Assertion: caravan's weight | /r/HasProperty | limited by the coupling
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Source sentences:
text: The ATM is generally greater than the GTM however, in some instances, where the weight is limited by another factor such as the coupling, the ATM and GTM can be stamped as the same weight, for example an Crusader Excalibur Prince axle load is 2 x 2000kg=4000kg however the standard coupling is rated at 3500kg therefore the rated GTM cannot be more than 3500kg.