XTREME ELECTROMAGNETIC CLEARING CLUTCH for lawn tractor lawnmowers lawn mowers JD: 647-657, 667 QUIKTRAK 717, 717 ZTRAK, 727 ZTRAK features height in mm: 77,60 Cable length with plug in mm: 270 Suitable belt width in mm: 12. 7 / 15.8 / 17.0 Upper pulley Ø in mm: 19.70 Pulley Ø in mm: 152.50 Inner pulley Ø in mm: 25.4 CODE: 31-248 ORIGINAL CODE: XTREME X0359 CZ