Ford 640 front axle pivot pin question

[JL86]

I'm working on renewing the bushings/bearings on the front of my 1955 Ford 640 but I have a question before I put it all back together. I've ordered a new bushing from Steiner tractor (ABC379) and had to order a threaded pivot pin (NCA3127A) from a different vendor as Steiner doesn't have the threaded version.

I haven't pressed the bushing in yet but sliding the new pin through the new bushing there is a bit of play, it can wobble back and fourth some, I would have thought it would fit fairly tight. Do I have wrong parts or are the tolerances on these older tractors just not that tight?

Also wondering is there is a source for the "split ring" that fits just under the ears of the threaded pivot pin, mine was partially destroyed taking the thing apart. The manual references it but also says later models did not have it, so is it even needed?

Thanks JL86

 

[CTWright]

I have not done the pivot pin, but i have done the kingpins on my 59 641 and a 50 MF-65. Each time the bushings had to be reamed to fit th diameter of the pin sliding into the bushing. I would measure the OD of the pin and the ID of the bushing. The bushing should be smaller.