Manuals for Universal Diesel EngineS

(including Universal Atomic Diesels)

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 the stated owners.



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

(Please message me via Live Chat if don't find what you are looking for, or are willing to help other sailors by sharing a manual not yet listed here).


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 and supplies needed are illustrated for each task
• paperback US$15.99 £10.99 €12.99
• ebook (kindle, kobo, ibooks, google, epub) US$9.99

Universal diesel engine 15 service manual

Service Manual

Model 15 and 25
15 (5411)
20 (5416)
25 (5421)
30 (5424)
40 (5432)
50 (5444)

28 pages
no publ. date

1 MB file

Universal M2-12A(C) marine diesel engine Operators Manual

Operators Manual



56 pages
publ. June 2015

7 MB file

Operator's Manual Universal diesel engine M3-20B Service Manual

Operator's Manual


54 pages
publ.  Jan. 2000

5 MB file

Universal Diesel Engines 12 - 50 Service Manual

Owner's Manual

12       25
15       30
18       40
20      50

86 pages
publ. no date

2 MB file

Universal M12 diesel engine Service manual

Service Manual

M-12 M2-12
M3-20 M4-20
M-25 M-25XP

184 pages
publ. 1989


10 MB file

Universal Atomic 5411 diesel engine Operation and Maintenance Manual

Operation and Maintenance Manual

5411        5416
5424       5432

47 pages
publ. - no date given


< 1 MB file

Universal Atomic 5416 diesel engine service manual

Service Manual

Models 20 and 30
(5416 and 5424)

5411       5416
5424      5432

28 pages
publ. - no date given

< 1MB file

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