Belt for: - 400 and 500 Series (variator/transmission) - 400-600-800 Series (variator/self-propelled) - 300-400-600 Series Lawn Tractors (variator) - B 130 Measurements: 5/8" x 43" MTD-WHITE-YARD MAN-COLUMBIA-NOVA TRAC Code 613281 Reference original code 754-0281