M6800 pulling discs over plowed sod clay ground - anybody done this and what size/width discs did you use please.

[Gus1957]

Hello,

Repairing hay field sections and over old tile lines that have sunk - I would like to smooth out and replant. . Not a production type job.
Appreciate anybody's info or a tractor with HP close to 68hp with 4WD.

Thank you!