9 products Ringfeder® trailer coupling 404 AUS AM This strong and reliable 320 kN coupling is designed and built for trouble-free extended heavy-duty use under the tough road conditions in Australia. The innovative air driven automatic opening mechan... Ringfeder® trailer coupling 404 AUS B MSD This strong and reliable 320 kN coupling is designed and built for trouble-free extended heavy-duty use under the tough road conditions in Australia. The self-closing and automatically secured couplin... Ringfeder® trailer coupling 303 AUS This strong and reliable 320 kN coupling is designed and built for trouble-free extended heavy-duty use under the tough road conditions in Australia. The self-closing and automatically secured couplin... Ringfeder® trailer coupling 303 AUS AM/RL This strong and reliable 320 kN coupling is designed and built for trouble-free extended heavy-duty use under the tough road conditions in Australia. The self-closing and automatically secured couplin... Ringfeder® trailer coupling RF50 B AUS MSD This strong and reliable 320 kN coupling is designed and built for trouble-free extended heavy-duty use under the tough road conditions in Australia. The self-closing and automatically secured couplin... Ringfeder® trailer coupling RF50 AM/RL AUS This strong and reliable 320 kN coupling is designed and built for trouble-free extended heavy-duty use under the tough road conditions in Australia. The innovative air driven automatic opening mechan... Ringfeder® trailer coupling 2025 (Ø 25 mm) Automatic trailer coupling for connecting to drawbar eyes (Ø25 mm). It is ideal for floor transportation, e.g. towing tractors for baggage handling in airports, warehouse transportation or the likes. ... Ringfeder® trailer coupling 2025 SK Automatic trailer coupling for connecting to drawbar eyes (Ø25 mm). It is ideal for floor transportation, e.g. towing tractors for baggage handling in airports, warehouse transportation or the likes. ... Ringfeder® trailer coupling 2020 A simple, yet reliable coupling for light transport applications.