Cummins 6LTAA8.9-M315 tugboat/yacht marine engine
For high load and long flight time requirements, the 6LTAA8.9-M315 adopts dual-loop cooling technology (Dual-Loop Cooling System), which independently manages the heat dissipation path of the cylinder liner and turbocharger to ensure continuous full power operation at an ambient temperature of 45°C. The innovative variable geometry turbine (VGT) dynamically adjusts the blade angle through the ECU, and the low-speed torque is increased by 18% compared with traditional models, which is particularly suitable for heavy-load scenarios such as trawlers and fireboats.
Cummins 6LTAA8.9-M315 marine engine parameters
Durable design: 50,000-hour overhaul cycle, equipped with centrifugal oil filter (filtration accuracy 5μm).
Fuel system: 2,500Bar ultra-high pressure common rail injection + piezoelectric injector, atomization efficiency increased by 22%.
Vibration Control: Three-stage balance shaft + silicone shock-absorbing base, cabin noise ≤78 dB(A).
Electrical Compatibility: 24V/12V dual voltage generator, supports 300A marine equipment parallel power supply.
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