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Question on corn head grease

D

David G

Well-known Member
I am planning to put a grease zerk on the steering gear for the MH44 and want advise on whether to use corn head or regular grease.

I have a little 85W-140 in the box and do not want to take it apart and clean it. Will this be OK with corn head grease?
 
If you have a oil base grease or 90w already in there it is my understanding you can not use J.D. corn head grease. Its like mixing oil and water.

They do make a oil based grease that is the same consistency of corn head grease that can be mixed with 90w; the problem I had was finding it in small home owner sized containers.
 
John Deere brand "Corn Head Grease", comes in
regular grease gun tubes. I just got some from
my JD dealer !
 
I would not.

Regular chassis grease is to thick. It will make steering hard as the gear tries to move up and down the steering shaft.
Once it moves the grease out the way the steering effort will be less but then the grease will be packed into the corners of the box and doing you no good.

Trying to mix 90w and chassis grease and getting it to stay mixed in a flowable consistency will be near impossible.
 
David just drain all the old 85-90 grease out and use JD corn head grease. What little bit of old gear oil that is there will cause ZERO problems.

DO NOT use regular gun grease. It will not flow good enough for the steering box. It will just make a mess.

I have done literally 100s of gear boxes with corn head grease. I have never had and issue with it and the old oil/grease.
 
Why not use the grease that they use on the gears in the lower end of a straight shaft weedeater? You could pack it full of this grease. It doesn't melt under heat and doesn't get as stiff as gun grease in cold weather.
 
The thinner oil/grease will just leak out the bottom and the thicker grease will stay in the box. The thing with corn head grease is that it flows well below its flash/burn point, real low. Regular grease burns just a little hotter than where it will flow.


Try this one time. Put a small bit of corn head grease on you hand. Just hold it out flat. In a short time it will soften with just your body temperature.

Remember your putting it into a steering box on a tractor. Think about how few times it actually turns compared to a corn head snapping roll???
 
Didn't know you coulden't mix cornhead grease and gear oil. I've been doing it for years and it works fine for me. What I do know is you're better off with no grease at all than chassis grease in a steering box. JMO
 
I use Lubriplate 105. Consistency is about half way between 90W oil and #2 grease. Primary use is coating bearings and all during reassembly in an engine overhaul. Most auto parts stores carry it.

It's thick, but not so thick as to not flow around in the steering box. Being thick it's reluctant to leak out the worn seals. Ford 2000.

Mark
 
Many folks do but CH and gear oil will not mix because they are made from different stocks.

Dean
 
I use the CIH corn head grease in my grinder mixer along with the 90wt lube.
I just read on here a little while ago you are not suppose to mix it. I guess its too late now so I might as well continue. I don't see where it has caused any problems.
 
Maybe I'm a little blunt but do as JD Seller said, pump the corn head grease in there and forget about it. I've used boxes and boxes of corn Deere head grease in various gear boxes that had a little 90wt in them and I haven't had one of them go out on me yet. A steering box is about as low speed as you get so anything that is thick enough to not run out the seal is good enough. I have yet to see an overheated, smoking steering box on an old tractor. LOL. Jim
 
It"s simple, go to your JD dealer and get a box of corn head grease tubes and pump gear box full and forget about it. Ignore all the other chatter. Jim
 
I checked with dealer this morning, their corn head grease is oil based, said just pump it in. It is interesting how many different stories you get here, and usually just pick the majority opinion if I do not know.

Thanks to everyone.
 
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