At CamaMach when sourcing spare parts for your machines we always ask for the serial number,  but what does a Sinotruk model serial number actually mean? ● COMPANY CODE. ZZ (中重 - zhongzhong) is the short form of Sinotruk's Chinese name 中国重汽 (zhongguo zhongqi) ● VEHICLE CATEGORY - This code represents the class of vehicle 1- cargo truck 2- off road truck 3- dump truck 4- tractor 5- special truck 6- bus 7- passenger car 9- semi trailer ● MAIN CODE. The main code is the total weight of the vehicle. ● BRAND CODE. 1- Gold Prince 2- Styre 3- Hojun 4- Yellow River 5- Hoyun 6- Styre King 7- HOWO ● ENGINE POWER CODE represents the engine power category. Here's a useful table: A-              P≤68 (hp) B-     68<P≤80...