Manuals for Isuzu 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


Isuzu Serial Number Location

Engine Serial Number Location Guide

1 page
publ. May 2009


<1 MB file

Isuzu 2AB1 Workshop Manual

Workshop Manual

2AA1 - 3AA1
2AB1 - 3AB1

134 pages
publ. December 1983


5 MB file

Isuzu diesel engine Pisces PartsIsuzu diesel engine Pisces PartsIsuzu diesel engine Pisces Parts

Pisces Parts List

160 pages
publ. - no date given

many Pisces marine engines were based on Isuzu blocks


16 MB file


Isuzu Diesel Engine 2CA1 Workshop Manual

Workshop Manual


147 pages
publ. December 2004


3 MB file

Isuzu 4H Series Diesel Engine Workshop Manual

Workshop Manual

4H Series

NKR66       NPR66
NPR70       NPR71
NPS66        NPS71
NQR66      NQR70

691 pages
publ. February 1999

30 MB file

Isuzu 4J Series Diesel Engine Workshop Manual

Workshop Manual

4J Series



406 pages
publ. January 1999

22 MB file

Isuzu diesel Engines 4JA1 Workshop Manual Section 6

Workshop Manual


covers Troubleshooting,
Engine Mechanical, Cooling,
Fuel, Electrical, Exhaust

249 pages
publ. June 2001

4 MB file

Isuzu-4JA1-and-4JB1 Workshop Manual

Workshop Manual

4JA1 - 4JB1

1998 and later models

231 pages
publ. July 1998


6MB file

Isuzu 4JG2 Diesel Engine Service Manual

Service Manual



219 pages
publ. April 1996


11 MB file

Isuzu Diesel Engine 3KC1 Repair Manual

Repair & Adjustment Manual


models from 1990 & later

94 pages
publ. - no date given


7 MB file

thumbnail of ISUZU-C223-Turbo-W-Shop-Manual

Workshop Manual Supplement

C223 Turbo Model


35 pages
publ. June 1984

1984 and later models


17 MB file



Isuzu 4LE2 Diesel Engine Workshop Manual

Workshop Manual



121 pages
publ. September 1999
revised 2003


10 MB file

Isuzu AA-4BG1T Diesel Engine Workshop Manual

Workshop Manual



222 pages
publ. December 1999


14 MB file

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