FOREWORD This manual contains installation and operating information of WP12 series Weichai marine diesel engine. Content of this manual is intended to explain about safety, installation guidelines, operation and maintenance instructions, specifications for fuel, lube oil & coolant. Information provided in this manual is limited to regular operations and maintenance. Hence cannot be considered for major overhaul or repair. The technician who is operating any Weichai marine diesel engine must understand the safe operating procedure, routine inspection and maintenance practices.
Repairing of the engine must be carried out by trained professional and this service is available in all our authorized service centers. As a policy of continuous improvement, Weichai Power Company Ltd reserves the right to change /modify/ upgrade the content of this manual at any time without prior notice. WP12 series marine diesel engine is the upgraded version of TD226B series. It has distinguishing features like improved reliability, improved emission qualities, quick starting, improved maintenance interval and low operating cost. Weichai engines are popular for the best in class fuel economy, low noise & vibrations and comparatively low engine room temperature.
WP12 series marine diesel engines are the ideal propulsion power for small & medium type fishing boats, for inland water transportation vessels and high-speed ships.