Just as a sidenote. The title on the book I was talking about is, Germany's Tiger tanks; VK 45.02 to Tiger II, Design, production & modifications. By Thomas L. Jentz & Hilary L. Doyle. Published by Schiffer Military history. ISBN: 0-7643-0224-8
This book will tell you all you need to know.
There is a book just like it on the Tiger I also by Thomas L. Jentz.