N40 ENT M25
N60 ENT M37
N60 ENT M40
TEchNical aNd REpaiR
MARCH 2007 Edition
N40 ENT M25
N60 ENT M37-M40
We strongly recommend that you carefully read the indica-
tions contained in this document: compliance with them
protects the engine against irregular operation and assures
its reliability, safeguarding sea-going and maintenance person-
nel against accident hazards.
The indications contained in this document pertain to the N40
ENT M25, N60 ENT M37 e N60 ENT M40 marine engine
and complement the IVECO MOTORS-FPT publication of
“Marine Diesel Engines Installation Handbook” that the reader
should refer to for anything that is not explained herein.
Technical engineers and fitters are required to comply with
safety regulations on work. They have to implement and
adopt the device required for individual personal safeguard
while carrying out maintenance or checks.
Safety rules are reported in Section 9 of this publication.
Regulations on handling engine are reported at the end of
Section 6 of this publication.
In order to start the engine, strictly follow the procedure
stated at the end of Section 5 of this publication.
To get the best possible performance out of the engine, it
is mandatory to conform with its intended mission profile.
The engine must not be used for purposes other than those
stated by the manufacturer.
IVECO MOTORS-FPT is available beforehand to examine
requirements for special installations, if any.
o Use of unsuitable fuels and oils may compromise the
engine’s regular operation, reducing its performance,
reliability and working life;
o Exclusive use of IVECO Original Parts is a necessary
condition to maintain the engine in its original integrity;
o Any tampering, modifications, or use of non-original
parts may jeopardize the safety of service personnel and
To obtain spare parts, you must indicate:
Commercial code, serial number and indications shown
on the engine tag;
Part number o