The brands of the units are different for different powers. Uniform power, some brands are very good
For example:
Weichai Deutz is about 20kw-120kw is very suitable.
Weichai Steyr is 150kw-700kw around the best performance
Cummins is divided into Dongfeng and Chongqing
Dongfeng for 20kw-220kw
Chongqing for 220kw-1100kw.
These two brands are more commonly used.
You like Shangchai common for 200kw-500kw or so
Smaller basic choice of Changchai basic power is 8kw-24kw
Want to know more about the details of the can be their own direct contact with the manufacturer consulting