Where is the serial number stamped on a Weichai engine?

[AdamLee]

Weichai engine serial numbers are stamped on the cylinder block near the oil filter. Additional information: Engine model: The engine model is an identification code assigned by the engine manufacturer in accordance with relevant regulations, corporate or industry practices, and engine attributes. It represents information such as the manufacturer, specifications, performance characteristics, technology, application, and production batch of the engine. This includes details like fuel type, number of cylinders, displacement, and static braking power. Engines installed in passenger cars or multipurpose passenger vehicles are required to display the professional manufacturer's name, model, and production number as regulated.