Kubota ZD1611 Zero-Turn Mower The ZD1611 is available in three deck configurations: a 72-in. side-discharge mower, as well as 60- and 72-in. rear-discharge mowers. Kubota Tractor Corp.

It seems the costly parts aren't only an issue with the zero turn mowers either, as one owner explained (via Orange Tractor Talks), "It's almost like Kubota doesn't want to sell their customers parts.