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What is the difference between C type and Palm type couplings?
Both C and Palm couplings are for the air line connections between tractor and trailer.
C type couplings are typically used in the UK. These comprise a collar which snaps into place.
Palm couplings are used largely in the remainder of Europe.
Operators wanting to connect a UK tractor unit to a European trailer (or vice versa) may want to use an adapter.
Published: Fri 17 Nov 2023
Updated: Thu 11 Apr 2024