5 products Ringfeder® trailer coupling RF50 B NZ 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 New Zealand. The self-closing and automatically secured coupl... Ringfeder® trailer coupling 2020 A simple, yet reliable coupling for light transport applications. RINGFEDER Automatic Coupling Oiler Proper lubrication eases movements and makes the coupling less prone to wear and corrosion. This increases reliability and reduces the need for repairs. RINGFEDER JK retrofit kit for RF50 When reversing, an acoustic signal alerts the driver via a buzzer if the drawbar angle is at the risk of jackknifing, preventing equipment damage, downtime and costly repairs. The buzzer is connected ... Expired Ringfeder® trailer coupling 5050 B NZ MSD This coupling is ideal for medium and heavy transportation and works with hinged drawbars as well as centre axle trailers with rigids, or dollies with 50 mm drawbar eyes. Its solid and well-tried cons...