Todd K Kendall Park , NJ August 22, 2014 Appliance: Whirlpool Washer WTW6400SW3 Whirlpool Washer Wtw6400sw3: F51. How to replace Motor Stator (Washer). Replaced Stator, Rotor, RPS as well as tub bearings. 10 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes