1. Advantages: Weichai engine has the advantages of low fuel consumption, high reliability, long life and large torque. Weichai engine emits much less harmful gases than gasoline engine (especially carbon monoxide), so compared with gasoline engine, diesel engine is harmless to the environment;
2, disadvantages: the speed is lower than the gasoline engine (general speed 1800-3000r\/min), high manufacturing and maintenance costs, loud noise, difficult to start, etc.