Category I
Tractors from 20-45 hp
Top link pins: 3/4" diameter
Lift arm pins: 7/8" diameter

Category II (2)
Tractors from 50-95 hp
Top link pins: 1" diameter
Lift arm pins: 1-1/8" diameter

Category III (3)
Tractors from 95-100 hp & up
Top link pins: 1-1/4" diameter
Lift arm pins: 1-7/16" diameter

3-Point Hitch Specs
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