Just a question

I didn’t know they made hitch pins growing up on the farm. With dads 50 and less hp tractors most pins were 1/2 inch bolts, square head old school not hardened.

Valve stems as someone pictured were used to pin the swinging drawbars in place. And one harrow had a very small pin hole, it got a valve stem often.

Really hardly ever left the farm with a tractor pulling anything, so we weren’t on the road with such stuff.

Wasn’t until we got the 85 hp tractor that a ‘real’ hitch pin showed up.

I’d think grade 5 bolt would work well for modest and appropriately sized loads for the bolt size. If you look at a wagon for example, there is a grade 5 or 8 bolt holding the hitch to the wagon, it would just as well hold the hitch to the tractor drawbar wouldn’t it?

Paul
 
I didn’t know they made hitch pins growing up on the farm. With dads 50 and less hp tractors most pins were 1/2 inch bolts, square head old school not hardened.

Valve stems as someone pictured were used to pin the swinging drawbars in place. And one harrow had a very small pin hole, it got a valve stem often.

Really hardly ever left the farm with a tractor pulling anything, so we weren’t on the road with such stuff.

Wasn’t until we got the 85 hp tractor that a ‘real’ hitch pin showed up.

I’d think grade 5 bolt would work well for modest and appropriately sized loads for the bolt size. If you look at a wagon for example, there is a grade 5 or 8 bolt holding the hitch to the wagon, it would just as well hold the hitch to the tractor drawbar wouldn’t it?

Paul
As a kid the galvanized insulator bolts that were on the old telegraph cross arms from the RR were in every tool box. Pulled a lot of crop back to the yard.
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