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What Causes Loud Noise When Shifting Gears in Marine Gearboxes?

1 Answers

NadiaAnn

09/04/25 7:14am

Loud noise when shifting gears in marine gearboxes is caused by insufficient oil supply, clogged oil passages, or aging components. Below are detailed explanations about marine gearboxes: 1. Concept: Marine gearboxes serve as the main propulsion transmission devices in ship power systems, featuring functions such as reverse/forward operation, clutch engagement, speed reduction, and bearing propeller thrust. They form the ship's power system when paired with diesel engines. 2. Applications: Widely used in various passenger/cargo ships, engineering vessels, fishing boats, offshore/ocean-going ships, as well as yachts, police boats, and military vessels, they represent crucial equipment in the shipbuilding industry. 3. Types: Marine gearboxes mainly include working vessel gearboxes, high-speed marine gearboxes, adjustable-pitch vessel gearboxes, and engineering vessel gearboxes.

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