stuck dishwasher water line

[ddd]

Hi all,
I was uninstalling my old dishwasher but I found one problem. The water supply line is stuck to the dishwasher. The plastic nut is completely 'glued' to the water tube. So ,what should I do? Should I cut through the tube? In this case, can I buy a new nut part and fix it to the line before installing the new dishwasher?
There is also a metallic part to the tube, just after the plastic nut, though it feels as hard to loosen...

And by the way, any recommendations when buying a new dishwasher? tips,brand, models etc.
thank you
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[Diyisfun]

If you cannot under the pipe from the dishwasher, dont worry undo it from the tap. Your new machine will come with a new pipe.
As far selecting a machine, if you are happy with the make you are replaceing get the same, if you arnt happy ger a differnt one.

 

[ddd]

thanks, that is useful to know,although I just reach with my hand in an awkward position, and I havent got the strength in my fingers to undo it from the tap.