I'm a college student, and I've been doing lawn care and landscaping for several years. I currently have a Gravely ZT 44 HD. I love this mower. I have had ZERO problems with it, and the cut quality is as good as most of the higher end commercial mowers that I have seen. I am currently trying to expand and maybe turn this job into a career. I would like to add another mower that way I can avoid downtime when mechanical problems finally do come. I cannot decide which way to go, though. 1. I have thought about getting a Walker because of the cut quality and ability to control clippings. If I did this I thought I might put a 52 inch deck on the Gravely. It has a Kawasaki FR691V 23 Horse enigine. Would this be too much deck for the motor? This would be short term until I could buy another larger mower. 2. I have also thought about getting a larger ZTR. Most likely a Gravely Proturn 160 or 260. I love Gravelys. They are very popular where I am located. If I did this I would use the ZT HD as a backup and for getting into tighter places. Most of my accounts are medium to small residentials with a few large properties. Any help would be greatly appreciated. Thanks!!!