Electric PTO clutch Fits Scag 461772 00191109 482911 Ogura GT2.5-RM01 GT2.5RM01.. IT SHOULD ONLY BE INSTALLED SOMEONE WITH MECHANICAL EXPERIENCE. THIS IS OEM Ogura MADE IN JAPAN CLUTCH NOT A CHINESE KNOCKOFF WITH UPDATED BEARINGS-Ogura Electric Clutch. Replaces Scag 461772, Ariens / Gravely 00191109. Scag p/n 482911. Rich Mfg, Convertible Mower 10507. Ogura GT2.5-RM01. ID 1" Height 3", Pulley Diameter 6", Uses 5/8" width belt.