Okay detectorists -- What is it? Found in SE Michigan...

[jamest64]

So, found this in my neighbor's yard....what is it? Resembles a giant wrench. Shaft is about 2 feet long.

 

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[bologna321]

Tractor pto shaft I think

 

[JMac48]

I would say a pto shaft as well could be off a mowers side.

 

[Digger RJ]

Nice!!! Congrats!!!

 

[jamest64]

OK, I personally thought it looked like a fire hydrant wrench...bit i'll look up a pto shaft. Thanks guys
Jamest64

 

[jamest64]

problem with the shaft is the shaft is flat perhaps 1/3 of an inch thick i can measure it tomorrow...

 

[bologna321]

Most of the shafts ive seen are square tubing

 

[Georgivs]

It looks like a reciprocating arm off of machinery. Probably a tractor, maybe a sickle bar mower. It looks like the hemisphere bolts on in two pieces which would go over a ball to form a ball joint.