Riding Belt lawn mower - MTD 511-521-560-561-76 cm 30" (Engine - Flat) - Wite R 11-8-10-11,5 HP 76 cm - 30"(Engine - Flat) - Yard Man 115-30-76 cm - 30" (Engine - Flat) Measurements: 1/2" x 52" inches compatible with MTD-WHITE-YARD MAN-COLUMBIA-NOVA TRAC Part No. 680052 Reference original code: 754-0264 7540264 954-0264 9540264