Looking for 24mm or 15/16" pins

   / Looking for 24mm or 15/16" pins #1  

quicksandfarmer

Elite Member
Joined
Dec 2, 2006
Messages
2,516
Location
Coastal Rhode Island
Tractor
Jinma 354, purchased 2007
My tractor has a folding ROPS that is locked with two clevis pins, I've lost one of them. As far as I can tell they are 24mm diameter. I haven't been able to find a dealer who has a replacement. I tried using a 7/8" hitch pin, it was too small, and a 1" pin was too big. If they are 24mm then 15/16" would be 23.8mm and I think that would work. Length is about 4".

So far no luck in finding anything suitable. Any pointers?

Thanks.
 
   / Looking for 24mm or 15/16" pins #2  
If you come by, I can turn that 1 inch pin down to any size you need on the lathe. Not a simple task, as the commercial pins don't give much material to chuck up on. I bet you could live with a center hole for this application ;-)
 
   / Looking for 24mm or 15/16" pins #3  
24mm is a really odd size. Could they be 25mm which would be 0.98"? That's a common clevis pin diameter you can get from McMaster Carr or Misumi. I'd just turn one on the lathe out of 4140 if it's really 24mm.
 
   / Looking for 24mm or 15/16" pins #4  
get a replacement from the dealer.

The cost will be worth not having the hassle.
 
   / Looking for 24mm or 15/16" pins #5  
My tractor has a folding ROPS that is locked with two clevis pins, I've lost one of them. As far as I can tell they are 24mm diameter. I haven't been able to find a dealer who has a replacement. I tried using a 7/8" hitch pin, it was too small, and a 1" pin was too big. If they are 24mm then 15/16" would be 23.8mm and I think that would work. Length is about 4".

So far no luck in finding anything suitable. Any pointers?

Thanks.

McMaster-Carr

1751598943260.png


1751599021289.png



My folding ROPS uses the same size your machine has. And it has these McMaster clevis and pin setup.

DSCF6748.JPG
 
   / Looking for 24mm or 15/16" pins
  • Thread Starter
#6  
24mm is a really odd size. Could they be 25mm which would be 0.98"? That's a common clevis pin diameter you can get from McMaster Carr or Misumi. I'd just turn one on the lathe out of 4140 if it's really 24mm.
It could be. A quick google tells me that 25mm pins are available. I'll order some and see.
 
   / Looking for 24mm or 15/16" pins
  • Thread Starter
#7  
It could be. A quick google tells me that 25mm pins are available. I'll order some and see.
I measured it, it's definitely 24mm.

Dealer recommended a 24mm bolt. I'd need to figure out a way to keep the nut from rattling off but still make it quick removal.
 
   / Looking for 24mm or 15/16" pins #9  
Honestly, if you have a hand grinder or a bench grinder, just shave a larger one down a bit. Take a few minutes. Wouldnt need a mill.

Or enlarge the hole to a standard size pin.
 
   / Looking for 24mm or 15/16" pins #10  
piece of 15/16 or 24 mm rod weld head on one end drill hole for hitch pin on the other or like stated a bolt depending on what you can find available.
 

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