Applications: Compatible with Cub Cadet Models: 2013 RZT-L54KH, 2013 RZT-L54KW, 2013 RZT-S54 Zero Turn Mowers with 54-Inch Mower Cut Deck Compatible with MTD Models: Craftsman 2014 Z6600 (17ARCACK099), Columbia 2014 ZT-L54 Zero Turn Mowers; Troy Bilt 2013-2014 Mustang 54 XP (17ADCACK066)(17ARCACK011)(17BDCACK066) with 54-Inch Mower Cut Deck Compatible with Toro Models: 2010-2012 LX423 (13AX90RS848), 2010-2012 LX427 (13AX91RS848) with 42-Inch Mower Cut Deck Product Features: Spindle: Height-6 3/4” Pulley Outer Diameter-5 3/8” *Does not include bolts Replaces Part Numbers: .