What is the standard fuel tank capacity for semi-trailers?

1 Answers
JuliaLynn
07/29/25 4:12pm
Semi-trailer fuel tank standard introduction: Generally, small vehicles have a fuel tank capacity of 35-45 liters, while medium-sized vehicles have a fuel tank capacity of around 55-75 liters. After filling up the tank, they can usually travel about 500 kilometers. The fuel tank size varies depending on the vehicle's displacement—larger fuel consumption means a bigger tank, and smaller consumption means a smaller tank. A larger fuel tank capacity generally allows for a range of 400~600 kilometers. More related information is as follows: 1. Fuel tank capacity measurement unit: The international standard uses L (liters) as the measurement unit for vehicle fuel tank capacity. Different countries also have corresponding standards for fuel tank capacity. The regulation states that the fuel tank capacity should be 95% of the rated value, but in reality, the actual capacity is usually larger than the nominal capacity, so there is no need to worry about the fuel tank being smaller than expected. 2. How to check the fuel tank capacity: Generally, the fuel level can be observed through the fuel gauge inside the vehicle. If there are no other issues, the fuel level will be accurately reflected on the gauge. The fuel gauge usually has 5-6 segments, with each segment representing the remaining fuel capacity in the tank. It is recommended to refuel when the fuel gauge shows only two segments left to avoid running out of gasoline midway.
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