Applications: 180-185, LX172/173/176/178, LX186-LX188, GS15/GS25/GS45/GS75 Walk Behind, HD45-HD75 Hydro Walk Behind, 38″/48″/54″ Commercial Walk Behind Specs: Crankshaft ID:1.125″ DIRECTION:CCW PULLEY OD:5.5 Replaces these part numbers: AM115091 JOHN DEERE AM123123 JOHN DEERE 5215-9 WARNER X0409 XTREME X0409-K XTREME Item Includes: 1x PTO Clutch P.