Manuals for Borg Warner Marine Transmissions (Gearboxes)

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).

 

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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


 

Borg Warner 70C 2.100 Marine Transmission Service Manual

"Velvet Drive" Service Manual
Reduction Gear Assembly

2.100 : 1 ratio
use in conjuction with Service Manuals for

70C         71C          72C

18 pages
publ. - no date given

 

3 MB file

Borg Warner 70C Marine Transmission Gearbox Service Manual

"Velvet Drive" Service Manual

70C              71C

ASI-70C     ASI-71C
ASI-70B     ASI-71B
ASI-70        ASI-71

 

67 pages
publ. October 1985

 

8 MB file

Borg Warner 71C 1.5 Marine Transmission Service Manual

Service Manual

71C    72C  Direct Drive

Reduction Gear Ratios:

1.5 : 1          1.88 : 1
1.91 : 1        2.1 : 1
2.57 : 1       2.91 : 1

 

83 pages
publ. April 1986 ?

3 MB file

Borg Warner 71C Inline V drive Marine Transmission Owners Manual

Velvet Drive Owner's Manual

71C          72C
In-Line and V-drive models

(At this time, these transmissions was produced by Regal Beloit Corporation, not Borg Warner)

13 pages
publ. October 1995

4 MB file

Velvet Drive 71C Owner's Manual

Owners Manual

71C        72C
and V Drives

All Ratios

(At this time, these transmissions was produced by Regal Beloit Corporation, not Borg Warner)

11 pages
publ. - no date given

6 MB file

Velvet Drive CR2 Marine Transmission Service Manual

Service Manual

CR2

model 10-13 (similar to 71C
model 10-14 (similar to 72C)

 

17 pages
publ. - no date given

1 MB file

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