Trailer safety chain is attached between the drawbar and the towbar for the purpose of retaining connection between the towing vehicle and the trailer in the event of coupler failure. " Standards Australia AS 4177.4"
The combination of trailer safety chain as per AS 4177.4 and Grade 'S' shackles rated 0.5T ,0.75T & 1T (WLL) as per AS 2741 are satisfactory to use as a connection point between trailer safety chain and the tow bar of a towing vehicle.
6mm Grade S Dee and Bow 0.5t (or above) shackles are suitable for trailers up to 1600kg aggregate trailer mass. 8mm Grade S Dee and Bow 0.75t (or above) shackles are suitable for trailers up to 2500kg aggregate trailer mass. 10mm Grade S Dee and Bow 1.0t (or above) shackles are suitable for trailers up to 3500kg aggregate trailer mass.
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.