MAGNETIC CLUTCH FOR LAWN TRACTOR TAG LIAER LAWN MOWER SIMPLICITY FOR ZERO TURN MODELS CITATION 22-52 , 25/52 , 26/52 , 28/61 , B28/61 , COBALT 26/61 , 30-61 , 32/61 MODEL - TECHNICAL CHARACTERISTICS SHAFT DIAMETER 25. 4 mm HEIGHT 102 mm PULLEY DIAMETER 133.4 mm TRAPEZOIDAL BELT WIDTH 12.7 or 15.9 mm CODE: 25271577 ORIGINAL CODE 1687296SM , 1686883SM SR