magnum500sw
The number they gave you is correct, I just measured it as well you will have enough to get it in, but it will be tight as you will have it on a fork lift or skates which will add 2.5 to 3.5 inches,this one sitting on the floor on it's leveling feet is 80", so yes the conduit tube with the Z axes cables is all you will have to deal with, If using a fork lift you need a minimum of 5' long forks or you won't be able to lift it, with standard length forks
Here are some photo's of the Z axes with the machine in it's Homed position
The whole travel is usable, no one would ever be milling at this height, this is were you can use it to clear parts on the table or vice for clearance rapid moves