Maintanence & Service Manual:
I. Maintenance Manual for Bus Engine
WP2.3/WP2.3N Bus Engine |
Download |
WP3/WP3N Bus Engine |
Download |
WP3.7 Bus Engine |
Download |
WP4.1/WP4.1N/WP4.6N Bus Engine |
Download |
WP4/WP6 Bus Engine |
Download |
WP5/WP7 Bus Engine |
Download |
WP9H Bus Engine |
Download |
WP10H Bus Engine |
Download |
WP10 Bus Engine |
Download |
WP12 Bus Engine |
Download |
II. Maintenance Manual for Truck Engine
WP2.3/WP2.3N Truck Engine |
Download |
WP3/WP3N Truck Engine |
Download |
WP3.7 Truck Engine |
Download |
WP4.1/WP4.1N/WP4.6N Truck Engine |
Download |
WP4/WP6 Truck Engine |
Download |
WP7 Truck Engine |
Download |
WP9H/WP10H Truck Engine |
Download |
WP10 Truck Engine |
Download |
WP12 Truck Engine |
Download |
WP13 Truck Engine |
Download |
III. Maintenance Manual for Marine Engine
* Upon as your request
Weichai Engine Diagnostic Software:
The software is exclusively developed and researched by Weichai Power. Connected to ECU via DiagSmart, the device can transfer data to PC, smartphone via USB connection or Wifi. Through software, users can check the operating status of the engine, sensors as well as actuator components, can extract data files, data streams. It's supported the repair process as well as timely detection and handle big error.
* DiagSmart 3.6.0 (updated Sep 2023): Download
Customer Assistance
For general inquiries, questions regarding your Weichai products, or assistance locating authorized distributors or dealers, please complete the form below.
Or you can reach us by address: Contact Us