Mines going on about 8 years now and all I have done is replace the battery once. It's a good machine. Well built. No rust to speak off. Deck is very well built. I can't see any possible way to improve on it by design or other brand
I bought an outlaw extreme 61" 31hp Kawasaki in 2012 or 13,can't remember lol. So far I've put a battery on it,changed the belts once. The bearings in one deck spindle went out under warranty when it was right at two years old, they fixed that for free. I love mine and how open the machine is, everything is not crammed into tight places you can't get to work on it. Very heavy deck.