To make the most of your new engine and to ensure it performs to its maximum potential, correct application, usage and installation are essential.
Please note that engine failures or performance issues relating to adverse usage or application, incorrect installation or inadequate maintenance are not covered under manufacturer’s warranty.
To assist in this important process we have provided a range of key documents. If you are uncertain about any aspect of the installation or conducting a sea trial, please contact your local authorised dealer for assistance, or alternatively, contact your Power Equipment Account Manager.

Get faster support service, protect your investment and stay up to date on important product updates and more.

A guide to completing a sea trial for John Deere marine engines.

A guide to get the best from your John Deere engine, with information on spare parts and customer support.

Sea Trial form for John Deere marine propulsion engines.

Sea Trial form for John Deere gen drive engines.

Sea Trial form for John Deere variable speed engines.

Operator's Manual for 4.5L and 6.8L John Deere Marine Diesel Engines

Operator's Manual for 9.0L John Deere Marine Diesel Engines.

Operator's Manual for 13.5L John Deere Marine Diesel Engines