The YANMAR 3YM30AE is a naturally aspirated 3-cylinder engine that comes with either a marine gear or sail-drive unit, making it ideal for use on sailboat crafts.
Reliable and Easy to Maintain
Providing essential advantages such as effortless upkeep, minimal sound, dependability, and long-lastingness. The YM series of mechanical engines are engineered for use on smaller sailboats and other leisure vessels.
With three models to choose from, these engines are a reliable and proven solution for power needs under 40 mhp. They boast quiet operation and low emissions, conforming to EPA Tier 3 marine regulations since 2009.
The YM series has a straightforward design for easy accessibility on smaller boats, making maintenance a breeze. These engines are also constructed for durability, making them a top choice for both new installations and repowering.
Features
- An ideal solution for smaller recreational boats, the YM series diesel engines are four-stroke, swirl pre-combustion chamber units equipped with liquid coolant systems.
- All naturally aspirated, the full range of 2-cylinder and 3-cylinder models feature indirect injection, in-line pump combustion systems.
- The engines are equipped with a marine gear or sail drive unit.
- The YM series of mechanical, lower output engines complements the largest common rail recreational and light-duty commercial diesel engine line-up on the market.
(Optional Transmissions and Drives shown in images)
Standard Engine Package Includes
- Exhaust mixing elbow [L-type]
- Alternator 12V – 125A
- B20 panel
- Flexible mounts
- Expansion tank for fresh water cooling system
- Electric stop solenoid
- Belt safety cover
Specifications
Rated output 21.3 kw / 29.1 mhp
Rated Speed 3200 rpm
Displacement 1.266 L / 77 cu. in
No. of cylinders 3 cylinders
Cylinder Bore x Stroke 80 mm x 84 mm / 3.15 in x 3.31 in
Combustion system Indirect Injection, In-line Pump
Aspiration Natural
Alternator 12V - 125A
Dry weight without gear 127 kg / 280 lbs
Dimensions 715 mm x 485 mm x 545 mm
Controls Mechanical
Certifications RCD 2 EPA Tier 3 EPA Tier 3C BSO II EMC
NOTES:
1 kW = 1.3596 mhp = 1.34102 bhp
Fuel condition: density at 15°C = 0.842 g/cm³
Technical data is according to (ISO 8665) / (ISO 3046)
Fuel temperature 40°C at the inlet of the fuel injection pump (ISO 8665)
Length includes KM2P-1 marine gear
(Dimensions may vary with other gears/elbow)