The Kawasaki Difference: Kawasaki Strong - Our Fastest, Most Powerful Six-Passenger Mule EverThe 2017 Mule PRO-FXT Side x Side has incomparable strength and endless durability backed by over a century of Kawasaki Heavy Industries, Ltd. engineering knowledge. Go and get the job done with the Mule PRO-FXT Side x Side three-passenger Trans Cab system, or easily convert it to six-passenger mode for a revolutionary new way to work and play.