Komatsu SA6D108E Engine

• Radiator Cap - Removing the radiator cap while the engine is hot will result in high pressurized, boiling water to gush out of the radiator, therefore causing severe scalding to any persons in the general area of the generator.
  Fix: Do not remove the radiator cap when the engine is hot.
• Operate the generator in any enclosed or narrow area where free flow of air is restricted
  Cause: If the air flow is restricted it will cause serious damage to the generator or engine and may cause injury to people.
• Never use damaged or worn cables when connecting power tools or equipment to the generator. Make sure power connecting cables are securely connected to the generator’s output terminals, insufficient tightening of the terminal connections may cause damage to the generator and electrical shock.
  Fix: Ensure that all cables used with the generator are in good condition and properly secured.
• Never run engine without air filter. Severe engine damage may occur.
  Fix: Always ensure that the air filter is in place before running the engine.
• Engine Oil Drain Plug - Removing the engine oil drain plug while the engine is hot will result in hot oil to gush out of the oil drain plug, therefore causing severe scalding to any persons in the general area of the generator.
  Fix: Do not remove the engine oil drain plug when the engine is hot.
• DO NOT touch output terminals during operation. This is extremely dangerous when your hands are wet. Always stop the machine when contact with the output terminals.
  Fix: Do not touch the output terminals while operating the generator, especially if your hands are wet.
• DO NOT touch or open any of the below mentioned components while the generator is running. Always allow sufficient time for the engine and generator to cool before performing maintenance.
  Fix: Do not touch or open any components of the generator while it is running, and ensure adequate cooling before maintenance.
• Coolant Drain Plug - Removing the coolant drain plug while the engine is hot will result in hot coolant to gush out of the coolant drain plug, therefore causing severe scalding to any persons in the general area of the generator.
  Fix: Do not remove the coolant drain plug when the engine is hot.

Compiled from service & troubleshooting documentation across every generator set that uses the Komatsu SA6D108E.

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

• Komatsu PC300AV — Excavator Tracked
• Komatsu PC300HD-5 — Excavator Tracked
• Komatsu PC300LC-5 — Excavator Tracked
• Komatsu WA350-3-X — Loader Wheeled

Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.