Functions of Engine Oil for Diesel Generator

1. Lubrication

Form an oil film between moving friction parts such as crankshaft, connecting rod, piston and camshaft. Reduce metal‑to‑metal direct friction, lower wear of components and extend service life of the engine.

2. Cooling & Heat Dissipation

The flowing engine oil takes away partial heat generated by piston, bearing and other high‑temperature components. Assists the water‑cooling system to control engine operating temperature.

3. Sealing

Oil film fills tiny gaps between piston ring and cylinder liner. Improve sealing performance, prevent compressed gas in cylinder from leaking, and guarantee engine power output.

4. Cleaning

The additives in engine oil wash away carbon deposits, metal wear debris and sludge generated during combustion and friction. Keep internal engine passages and components clean, avoid oil passage blockage.

5. Anti‑corrosion & Anti‑rust

Form protective oil film on metal surfaces. Isolate acid substances produced by fuel combustion, moisture and air, prevent parts from corrosion and rust.

6. Damping & Buffering

Absorb and buffer impact load when the engine ignites and operates. Reduce vibration and impact stress of bearings and transmission parts.

7. Dirt‑carrying function

Suspend wear particles and carbon residues in the oil. These impurities will be filtered by the oil filter, to avoid abrasive scratch on friction surfaces.