth running and easy starting.

Please contact us for a competitive quote for any Yanmar diesel engine.

Model Power Capacity Alternator Gearbox ratios Weight Dimensions
L x W x H
Download
spec sheet
1GM10 9hp
3,600rpm
319cc 12v / 35A 2.21:1
2.62:1
3.22:1
76kg 696 x 371 x 485mm PDF

YM Series

Yanmar YM Series

The YM series comprises the two-cylinder engines 14hp 2YM15 and the three-cylinder 21hp 3YM20 and 29hp 3YM30. These big displacement Yanmar diesels give more power, easy starting and outstanding torque at low engine speeds. The new design means quieter, smoother and cleaner running than precious generations, yet with traditional Yanmar values of quality and dependability.

The new Yanmar 3YM30 AE is introduced in 2015 and features the same power output at its predecessor at a lower rpm for improved quietness, as well as a larger capacity engine block for improved torque and reliability.

With the added benefit of simplified maintenance due to the new location of the sea-water pump and all other service points being together near the engine front these units no doubt are already on track to be recognized as the best-in-class auxiliary power for sailboats and tough, reliable primary power for small motor craft.

Please contact us for a competitive quote for any Yanmar diesel engine.

Model Power / Capacity Alternator Gearbox ratios Weight Dimensions
L x W x H
Download
spec sheet
2YM15 14hp
3,600rpm
570cc 12v / 60A 2.21:1
2.62:1
3.22:1
113kg 613 x 370 x 600mm PDF
3YM20 21hp
3,600rpm
854cc 12v / 60A 2.21:1
2.62:1
3.22:1
120kg 693 x 485 x 600mm PDF
3YM30 29hp
3,600rpm
1,115cc 12v / 60A 2.21:1
2.62:1
3.22:1
133kg 715 x 485 x 715mm PDF
3YM30 AE 29hp
3,200rpm
1,266cc 12v / 120A 2.21:1
2.62:1
3.22:1
127kg 715 x 485 x 600mm PDF

JH Series

Yanmar JH Series

The JH series of three-cylinder and four-cylinder engines comprises five engines of 39hp, 54hp, 75hp, 100hp and 125hp. These compact mid-range power plants include the naturally aspirated 3HJ4-E and 4JH4-E as well as the turbo-charged 4JH3-TE, 4JH3-HTE and 4JH3-DTE.

The new Yanmar 4JH57, 4JH80 and 4JH110 engines bring Common Rail diesel technology to the JH range, with improved alternator capacities.

A long, trouble-free engine life is a common reason for choosing Yanmar: worldwide parts backup and quick response times make for minimum downtime. These engines are again and again the favoured choice of bluewater yachtsman and boat owners the world over.

Please contact us for a competitive quote for any Yanmar diesel engine.

Model Power Capacity Alternator Gearbox ratios Weight Dimensions
L x W x H
Download
spec sheet
3JH5-E 39hp
3,000rpm
1,642cc 12v / 80A 2.36:1
2.61:1
185kg 770 x 518 x 623mm PDF
4JH5-E 53hp
3,000rpm
2,190cc 12v / 80A 2.36:1
2.61:1
213kg 871 x 560 x 625mm PDF
4JH57 53hp
3,000rpm
2,190cc 12v / 125A 2.36:1
2.61:1
213kg 870 x 560 x 627mm PDF
4JH4-TE 75hp
3,200rpm
1,995cc 12v / 80A 2.15:1
2.70:1
235kg 903 x 660 x 659mm PDF
4JH80 80hp
3,200rpm
1,995cc 12v / 125A 2.15:1
2.70:1
229kg 903 x 660 x 659mm PDF
4JH4-HTE 110hp
3,200rpm
1,995cc 12v / 80A 2.15:1
2.70:1
245kg 933 x 616 x 659mm PDF
4JH110 110hp
3,200rpm
1,995cc 12v / 125A 2.15:1
2.70:1
229kg 933 x 616 x 659mm PDF
4JH3-DTE 121hp
3,800rpm
1,995cc 12v / 80A 2.15:1
2.70:1
260kg 1001 x 580 x 660mm PDF

Saildrives

Yanmar Saildrives

Yanmar engines up to 75hp are available with a saidrive unit, either the SD20 or SD50. This is double-sealed for extra protection and features the Aqua Sensor to identify potential problems before they occur.

A mounting plinth (pictured left) may also be supplied as an option, otherwise the engine and saildrive may be installed onto custom-made engine beds.

