Transmixer PTO drive. The spline is 1 1/8”, drive wheel is 3” OD diameter X 6 1/4” length, spins freely, no wiggle in turning, good bearings. Over all height is 13”. Flange bolt holes are on 4 1/8” centers. 4 bolt flange to bolt right up to Ford 9N, 2N, 8N, Jubilee, NAA and other tractors. Photos available with e-mail. Thank you. John