One 20-meter patrol boat from a marine bureau is equipped with two Scania DI13 EFI engines; the control system and driving console adopt HMC9000A diesel control module and HRM3300 remote monitoring control module of SmartGen respectively. The control modules are connected by CANBUS to realize side and remote control operation, which is simple, stable and reliable. The bi-motor driven and twin-propeller boat is mainly used in the waterway patrol and law enforcement of the Changjiang River to ensure safe and orderly navigation.