This is a general guideline for service intervals on a Caterpillar C-18 Engine for recreational use The Caterpillar C-18 Acert Engine is an inline 6, 4 stroke diesel engine with a displacement of 18.1L.  It is seen in recreational marine applications from 1000hp to 1150hp on yachts ranging in size from 45ft to over 70ft. For further details please see the link at the bottom of this article that will allow you to download the actual CAT C-18 maintenance manual. Some of these services will coincide with one another to be done at the same time for convenience and to save the number to trips your mechanic will have to make to the boat.  These are items needed in addition to your regular inspections of the motors prior to use. *Also be mindful that the transmissions … [Read more...]