RZ 4219 (965881101) Zero-Turn Mower (2009-01) – 46 inch Deck RZ 4619 (965921501) Zero-Turn Mower (2009-01) – 46 inch Deck RZ 4620 (965881201) Zero-Turn Mower (2009-01) – 46 inch Deck RZ 4621 BF (966582301) Zero-Turn Mower (2010-03) – 46 inch Deck RZ 4622 TBF (967176201) Zero-Turn Mower (2012-08) RZ 5422 (965881401) Zero-Turn Mower (2009-01) – 46 inch Deck RZ 5424 (965881301) Zero-Turn Mower (2009-01) – 46 inch Deck RZ 4619 (965921501) Zero-Turn Mower (2010-01). RZ 4623 (966764501) Zero-Turn Mower (2011-03).