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Washington Administrative Code (Last Updated: November 23, 2016) |
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Title 204. State Patrol (Equipment) (See Titles 212 and 446) |
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Chapter 204-70. Standards for vehicle connecting devices and towing methods. |
Section 204-70-050. Coupling classification and attachment.
Latest version.
- (1) Couplings must be classified, tested, attached and labeled by the manufacturer in accordance with SAE J684 revised July 2005.(2) Each coupling, regardless of classification or designation, must be:(a) Equipped with a manually operated mechanism so adapted as to prevent disengagement of the unit while in operation.(b) Designed so that the trailer can be disconnected from the towing vehicle regardless of the angle of the trailer to the towing vehicle.(3) Each hitch ball must be equipped and installed with a lock washer or equivalent device, and each replacement hitch ball must be marketed with a lock washer or equivalent device with instructions as to proper installation provided by the responsible manufacturer.