{"Exmark":["52\"","60\" and 72\" Lazer Z Triton decks","Serial No. 600,000 and higher; Turf Tracer hydro with floating decks","Serial No. 190,000 and higher; 52\"","60\" and 72\" Lazer Z deck group","Serial No. 102,000-370,000"],"Toro":["Z 250's Z Master 742XX Series","with 52\"","62\" and 72\" decks","1999-2021; 74260 Z 597 with 60\" and 72\" decks; Z 500's Z Master","with 60\" and 72\" decks","2004 and newer"]}