Description
The 3YM20 marine diesel engine is engineered for boaters who demand reliability, efficiency, and compact power. With a rated output of 15.3 kW (21 mhp) at 3600 rpm, this 3-cylinder diesel delivers smooth, quiet operation and excellent fuel economy—making it an ideal choice for sailboats, coastal cruisers, and small commercial vessels.
Its 0.854 L displacement and indirect injection system ensure clean combustion and dependable performance, while the natural aspiration design provides simplicity and long-term durability. Equipped with a 12V / 125A alternator, the 3YM20 supports modern onboard electrical systems with ease.
The engine’s dry weight of 110 kg and compact dimensions (694 mm x 463 mm x 600 mm) allow for easy installation in tight engine compartments. Mechanical controls provide straightforward, dependable operation and simple maintenance.
Certified to RCD 2, EPA Tier 3, EPA Tier 3C, BSO II, and EMC, the 3YM20 meets global standards for safety and environmental compliance.
Available through Aframarine, the 3YM20 is a proven marine power solution built to deliver consistent performance in demanding conditions.
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