451 7' Cutterbar Length: 7 ft., 3 in.
or 9 ft., 3 in.
Tractor Requirements: Category I or II 3-pt. hitch, 540 rpm PTO
451 9' Cutterbar Length: 7 ft.,3 in.
or 9 ft., 3 in.
Tractor Requirements: Category I or II 3-pt. hitch, 540 rpm PTO
456 Cutterbar Length: 9 ft., 3 in.
Tractor Requirements: Standard ASAE drawbar, 540 rpm PTO
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