Compatible with 44" (1117 mm) cut Toro XL440H deck model 79109 as the cutter deck belt. Belt Position & Size: Compatible with Hustler Cutter/Toro Cutter Deck Belt (1/2" Wide x 126" I.D / 128" O.D). Compatible with 42" (1067 mm) cut Hustler Mini FasTrak 16/42 (927368) and Mini FasTrak 17/42 (927350) as the cutter deck belt.