Width of the train

Lokomotives are divided into freight cars and trains; I guess the width of different types of trains must vary.

Haha, we’ve started studying trains! There must be a limit to the width of trains; the width of the rails is standard

I’m not sure what you mean – the body of the vehicle, perhaps? Buses and trucks have different widths, but the tracks are the same

Trains, formerly known as steam locomotives, are also called railcars. It moves along independent tracks. Railway trains can be classified into freight cars for transporting goods and passenger cars for carrying passengers, based on the load they carry ； There are also passenger and cargo vehicles with both. You say that locomotives are divided into freight cars and trains – the concept is a bit confusing...

Classified by track gauge: standard-gauge, broad-gauge, and narrow-gauge diesel locomotives. The standard gauge is 1435 mm ； There are 4 broad gauge widths: 1520 mm, 1600 mm, 1665 mm, and 1676 mm ； The narrow-gauge track gauges range from 597 mm to 1219 mm, with a total of 19 types; typical gauges include 600 mm, 762 mm, 900 mm, 1000 mm, and 1067 mm. Lokomotives with the latter two gauges are generally referred to as meter-gauge locomotives. It seems that the orbits aren’t exactly the same either.

It seems that the width of trains is not uniform; discussing this can help reinforce the understanding:victory:

The widest part shall not exceed 3400 mm. I’m sorry; it seems the message wasn’t sent successfully earlier, so I’ve sent it again.

The GQ70 (GQ70H) type light oil tank truck is mainly used for transporting chemical substances such as gasoline, kerosene, and diesel, with loading and unloading being carried out from the top. The vehicle features a beamless structure; the tank has a fully welded design with a straight-cone circular cross-section and an inclined bottom. There is one manhole at the top of the tank that facilitates opening, while a liquid collection pit is located at the bottom of the tank. It uses a No. 17 coupler made of Grade E steel and a coupler tail frame made of Grade E steel, as well as MT-2 type buffers. The braking system uses a seat-type 120 control valve, a KZW-A type automatic loading/unloading adjustment device, 254×254 integrally spun sealed brake cylinders, an ST2-250 type two-way brake adjuster, stainless steel brake piping, and an NSW type hand brake. The K6 (K5) type bogie is used. Load capacity: 70t; Weight: 23.6t; Total volume: 80.3m3; Useful volume: 78.7m3; Maximum operating pressure: 0.15MPa; Dimensions: 12216×3360×4493mm; Commercial operating speed: 120km/h

The width of a train mentioned in safety books should, strictly speaking, be uniform, as the tracks are shared; therefore the width has to be the same

In the 2008 Safety Engineering Certified Engineer exam, it seems this question was on the test.