Not sure on your coach. We (our son and his friend) took ours out through the door. We had to take the ends off and flatten the seating and back.
The passenger chair was turned with the back to the wall. It was a tight squeeze and if I had it to do again I would remove the door stop arm to allow the door to open a little farther.
Not sure this will help you, but it worked for us.
Howard & Elaine
2001 Newmar Dutch Star 4095
2014 SRX toad, M&G breaking, Blue OX Avail