Fits Hustler FasTrak, FasTrak SDX & Raptor SDX mowers.
Replaces Hustler #(s) 125981, 605380.
***Retaining ring installed on shaft is for transportation only, it must be removed before installation on equipment. ***
•Length: 6"
•Spline: 1"-12 Point
•Pulley End Threads: 1/2 - 13 UNC
•Blade End Threads: 5/8 - 11 UNC
•Weight: 5.75 lbs