Manuals for Twin Disc Marine Transmissions (Gearboxes)
(includes Technodrive)
(Message me via Live Chat if don't find what you are looking for, or have old manuals to share to help other sailors.
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Thanks,
Dennison
3 simple steps to make your diesel system reliable and robust
STEP ONE - Get the manuals for your equipment
Owner, Workshop and Parts 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.
congratulations - by downloading these free manuals you are taking an important step towards making your engine more reliable and robust.
STEP TWO - regular maintenance
Simple, regular maintenance is the easiest, quickest and cheapest way to avoid problems and accelerated engine wear. Most expensive repairs start from a lack of basic maintenance or ignoring small warnings. The work is not difficult - it just needs to be done.
The purpose is so that we can enjoy our boat for all the reasons we bought her. Trust yourself. Do the work regularly and be methodical.
Download free checklists here
if you need clear, easy-to-understand help
300+ drawings
Seeing is Understanding
Marine Diesel Basics 1
Maintain, Winterize and Recommission
• explains all parts of the marine diesel system - fuel,
lubrication, breathing, electrics, stern gland, propeller etc.
• 140+ tasks, 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
STEP THREE - keep a Maintenance Logbook
Keep a detailed and accurate record:
- all the work done on your diesel system - what, when & by who
- inventory of serial numbers, component descriptions
- early warning of potential problems
- time and details of any changes in performance
Use a notebook or use your iPad, tablet or desktop and record the information in an editable PDF directly as you work.
click to enlarge
Maintenance eLogbook
If you've every struggled to keep a logbook, this editable eLogbook may be exactly the help you need.
- "fillable form" PDF
- clickable checklists
- write, edit details of all tasks completed
- 40+ drawings to help inspections
- all common measurements with live calculators
- just $7.99 196 pages
"the Perfect Logbook" - verified purchaser
go to
Transmissions / Gearboxes
Transmission Capacity Tables
Pleasure Craft
Light Duty
Intermediate Duty
Medium Duty
Continuous Duty
35 pages
publ. January 2010
7 MB file
Marine Transmission Capacity Tables
13 pages
publ. - no date given
< 1 MB file
Marine Transmission Capacity Tables
77 pages
publ. February 2004
5 MB file
Marine Product Guide
Twin Disc Marine Transmissions
57 pages
publ. 2019
5 MB file
Marine Product Guide
Twin Disc Marine Transmissions
76 pages
publ. June 2017
5 MB file
Owner's Manual
Twin Disc transmissions
200 pages
publ. November 2015
7 MB file
Owner's Manual
Twin Disc transmissions
86 pages
publ. February 2008
2 MB file
Marine Product Guide
Twin Disc Marine Transmissions
45 pages
publ. November 2014
3 MB file
Matching Guide
Engine - to - Transmission
23 pages
publ. 2011
< 1 MB file
Service Manual
MFGX - 5145SC
49 pages
publ. July 2005
2 MB file
Service Manual
MG - 506A
49 pages
publ. August 1999
3 MB file
Technical Sheet
MG - 5090A
2 pages
publ. November 2006
< 1 MB file
Technical Sheet
MG - 5091
2 pages
publ. November 2011
< 1 MB file
Technical Sheet
MG - 5114
2 pages
publ. November 2006
< 1 MB file
Information Sheet
TM 93
2 pages
publ. April 2008
< 1 MB file
Information Sheet
TM 93A
2 pages
publ. October 2010
2 MB file
Workshop Manual
TM 93
TM 93A
37 pages
publ. - no date given
3 MB file
Information Sheet
TM 170
2 pages
publ. April 2008
< 1 MB file
Information Sheet
TM 170A
2 pages
publ.
