Bellemare's Kenworth 60156 had an extra long trailer and dolly. Although the KW did not have an extra long cab, it did have lots of sleeper packed in.
And a shorter one:
This Mercedes Actros 3344 looked to be was fresh off the boat. Someone obviously wants the short overall length from a COE, in a heavy duty truck. It appears to be road ready for Canada, but never driven yet.