MAGNETIC CLUTCH FOR ROTARY MOWER MTD RZT 54 MODEL - TECHNICAL SPECIFICATIONS SHAFT DIAMETER 25.4 mm HEIGHT 107. 9 mm PULLEY DIAMETER 149.2 mm TRAPEZOID BELT WIDTH 15.9 mm CODE: 25270269 ORIGINAL CODE 717-05001 , 717-1774C , 717-1774 , 917-1774C , 917-1774 SR