How many tons of truck can a B1 license drive?

[Katie]

B1 license allows driving low-speed trucks with a total mass not exceeding 4.5 tons and a designed loading capacity not exceeding 1.5 tons. The following is the relevant introduction of B1 driving license: Permitted vehicle types for B1 license: The permitted vehicle type for B1 license is medium-sized passenger vehicles, which are defined as medium-sized passenger vehicles not exceeding 6 meters in length, with a rated passenger capacity of 10 (inclusive) to 19 (inclusive) people. Other permitted vehicle types: Other permitted vehicle types include C1 (small cars), C2 (small automatic transmission cars), C3 (low-speed trucks), C4 (three-wheeled cars), and M (wheeled self-propelled machinery). It should be noted that B2 is not included in the permitted vehicle types for B1 license.