Bigger Trulok has more contact area
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• Dayton Walther has furth developed its Trulok fifthwheel coupling to give a la4 contact area.
It is a different shape, wit a wider, more rectangular t( plate and shorter lead on fm as well as being flatter to gi 12 per cent more bearing surface at 32.7cm2.
According to the manufacturer, the pressed steel material used in the construction of the Trulok is a higher grade than is used i other fabricated fifth wheels available in the UK.
The load rating is increas( to 20 tonnes for fixed applications, while the GCW rating remains unchanged at 65 tonnes.
Trulok's locking mechanisi now uses bolts in place of clevis pins in the linkage pivots for additional strength and ease of service.
For a fixed installation usil universal feet it can weigh a: little as 114kg, or 215kg if it a slider. Low mounting feet contain the fixed fifth wheel height to 165mm.