Electric PTO Clutch for John Deere LT190 SST15 SST16 SST18 AM126100 - Upgraded Bearings Stainless steel brake rivets for a long and safe service life Full Control of Clutch Engagement Simplified No Linkage Design SPEC: 1.00" Crankshaft, 5.450" Offset Pulley, Counter Clockwise, A/B Belt, 125 ft.lbs torque Fits: John Deere LT190 SST15 SST16 SST18