The Grenadier is known to the Channel Tunnel ...

[Christoph]

I was just looking for fares for the channel tunnel between France and England for our planned Scotland trip next summer, and voila, the Channel Tunnel recognizes the Grenadier from the vehicle make selector:

 

[DenisM]

Christoph, your post prompted me to test the "Spirit of Tasmania " website.
I put in April 2023 because I'm optimistic!! anyway it's listed @ 2.04m height.
Now for a contract and a build/delivery date!