< 1 MB file
Workshop Manual
TM 170
TM 170A
34 pages
publ. - no date given
3 MB file
Information Sheet
TM 200B
2 pages
publ. April 2008
< 1 MB file
Information Sheet
TM 265
2 pages
publ. October 2010
< 1 MB file
Information Sheet
TM 265 A
2 pages
publ. October 2010
< 1 MB file
Workshop Manual
TM 265
TM 265A
31 pages
publ. - no date given
2 MB file
Information Sheet
TM 345
2 pages
publ. October 2010
1 MB file
Information Sheet
TM 345 A
2 pages
publ. April 2008
1 MB file
Workshop Manual
TM 345
TM 345A
37 pages
publ. - no date given
2 MB file
Information Sheet
TM 360
2 pages
publ. April 2008
1 MB file
Information Sheet
TM 485 A1
2 pages
publ. October 2010
1 MB file
Operating Manual
TM 485 A1
58 pages
publ. June 2011
3 MB file
Technical Sheet
TM 880A
2 pages
publ. - no date given
2 MB file
Technical Sheet
TM 1200A
2 pages
publ. - no date given
1 MB file
Operating Manual
TMC 40M
TMC 60M
TMC 260
40 pages
publ. May 2005
2 MB file
Service Manual
TMC 40M
7 pages
publ. - no date given
3 MB file
Parts List
TMC 40
TMC 40 M
TMC 40 P
6 pages
publ. - no date given
< 1 MB file
Technical Sheet
TMC 40P
2 pages
publ. June 2008
< 1 MB file
Service Manual
TMC 40P
12 pages
publ. - no date given
3 MB file
Technical Sheet
TMC 60A
2 pages
publ. September 2009
1 MB file
Service Manual
TMC 60E
16 pages
publ. - no date given
3 MB file
Parts List
Marine Reverse-Gear Unit
TMC 60
9 pages
publ. - no date given
2 MB file
Technical Sheet
TMC 60 P
2 pages
publ. September 2010
1 MB file
Technical Sheet
TMC 260
2 pages
publ. April 2008
< 1 MB file
Service Manual
TMC 260
14 pages
publ. - no date given
< 1 MB file
Bulletin - Technical Information Sheet
MG340
2 pages
publ. November 2006
< 1 MB file
Bulletin - Technical Information Sheet
MG360
2 pages
publ. November 2006
< 1 MB file
Bulletin - Technical Information Sheet
MG540
2 pages
publ. November 2006
< 1 MB file
Bulletin - Technical Information Sheet
MG5005A
2 pages
publ. November 2006
< 1 MB file
Bulletin - Technical Information Sheet
MG5005A
2 pages
publ. 1999
< 1 MB file
Bulletin - Technical Information Sheet
MG5012SC
2 pages
publ. March 2013
< 1 MB file
Information Brochure
MG-5050
2 pages
publ. November 2006
<1 MB file
Information Brochure
MG-5050 Shallow Case
2 pages
publ. November 1997
<1 MB file
Drawings with Parts
MG-5050SC
3 pages
publ. - no date given
<1 MB file
Information Brochure
MG-5055A
2 pages
publ. March 2013
<1 MB file
Bulletin 125-D
Installation, Care and
Maintenance Guide
MG-55 MG-61
MG-165 MG-166
MG-200 MG-201
49 pages
publ. August 1956
32 MB file
Bulletin 125-E
Installation, Care and
Maintenance Guide
MG-55 MG-61
MG-165 MG-166
MG-200 MG-201
51 pages
publ. - no date given
9 MB file
Information Sheet
MG-5061
2 pages
publ. November 2006
< 1 MB file
Information Sheet
MG-5065
2 pages
publ. November 2006
1 MB file
Information Sheet
MG-5075
2 pages
publ. November 2006
< 1 MB file
Information Sheet
MG-5082
2 pages
publ. January 2016
< 1 MB file
Sail Drives
User's Installation and Operation Manual
Sea Prop 60
23 pages
publ. June 2005
1 MB file
Service Manual
Sea Prop 60
46 pages
publ. - no date given
3 MB file
Drawing
Beta engine - Twin Disc saildrive
Beta 28
Beta 30 Heat Exchanger
Twin Disc Sea Prop 60
1 page
publ. December 2010
< 1 MB file
Drawing
Beta engine - Twin Disc saildrive
Beta 43
Beta 50 Heat Exchanger
Twin Disc Sea Prop 60
1 page
publ. August 2009
< 1 MB file
