I had 450 hours on my first 460 and now 220 on the new one with the kohler efi. Very good cutting, smooth operating and well built machines. Really cant go wrong with any of the commercial gravely mowers.
2013 Gravely 460Z 29EFI
2011 Gravely 36GR
2008 Gravely 160Z
2004 Gravely 34Z
1998 Lazer Z HP 48 (old faithful)