我虚心向你请教，想让你给个出处，你却让我自己g
IBM师弟本人是搞小卡车的，他已经贴出了国标，其间没有卡车字样。既然你原文说的是
卡车（外来词），我也g一个美国条文（Code of Federal Regulation）：
总质量分级：
2. Table II--Gross Vehicle Weight Rating Classes
Class A--Not greater than 1360 kg. (3,000 lbs.)
Class B--Greater than 1360 kg. to 1814 kg. (3,001-4,000 lbs.)
Class C--Greater than 1814 kg. to 2268 kg. (4,001-5,000 lbs.)
Class D--Greater than 2268 kg. to 2722 kg. (5,001-6,000 lbs.)
Class E--Greater than 2722 kg. to 3175 kg. (6,001-7,000 lbs.)
Class F--Greater than 3175 kg. to 3629 kg. (7,001-8,000 lbs.)
Class G--Greater than 3629 kg. to 4082 kg. (8,001-9,000 lbs.)
Class H--Greater than 4082 kg. to 4536 kg. (9,001-10,000 lbs.)
Class 3--Greater than 4536 kg. to 6350 kg. (10,001-14,000 lbs.)
Class 4--Greater than 6350 kg. to 7257 kg. (14,001-16,000 lbs.)
Class 5--Greater than 7257 kg. to 8845 kg. (16,001-19,500 lbs.)
Class 6--Greater than 8845 kg. to 11793 kg. (19,501-26,000 lbs.)
Class 7--Greater than 11793 kg. to 14968 kg.(26,001-33,000 lbs.)
Class 8--Greater than 14968 kg. (33,001 lbs. and over)
Heavy Duty Trucks - (Detailed Search)
Class 7-8 GVW over 26,000 lbs
Conventional w/ and w/out sleeper, COE, Cab & Chassis, Dump Truck, etc. ...
Medium Duty Trucks - (Detailed Search)
Class 4-6 GVW 14,000-26,000 lbs
Cab and Chassis, Dump Truck, Flat,
Light Duty Trucks - Class 1-3 GVW up to 14,000 lbs
Pickups, Cab and Chassis, Dump Truck, Flat, Van, etc. ...
轻卡又细分：
Light-duty truck 1 means any light light-duty truck up through 3750
lbs loaded vehicle weight.
    Light-duty truck 2 means any light light-duty truck greater than
3750 lbs loaded vehicle weight.
[[Page 224]]
    Light-duty truck 3 means any heavy light-duty truck up through 5750
lbs adjusted loaded vehicle weight.
    Light-duty truck 4 means any heavy light-duty truck greater than
5750 lbs adjusted loaded vehicle weight.
    Light light-duty truck means any light-duty truck rated up through
6000 lbs GVWR.

【 在 lujx866 (赖活着·keep walking) 的大作中提到: 】
: 别扯淡了，你知道正确的就给大家贴个正确的说法，详细点
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FROM 221.13.5.*