Huge iron wheel part?

[topconsurveyor]

Neighbor ran into this with a tractor, any idea what it might be? He said its iron, no exact dimensions but I'd scale it off his shoes being about "12

 

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[topconsurveyor]

Other pic

 

[relic nut]

Need more pics. Is it heavy Looks like a wheel weight for a tractor.

HH, Relic Nut

 

[maxpower]

Looks like s wheel weight for a tractor I have similar ones on the front wheels of my fordson