YANMAR America has announced the introduction of its new EPA Tier III compliant commercial marine diesel engine. Rated at 755 mHP and 1900 RPM, the new 20.38-liter 6AYAM-ET uses a fully mechanical control system for easy servicing and reliable performance.
The four-cycle, in-line six-cylinder 6AYAM-ET offers several key features and benefits that make it a top choice for commercial vessel operators. First, the torque characteristics allow for stable cruising with the least amount of speed reduction even with sudden load changes. The engine also offers its globally acclaimed low fuel consumption and a continuous rating suitable for river push boats, tugboats, trawlers and other applications with uninterrupted operations or load cycles. Plus, a 500-hour service interval aided by a purpose-built marine design featuring a long stroke, water cooled exhaust manifold, special coated liner and nodular cast iron piston with coated piston rings assure minimum downtime to keep vessels on the water and out of the shop.
To comply with emissions regulations, the 6AYAM-ET uses an internal exhaust gas recirculation (EGR) system. This design does not require any external control devices or significant engine structure changes. In addition, the micro-sized multiple holes in the all-new injectors produce an even finer fuel mist, which combined with a unique combustion chamber, consistently produce more power while also lowering exhaust emissions and fuel consumption.
In addition to the engine, YANMAR also supplies original marine gears that can be adapted to a wide range of applications for better performance and easier maintenance.
As with all YANMAR commercial engines, this new engine is approved by leading Marine Class Societies.
Source and Image Credit: YANMAR
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