Independent PTO, 8 bolt, 4 lever, 29 spline, 1-7/8" hub. Ford/New Holland Tractors: 4000, 4100, 4110, 4200, 4410 (10/1971 & up), 4140, 4600, 4600SU. Ford/New Holland Industrials: 4140, 4400, 4500, (10/1971 & up); 531.
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