Towing 1.3 tonnes behind an 8.5 tonne m/h is no big deal.
If the weights were closer, I might have a different view.
I vividly remember towing my late father’s 10.5ft van behind a Kombi from Newcastle to Melbourne.
Now THAT was ‘interesting’...

Both caravan weight & motor back there combined to encourage oversteer on every corner tighter than freeway radius.
