Historically a cannon and limber were pulled by up to 6 horses, but we have traded them in for a modified school bus.  Over the years Battery G has gone thru a number of buses.  Here is the latest version, but this time we enlisted the help of the students at  Blackhawk Technical School in Milton, Wisconsin to help with the conversion.

Here is a very good article about the buss overhaul at The Fabricator which walks through the various challenges the build team faced and how they overcame them.