Replace OEM: Cub Cadet/MTD/Troy Bilt 942-05056A, 942-05056, 742-05056A, 742-05056. Craftsman CMXGZAM110143, CMXGZAM110183, CMXGZAM110179. Specs: Blade Length: 18-5/8". Blade Width: 2-3/8". 6-Point Star Center Hole. Diameter Outside Hole: 13/32", Center to Center Outside Hole: 3. Compatible with Cub- Cadet RZT Zero Turn Mower: RZT-54 KH, RZT-54 KW, RZT-L54 KH FAB, RZT-LX 54 KW, RZT-S54, RZT-S54 KH FAB, RZT-SX 54 KW FAB Ultima Zero Turn Mower: ZT1-54 KH FAB XT1 Enduro Garden Tractor: XT1-GT54, XT1-GT 54 KH FAB XT1 Enduro Lawn Tractor: XT1-LT54, XT1-LT54 FAB, XT1-ST 54 FAB, XT1-ST 54 KH FAB XT2 Enduro Garden Tractor: XT2-GX 54 FAB, XT2-GX 54 KH FAB XT2 Enduro Lawn Tractor: XT2-LX54, XT2-LX54 FAB, XT2-LX54 KH FAB, XT2-ST 54 FAB Compatible with Craftsman Lawn Tractor: T3200, T310, G8400, G8600, Z560, Z6900, Z6600 247.204191 (17ARCACW099) (2016) Zero Turn Riding Mower: 247204190, 247204191, 247277750 Zero Turn Tractor: 247277751 Tight Turn Riding Mower: 247204440, 247204450, 247204470 Compatible with MTD CGT5426 Compatible with Troy-Bilt Lawn Tractor: TB2454: 13AAA2KW066, 13AAA2KW266 Garden Tractor: GT54 FAB 14A7A3KA066, 14A7A3KA011, 14A7A3BA011, 14A7A5BA011, 14A7A3BA066 Riding Lawn Mower: Super Bronco 54: 13AQA2KW011, 13WQA2KW011; Super Bronco 54 FAB: 13AQA2KA011, 13AQA2KA066; Super Bronco 54 XP: 13AQA2BW011, 13AQA2BW066; Super Bronco 54 XP FAB: 13AQA2BA011; Super Bronco 54 Hydro: 13AAA2BW066 Zero-Turn Mower: Mustang XP 54: 17ARCACW01, 17BDCACW066, 17CDCACW066; Mustang XP Pivot S 54: 17ARCBDW011, 17ARCBDW066 Compatible with Columbia CSLT5424