Help me Identify This John Deere Lift Disc?

[sweettractors]

This is a John Deere disc and that is all I know. It is on roller bearings and has scrappers. The disc is not setup conventionally as you can see in the pictures. It almost looks like a variable offset disc that is adjustable? I bought it because I have never seen one like it. Ken Sweet

 

[JoeinTX]

Ken, that's a stumper. I, like you, have never seen a disc set up like that.

It appears (as you say) to be based upon the long frame of an off-set. But I don't see any practical advantage to arranging the tandems in an stepped fashion like this while also hanging them even farther off of the back of the tractor than is necessary to achieve this function.

I wonder...........might it be a homemade re-engineering job? For what reason I don't know but it looks like a reinvention of the reinvention of the wheel. It's not a terracing set-up.

Like you say, a "variable" configurable tandem/off-set mounted disc but I can't see the reason for it.

 

[joecdeere]

that looks like the old 100 series Deere Disc from the 70's

 

[dcyrilc]

joecdeere may be right. It looks pretty similar to my 105 disc.

 

[sweettractors]

Here is what I have found out from another forum, since I posted the pictures.

Model 100 "Level Action" disc. Design was intended to eliminate center
ridge left with conventional disc's. With a smaller disc, you made more
passes. That would leave more center ridges... The 100 would eliminate
that issue. Built in the mid 70's through mid 80's. It was quite a bit
more expensive than short line 3-point discs. Built in 3 widths. This is
the smallest of the 3.

Ken Sweet

 

[joecdeere]

I'm not sure, but I base that on that the 100 series is the only one I know of with the "tail" on the rear right to have the side that way. I only remember this because I left a good chunk of my kneecap on one at an auction many years ago

 

[dcyrilc]

I'm not sure, but I base that on that the 100 series is the only one I know of with the "tail" on the rear right to have the side that way. I only remember this because I left a good chunk of my kneecap on one at an auction many years ago

So you're saying that it left an impression?

 

[joecdeere]

yep! still have a scar there!

 

[jenkinsph]

Ken,

I guess this is one of those "trust but verify" deals.:laughing:

So which one do you have, width and blade sizes.

 

[sweettractors]

Ken,

I guess this is one of those "trust but verify" deals.:laughing:

So which one do you have, width and blade sizes.

It is set up now to about 7-8 working width. Blades are 19 inch diameter. Ken Sweet