Snapper Electric PTO Clutch - 255-511 - Replaces 7053740 / 5-3740 255-511 Snapper Replacement Electric PTO Clutch Replaces (OEM) Snapper 5-3740, 7053740, and Warner 5217-35 and 5217-9 Fits Snapper mowers and 1/2" or 5/8" belt widths Measurements: 1" inside diameter, 3" height, 5 3/8" diameter of pulley Counterclockwise direction