The utility model provides a public affair railcar for narrow gauge railway has frame and automobile body that the appearance accords with african narrow gauge boundary limit, and the frame lower part is equipped with away capable portion, and frame lower part rear end is equipped with alternator group and braking system, and the front end is equipped with power and power -assisted system on the frame, has set up transmission system in the frame lower part, power and power -assisted system through transmission system with walk the line and be connected and drive its walking, frame both ends end all is equipped with draw gear, frame upper portion is equipped with the automobile body, and the inside both ends of automobile body all are equipped with the cab, and establish to using the dining -room at the middle part in the automobile body, and the automobile body top is equipped with the air conditioner. The utility model discloses the vehicle is whole to satisfy the requirement of african narrow gauge boundary limit, and vehicle power and transmission system arrange rationally that whole car has good dynamic performance and tractive performance, and safe and reliable is used in the handiness.