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An ordinary truck towing a heavy trailer (trailer GLW over 3,500 kg) has a gross combination weight of 14,000 kg. What is the lowest required full licence class, excluding special tractor exceptions?
普通卡車牽引重型掛車（掛車GLW超過3500公斤），組合GCW為14000公斤，不涉及特殊拖拉機例外時，最低需要哪類全駕照？
Class 3 is the lowest required full licence class.
Class 3。
閱讀相關知識
The ordinary-combination range is 12,001 to 25,000 kg GCW. A rigid vehicle with a light trailer can fall under different provisions; this question specifies a heavy trailer. A higher full licence may also allow the vehicle, but the question asks for the lowest class.
普通組合車輛GCW為12001至25000公斤屬於Class 3範圍。符合條件的剛性車拖輕型掛車可適用其他類別規定，本題特意限定重型掛車；持更高類別全照可能也獲准駕駛，但此處問最低類別。