WINTERHOFF WW 8 Ball Coupling The sheet steel model, available in many versions for all drawbar connections, offers practical one-handed operation with a large handle. The handle with integrated safety lock prevents accidental opening. The socket holder can be installed on the handle. A multifunction display on the side of the housing shows: Coupling status: open/closed; Wear: clutch/ball. Open the coupling by tilting the handle forward. Close the coupling by pushing down or applying a vertical load. CE Approval No. 00-0229 e4. Anti-theft protection: Mortise lock in the handle. Technical Specifications: Version A. Drawbar - Ø: 50 mm. 800 kg trailer load. 75 kg permissible drawbar load. Drill holes: 11 mm. Connection: 90 mm FORMA: REDONDO ZUGROHR (DEICHSEL): 50 MM SCREWED IN: FROM ABOVE HOLE SPACING: 90 MM HOLE: 11MM ACHLAST: 800 KG STÜTZLAST: 75 KG