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211022 don bur coupling info

What are HGV Trailer Couplings?

faqs/product-knowledge

Trailer couplings refer to both the electrical and pneumatic lines that span between, and connect, the tractor unit and trailer.

They comprise:

  • Primary Electrics (24N - ISO 1185) UK only
  • Secondary Electrics (24S - ISO 3731) UK only
  • ABS/EBS (ISO 7638-1) Mandatory across all of Europe, including the UK
  • 15 Pin Electrics (ISO 12098) Europe only
  • Red emergency airline
  • Yellow service airline

The airline coupling type varies slightly between the EU and the UK.

Published: Tue 21 Nov 2023

Updated: Thu 11 Apr 2024

Don-Bur (Bodies & Trailers) Ltd

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