Manuals for ZF 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

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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

ZF Marine Transmissions (Gearboxes) Selection Guide

Transmissions Selection Guide

121 pages
publ. - 2012?



9 MB file

ZF Filter Cross Reference Guide

Oil Filter Breakdown Guide and Cross Reference

(ZF 4M thru ZF 30M models do NOT use filters)


12 pages
publ. July 2009

< 1 MB file



ZF ZF3M Marine Transmission Repair Manual

Repair Manual

ZF 3 M (HBW 35)
ZF 5 M (HBW 50)
ZF 10 M (HBW 100)
ZF 12 M (HBW 125) / HBW 10
ZF 15 M (HBW 150)
ZF 15 MA (HBW 150 A)
ZF 15 MIV (HBW 150 V)
ZF 25 M (HBW 250)
ZF 25 MA
ZF 30 M

68 pages
publ. - no date given

2 MB file

ZF Hurth HBW 50 Marine Transmission Owners Manual

Owners Manual - Hurth
HBW 40
HBW 50
HBW 100
HBW  125
HBW 150
HBW  125
HBW 150
HBW 150A
HBW 150V
HBW 250

26 pages
publ. - no date given

< 1 MB file


ZF ZF4-1M Marine Transmission Operating Manual

Operating Manual

ZF 4-1M       ZF 5M
ZF 10M        ZF 12M
ZF 15M
ZF 25M        ZF 25MA
ZF 30M

60 pages
publ. - no date given

2 MB file

ZF ZF16S-1650 Marine Transmission Repair Manual

Repair Manual

ZF 16S - 1650


75 pages
publ. May 2003


2 MB file

ZF ZFE 25A Marine Transmission Operating Manual

Operating Manual

ZFE 25 A        ZFE 25
ZFE 45 A        ZFE 45-1
ZFE 63 A        ZFE 63
ZFE 80 A       ZFE 80-1 A
ZFE 80 IV     ZFE 80-1 IV
ZFE 85 A       ZFE 85 IV


53 pages
publ. - no date given

4 MB file

ZF 45C marine transmission Repair Manual

Repair Manual

ZF45 C
ZF45 C Walter
ZF45 C Toyota
ZF63 C

43 pages

publ. - no date given

6 MB file

ZF 63A Marine Transmission Technical Guide

Technical Guide

ZF 63A
8°Down angle, direct mount marine transmission

8 pages
publ. December 2008

< 1 MB file

ZF ZF63A Marine Transmission Repair Manual and Spares List

Repair Manual and Spare Parts List

ZF63A         ZF 63
ZF80A         ZF 80-1 A


112 pages
publ. February 2006


6 MB file

ZF ZF7500 Series Marine Transmission Operating Manual

Operating Instructions

ZF 7500/7600 Series


132 pages
publ. September 2006


5 MB file

ZF BW6M Marine Transmission Operating Instructions

Operating and Maintenance Instructions


ZF BW6M 30


8 pages

publ. - no date given

< 1 MB file


ZF SD10 Marine Saildrive Owners Manual

Description and Owner's Manual



28 pages
publ September 2011

1 MB file

ZF SD10 Saildrive Repair Manual

Repair Manual

SD 10
SD 12


20 pages
publ. October 2008


2 MB file

ZF SD10 Marine Saildrive Spare Parts list

Spare Parts List and Explosion View


38 pages
publ. October 2008


2 MB file

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