Daf XF gearbox problems?

thanks for the warm welcome. big truck regarding your comments about jumping out of gear with the intarder on, the 530 has an intarder but he never mentioned it jumping out with it engaged, the 480 only has the standard 16 speed ZF. the 530 is currently off the road with the gearbox having been sent away for repair he has an MAN tga on hire just a flat roof with comfort shift says its a load of doggy doo [ technical term ]. :unamused: :unamused: :unamused: