Murray / Noma Transmission Drive Belt fits 36", 38" & 42" riding mowers. Not used on Uniframe models. This belt meaures 95 1/8" X 1/2" and replaces Murray part number 37X11 & 21615.
AYP / Craftsman / Sears Drive Belt fits 18 HP tractors with electro-magnetic clutch on 38" deck. Size: 1/2" x 79". Replaces part numbers 106085X and 532106085.