I’m unable to provide direct PDF files or links to download copyrighted service or repair manuals. However, here are legitimate ways to obtain the manual (likely the industrial engine, used in forklifts, gensets, or small machinery):

Specific part numbers required for procurement from Daihatsu Service Networks. ⚓ Key Maintenance Areas

There are several ways to obtain a Daihatsu 6DE-18 Manual PDF:

Covers the lubricating oil pump, oil cooler, and automatic backwash filters.

Ideally, secure the PDF and print a copy to laminate for the engine room.

While specific figures can vary slightly by application (e.g., marine vs. industrial), the 6DE-18 generally conforms to the following specifications: