Grease button fitting

rivercabin53 · Post by **rivercabin53** » Wed Apr 29, 2015 6:58 pm

Hi guys need to find out where a person as in me, where can I buy the end for my grease gun to grease the button fitting on my 350 crawler . And where can a person get the grease? Checked one auto parts and they never heard of corn head grease, but they did have a big block to fit on the gun but was 50.00 be cheaper to change all fittings. Thanks for the help. Larry

jtrichard · Post by **jtrichard** » Wed Apr 29, 2015 11:22 pm

heres one http://www.ebay.com/itm/John-Deere-5-8- ... 95&vxp=mtr

truck209 · Post by **truck209** » Thu Apr 30, 2015 12:33 am

Mcmaster- Carr

Stan Disbrow · Post by **Stan Disbrow** » Thu Apr 30, 2015 5:10 am

Hi,

Corn Head grease is only available from a John Deere dealer. It is for the corn head (oddly enough) of a combine. Those are beyond the scope of the 'farm supply' stores and way, way beyond the scope of auto and truck parts stores.

I suppose the other farm equipment dealers who handle combines would have a similar grease. I have not been in any other than a JD one looking for it. IIRC it is NPI number Zero grade grease (as opposed to NPI number Two for common chassis grease).

What it does, is act like a stiff grease just sitting there, then flows like a really thick oil as things move. Just a little bit thicker than the original track idler and roller oil which used to be available for these machines. That went away about 20 years after they went to fully sealed rollers and idlers.

Anyway, it comes in tubes and loads into a gun just like chassis grease does. The next thing you need is a low pressure gun, not the usual high pressure gun you see everywhere. If you use a high pressure gun it is way too easy to rip out the bellows seal on every roller. Once that happens, dirt gets in and eats up the roller bushings.

Stan

Post by **Lavoy** » Thu Apr 30, 2015 9:07 am

I normally stock them.
Lavoy

Stan Disbrow · Post by **Stan Disbrow** » Thu Apr 30, 2015 11:00 am

Hi,

Oh, and a word about JD dealerships. They have three kinds: Residential/Commercial, Agricultural and Construction. I refer to them as Little Green, Big Green and Yellow because of the signs they use (and the paint on the equipment they sell).

Corn Head grease comes from an Ag dealership. I expect you would get the same 'huh?' response you got from the auto parts store were you looking to get Corn Head grease from a Yellow dealership....

And, the ironic part is that crawlers fit in under Yellow dealerships....

Stan

rivercabin53 · Post by **rivercabin53** » Thu Apr 30, 2015 11:38 am

Thanks guys found some grease at a deere place 120 mile from homes but have to go by there in two weeks so it will work out fine. 3.71 a tube

markmc60 · Post by **markmc60** » Fri May 01, 2015 6:24 am

if you have the JD part number you can have any deer dealer order it for you, residential, ag, or yellow...........

Tigerhaze · Post by **Tigerhaze** » Fri May 01, 2015 2:44 pm

I went to an JD Ag dealer a couple of years back and bought around 8 tubes of Corn Head grease. The parts guy asked if I was getting ready to put up a couple of corn heads. I told him I was using them on rollers for my JD crawler and he just gave me a blank stare

pop pop · Post by **pop pop** » Fri May 01, 2015 11:27 pm

i'll sell you the whole pump

Stan Disbrow · Post by **Stan Disbrow** » Sat May 02, 2015 5:12 am

Hi,

Yup. Blank stares. I don't get them much these days, but then I haul my 420c around to antique farm shows. So, everyone knows I am the Nut with Tracks on a 420.

Since most of the guys who work at the local JD dealer go to the shows, they now understand the concept of lubricating rollers. Even guys from the Yellow shop come by to marvel at how cute it is. The Yellow shop in Garner even has a 40c out front as a sign.

When I first started going to these things, practically no one had ever seen one. They weren't common here in what what tobacco country when they were new.

One thing which they all learned quickly: Do not let crawlers into the Slow Races.

Stan

rivercabin53 · Post by **rivercabin53** » Sat May 02, 2015 6:45 am

op" wrote:i'll sell you the whole pump

what do you have and how much. and does it work. Thanks Larry

scottmi · Post by **scottmi** » Sun May 31, 2015 7:12 pm

I have the button head grease fittings on my 40C 4-roller and one of the inexpensive couplers on my grease gun, but having trouble getting grease to go in.. pump it up, then when take it off, grease starts shooting out the coupler and I suspect did not go into the roller. Suggestions on what to fix/clean in the button heads on the roller?

re corn head grease - interesting. I did not see that term in the JD operator and service manuals I have.. just "SAE 140 in summer with low pressure grease gun."

jtrichard · Post by **jtrichard** » Sun May 31, 2015 7:28 pm

YES they used 140 gear oil in the rollers and a LOW pressure gun as you WILL blow the seals out in a heart beat with a regular gun ... I dont know if corn head grease even existed when you manual/tractor was made..... years ago you could buy ROLLER lube/grease from DEERE JOHN ... as for the fittings you can get them from NAPA ..BUT if its pushing back out I would say you are over pressuring the seals.... the reason for OIL is heavy grease wont FLOW in the bushings at such a low speed

scottmi · Post by **scottmi** » Sun May 31, 2015 7:44 pm

Thanks jt,
don't know that it is getting into the rollers at all, but maybe because I did use some kind of heavy duty grease.. another project to open up, cleanout and inspect... always another project

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