Source: Schema.org v30.1 vocabulary. Official tongueWeight property definition.
What does tongueWeight mean?
The permitted vertical load (TWR) of a trailer attached to the vehicle. Also referred to as Tongue Load Rating (TLR) or Vertical Load Rating (VLR).\n\nTypical unit code(s): KGM for kilogram, LBR for pound\n\n* Note 1: You can indicate additional information in the [[name]] of the [[QuantitativeValue]] node.\n* Note 2: You may also link to a [[QualitativeValue]] node that provides additional information using [[valueReference]].\n* Note 3: Note that you can use [[minValue]] and [[maxValue]] to indicate ranges.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status