A-1900970M1-AI Hyd. Double Breakaway ClampOne New Aftermarket Replacement Hydraulic Double Breakaway Clamp Pioneer 5006 4 Fits Massey Ferguson 1900970M1 This hydraulic double breakaway clamp is designed for use with standard 1 2" body size agricultural quick couplings that have 1 1 2" diameter push pull type sleeves. When the coupler female bodies are properly installed in the clamp, the push pull sleeve allows the coupler and male tip to automatically disconnect and close valves in a