Introduction of Several Differences in Low, Medium, and High Speed Marine Diesel Engines by Marine Diesel Engine Parts Companies

1、 Different speeds

Low speed marine diesel engine: The speed of low speed marine diesel engine is 60~120r · min.

Medium speed marine diesel engine: The speed of the medium speed marine diesel engine is 600~1500r · min.

High speed marine diesel engine: The speed of the high-speed marine diesel engine is 600-2250r · min.

2、 Different cylinder diameters

Low speed marine diesel engine: The cylinder diameter of the low speed marine diesel engine is 350-900mm.

Medium speed marine diesel engine: The cylinder diameter of the medium speed marine diesel engine is 195-225mm.

High speed marine diesel engine: The cylinder diameter of the high-speed marine diesel engine is 98-185mm.

3、 Different power per cylinder

Low speed marine diesel engine: The single cylinder power of low speed marine diesel engine is 567-3855kW.

Medium speed marine diesel engine: The single cylinder power of the medium speed marine diesel engine is 195-255kW.

High speed marine diesel engine: The single cylinder power of the high-speed marine diesel engine is 915-127kW.

4、 Different application ranges

Low speed marine diesel engine: Low speed marine diesel engines are mainly used for ocean freight ships, oil tankers, and container ships with a capacity of 2000 to 500000 tons.

Medium speed marine diesel engines: Medium speed marine diesel engines are mainly used for power generation in locomotives, small trawlers, tugboats, small cargo ships, and power stations.

High speed marine diesel engine: High speed marine diesel engines are mainly used for trucks, small boats, pumps, auxiliary engines for power generation, and compressors.

5、 Different oil requirements

Low speed marine diesel engine: Low speed marine diesel engines mainly use marine cylinder oil and marine system oil.

Medium speed marine diesel engine: Medium speed marine diesel engines mainly use medium speed engine oil and regular diesel engine oil.

High speed marine diesel engine: High speed marine diesel engines mainly use medium speed engine oil and regular diesel engine oil.