4 products 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 Valve box kit The valve box is used to operate AM/RL Ringfeder couplings. The box is developed for maximum safety, and the reliable function has been tested under rough conditions. The construction is made to excl... RINGFEDER 404 AUS AM JK Retrofit kit 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 ... 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 ...