This item fits the following:
Rayco: RG 45 Super Jr with 24 teeth (1-1/2" Wheel), RG 55/55T with 24 teeth (1-1/2" Wheel), Super RG50 with 24 teeth (1-1/2" Wheel), RG 70X with 24 teeth (1-1/2" Wheel), RG 74DXH Tow Behind with 24 teeth (1-1/2" Wheel), RG 74T-R with 24 teeth (1-1/2" Wheel), RG 80-R with 24 teeth (1-1/2" Wheel), Super RG85 with 24 teeth (1-1/2" Wheel), RG 90 with 24 teeth (1-1/2" Wheel) Option 2, RG 1645S with 24 teeth (1-1/2" Wheel)