This could be the last mower you’ll ever own.  The top dog in  our line-up, the AOS Diesel comes locked and loaded for blasting  through commercial work. Fuel efficiency, reliability and the sheer power of either the Three Cylinder 28hp or  Four Cylinder 35hp Caterpillar bring brute force power to bear on whatever territory you mow. With our patented EZ-Ride system, incredible reliability and build strength, the AOS Diesel is  more than just the toughest mower in the  industry, it’s also a wise business investment. This is the one mower that will stand up to years of hassle-free performance.