6LTAA8.9-M300 Marine Engine This product takes full advantage of Cummins' unique experience in in-house technologies such as turbochargers, filters and electronics to provide higher power and reliability, fast transient response and simple maintainability.
I've spoken with several ship owners who have experience in inland waterway transport, and many veteran captains of 1,000-ton cargo ships and engineering vessels specifically request the Cummins 6LTAA 8.9 as their main engine. It's not about brand reputation; it's the trust built through over a decade of experience on rivers and seas.
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This engine is an inline 6-cylinder 8.9-liter unit, following a mature approach of turbocharging and air-to-air intercooling. It doesn't rely on flashy new technologies; it's all about a reliable design proven through countless ship tests. The commonly used 300-horsepower version delivers full power at just 1800 rpm, with peak torque reaching 1295 Nm. The low-speed power is particularly strong, so when weighing anchor under heavy load or navigating against currents, you don't need to floor the accelerator to rev the engine high; the power is readily available, ensuring a steady and stable propulsion without any sudden power loss.
The Cummins 6LTAA8.9 marine engine features an extended-stroke combustion chamber design, ensuring thorough fuel combustion. Even with occasional use of lower-quality marine diesel fuel, it won't easily clog the injectors or produce black smoke. I know an experienced captain who sails the Yangtze River; this engine ran continuously on his ship for almost eight years. Aside from routine filter changes and maintenance, it never underwent major disassembly. It could run for half a month straight in rough seas without shutting down, and it never failed him.
Fuel consumption is also very economical. At full load, it consumes only about 60 liters per hour, while older engines of the same power range often consume 70-80 liters. This translates to savings of several hundred yuan per voyage. The Cummins 6LTAA8.9 marine engine's design is particularly thoughtful. Routine maintenance filters and inspection ports are placed within easy reach. An engineer can complete routine maintenance alone in the engine room in half an hour without needing to climb ladders or wade through hard-to-reach areas, without waiting for a professional repair team from shore.
Product Parameters
|
|
Engine Model |
Rated power/speed |
Max Torque/Speed |
Aspiration |
|
6LTAA8.9Marine Engine |
6LTAA8.9-M300 |
224kW/1800rpm |
1250N.m/1400 rpm |
Turbocharged/Air-air Cooled |
|
6LTAA8.9-M315 |
230kW/2134rpm |
1350N.m/1400 rpm |
Turbocharged/Air-air Cooled |
Compared with other engines in the same class, it has the advantages of lower capital cost, more compact installation and excellent fuel efficiency. Extended service life and more cost-effective rebuilds bring further economic advantages to hard-working vessels that work long hours such as passenger ships, tugboats, inland tugboats, crew boats, dredgers and government patrol boats. Cummins' unique engine design, high power density and available continuous use power allow us to use a familiar vessel design and expand its ability to carry more passengers.
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