Please contact us for a competitive quote for any Yanmar diesel engine.

Engine Power Saildrive Alternator Gearbox ratio Propeller speed Weight Download
spec sheet
1GM10 9hp
3,600rpm
SD20 12v / 35A 2.64:1 1,287rpm 104kg PDF
2YM15 14hp
3,600rpm
SD20 12v / 60A 2.64:1 1,321rpm 134kg PDF
3YM20 21hp
3,600rpm
SD20 12v / 60A 2.64:1 1,321rpm 151kg PDF
3YM30 29hp
3,600rpm
SD20 12v / 60A 2.64:1 1,321rpm 157kg PDF
3JH5E 39hp
3,000rpm
SD50 12v / 80A 2.32:1 1,253rpm 213kg PDF
4JH5E 54hp
3,000rpm
SD50 12v / 80A 2.32:1 1,253rpm 240kg PDF
4JH4TE 75hp
3,200rpm
SD50T 12v / 80A 2.32:1 1,379rpm 261kg PDF

BY Series

Yanmar BY Series

The new BY series engines are based on four-cylinder and six-cylinder lightweight and compact BMW engines. The engines use a second-generation common rail fuel system to comply with the exhaust regulations of the RCD and give acceleration performance equivalent to gasoline engines in the same class. The four-cylinder models are available at 150hp and 180hp and the six-cylinder models at 220hp and 260hp.

Please contact us for a competitive quote for any Yanmar diesel engine.

Model Power Capacity Alternator Gearbox ratios Weight Dimensions
L x W x H
Download
spec sheet
4BY150 150hp
4,000rpm
1,995cc 12v / 150A 1.53:1
2.04:1
2.45:1
2.62:1
285kg 940 x 747 x 740mm PDF
4BY180 180hp
4,000rpm
1,995cc 12v / 150A 1.53:1
2.04:1
2.45:1
2.62:1
285kg 940 x 747 x 740mm PDF
6BY220 220hp
4,000rpm
2,993cc 12v / 150A 1.53:1
2.04:1
2.45:1
345kg 1123 x 747 x 740mm PDF
6BY260 260hp
4,000rpm
2,993cc 12v / 150A 1.53:1
2.04:1
2.45:1
345kg 1123 x 747 x 740mm PDF

LP Series

Yanmar LP Series

The LP Series comprises the six-cylinder engines 315hp 6LPA, which is light in weight and small in size. This engine contains many high performance features sure to appeal to the serious motorboater. The overhead cam design develops max hp at higher revs, allowing smaller, smoother running propellers, while a waste-gated water-cooled turbo really makes things happen when the throttle is put down hard.

Please contact us for a competitive quote for any Yanmar diesel engine.

Model Power Capacity Alternator Gearbox ratios Weight Dimensions
LxWxH
Download
spec sheet
6LPA-STP 315hp
3,800rpm
4,164cc 12v / 80A 1.22:1
1.56:1
2.52:1
452kg 1205 x 700 x 812mm PDF

Sterndrives

Yanmar Sterndrive Series

Engines from the BY and LP series are available as sterndrive units, ranging from 150hp to 315hp and with a choice of Mercruiser Bravo sterndrives. Combining a Yanmar Diesel with a MerCruiser sterndrive gives a wide variety of engine and propulsion unit choices to better suit your boating needs. Installation is straightforward, either for a new boat or for re-powering.

Note: weights are given without fluids and lubricants, with the heaviest sterndrive (Bravo 3); the Bravo 1 weighs approximately 10kg less.

Please contact us for a competitive quote for any Yanmar diesel engine.

Engine Power Capacity Sterndrive Alternator Weight Download
spec sheet
4BY150 150hp 1,995cc Bravo 1
Bravo 2
Bravo 3
12v / 150A 348kg PDF
4BY180 180hp 1,995cc Bravo 1
Bravo 2
Bravo 3
12v / 150A 348kg PDF
6BY220 220hp 2,993cc Bravo 1
Bravo 2
Bravo 3
12v / 150A 408kg PDF
6BY260 260hp 2,993cc Bravo 1
Bravo 2
Bravo 3
12v / 150A 408kg PDF
6LPA-STZP 315hp 4,164cc Bravo 1
Bravo 2
Bravo 3
12v / 80A 526kg PDF
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Note: all specifications are subject to change without notice. Please contact us for details of prices and any further information.


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