Deutz WP6C/WP4C Series Marine Diesel Engine Operation and Maintenance Manual
Deutz WP6C/WP4C Series Marine Diesel Engine User Service Guide
Preface
WP6/WP4 series marine diesel engines are manufactured by Weifang Weichai Deutz Diesel
Engine Co. Ltd - the joint venture of Weichai Power Co. Ltd and Deutz AG. This series diesel
engines are classified into supercharge type and supercharge and intercooled type based on the
aspiration methods. There are two kinds of cylinder types: 4-cylinder and 6-cylinder. These series
diesel engines are of four stroke, water cooling, in-line, DI combustion chamber and high speed
engines, featuring by compact structure, reliability operation, excellent power performance and
economy indexes, advanced emission indicators, quick start, easy operation and convenient
maintenance etc. These series diesel engines are the ideal propulsion power for small vessels used
for inland water transportation, fishery and high-speed ships.
This manual mainly covers the main technical parameters, performance indicators, structural
features and operation and maintenance precautions for WP6/WP4 series marine main and
auxiliary engines. Before using this engine, please closely follow all requirements specified in this
manual. This could ensure the operation reliability and prolong the useful life of diesel engine.
Before servicing, disassembling and installing the diesel engine, please carefully read the Deutz
WP6/WP4 Series Marine Diesel Engine Parts Catalogue to master the basic structures of all
systems of the diesel engine.
What this manual describes is the basic models of WP6/WP4 series marine diesel engines. As to
other model information which is not listed into basic model, users could consult according to the
contact phone, fax etc on the “User Feedback Card”. As the products continuously develop, the
structure will also change. Partial content in this manual may be slightly different from the actual
products. This manual will be subject to be revised without notice. Access the www.weichai.com
for updated product information and hope users timely pay close attention to all the issued
technical information. If you feel the content important, please timely contact with the technical
department or sale department of Weichai Power Co. Ltd to avoid unnecessary trouble during the
normal use and maintenance.
Welcome comments and suggestions for product improvement from users. Please send the “User
Feedback Card” annexed at the end of this manual to the Sales Company or Application
Engineering Department of Weichai Power Co. Ltd.
Mar.2010
