Manuals for Thornycroft 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

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


Thornycroft 90 marine diesel engine cover

Engine Manual


42 pages
publ. - no date given


< 1 MB file




Thorneycroft 154 marine engine cover

Operator's Insturctions



44 pages



2 MB file


Thornycroft 154 diesel engine parts cover

Spare Parts List


73 pages
publ. - no date given



6MB file



Thornycroft BMC Leyland Common Spares List

Common Engine Spares for Thornycroft, BMC and Leyland Engines

Thornycroft 90
Thornycroft 108
Thornycroft 154
Thornycroft 80D
Thornycroft 140
Thornycroft 150


1 page
publ. - no date given

< 1 MB file

Print Friendly, PDF & Email

Learn more about
marine diesel systems

Get news of free:

weekly Videos

illustrated Checklists

more & more Manuals

Technical Word Lists etc.

    I hate spam too and send only occasional emails which may be of value to you. Unsubscribe at any time.

    Powered By ConvertKit

    Checklist #9 Recomission

    get your boat ready for re-launch