Manuals for Komatsu Diesel Engines

Owner and Workshop Manuals are important documents that should be part of every vessel's library. They contain the detailed information necessary for safe operation, maintenance and correct servicing.  

The manuals on this page are provided for public information and education and can be downloaded for free.  All copyrights belong to copyright holders stated in the documents.

Dennison Berwick at launch of Marine Diesel Basics 1 in Toronto, Canada

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Marine Diesel Basics 1
shows how to do over 140 tasks:

•  explains all parts of the marine diesel system - fuel,
lubrication, breathing, electrics, stern gland, propeller etc.
•  300+ drawings, 222 pages
•  tasks are fully explained with clear drawings and minimal text
•  all tools & supplies needed are illustrated for each task
•  paperback US$15.99 £10.99 €12.99
•  ebook (kindle, kobo, ibooks, google, epub) US$9.99


Komatsu 125-2 diesel engine Shop Manual

Shop Manual

125-2 Series


366 pages
publ. 2003


21 MB file

Komatsu 6D170E-1 diesel engine Shop Manual

Shop Manual

6D170-1 Series


506 pages
publ. December 1997


30 MB file

Komatsu 6D170E-2 diesel engine Shop Manual

Shop Manual

6D170-2 Series


341 pages
publ. February 2005


16 MB file

Komatsu PC400 diesel engine Shop Manual

Shop Manual

models                   serial numbers
PC400-6             32001 and up
PC400LC-6        32001 and up
PC450-6            12001 and up
PC450LC-6       12001 and up

841 pages
publ. 2004

NOTE: Download both files for the complete manual

65 MB file

50 MB file

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