Model Compatibility: Fits: Bush Hog rotary cutters Caster Fork Specifications: Yoke Diameter: 1-1/4" (31.75 mm) Axle Hole Diameter: 3/4" (19.05 mm) Fork Inside Width: Approx. 5-3/5" (145 mm) Overall Yoke Length: 16-1/2'' Usable yoke/shank length: around 6-1/4? (155 mm) Replaces OE#: 63740 Warranty: 12-Month At ATRACYPART, we take pride in the quality of our products and in your satisfaction. If you have any problems, do not hesitate to contact us.