<P> In the United States and Canada, there are four main weight classes of trailer hitches as defined by the Society of Automotive Engineers (SAE): </P> <Ul> <Li> Class I--rated to 2,000 pounds (907 kg) </Li> <Li> Class II--rated to 3,500 pounds (1,588 kg) </Li> <Li> Class III--rated to 5,000 pounds (2,268 kg) </Li> <Li> Class IV--rated to 10,000 pounds (4,536 kg) </Li> </Ul> <Li> Class I--rated to 2,000 pounds (907 kg) </Li> <Li> Class II--rated to 3,500 pounds (1,588 kg) </Li>

Where to find the weight of a trailer