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Corn Head Grease Experiment

D

DoubleR

Well-known Member
Location
Mid Mi
As I checked the gear box on my old JD 400 grinder mixer today I decided to do a little experiment.
I took the last dab of CHI corn head grease out of the grease gun and put it in the bottom of a cup. I added a little of my Advance Auto 80-90 wt gear lube to it. The lube ran right off the grease and appeared to not want to mix at all with the grease. My first thought was maybe they were right as it would not mix. I then took a screw driver and mixed it up for about a minute. It appeared to me to mix up good together and form a consistency that would properly lube my gear box.
I'm not or do I claim to be an expert in the matter. But I have concluded that I haven't hurt anything in my gear boxes by mixing the two together as I have been doing for a few years now.
I know I have heard that you can and you can't or you shouldn't mix the two together. I just thought I would pass this along as I know it has been discussed more than once on here.
 
i run red hi temp grease and 85-140 gear oil in my 5 foot taylor mower, two 5 foot servis mowers, and 6 foot servis mower no howling gear box"s yet
 
I mix it with Lucas oil treatment. Makes it a little thinner so it flows when it heats up. No gearbox issues yet. Even if it separates I am betting the whirling gears mix it back up.
 
Experimented on a leaking Bush-Hog bottom seal, never ddi get it sealed, but the last concoction was some wheel bearing grease, some sawdust, a chipped-up bar of Dial soap and topped off with 90 wt. Didn't work, but at least I know.
What HAS worked in Farmall steering box is 50-50 blend of red wheel bearing grease and 90 wt., blended up in a coffee can with coat hanger and my drill, and poured in. Hash held for few yeaars now.
 
I have an old rotary cutter that started leaking about 20 years ago I put a grease fitting in the check oil hole and pumped it full of grease been working fine ever since give it a few shots every now and then.
 
Take a close look at the gears.

The gears are case hardened. There is no EP additive to protect the gears in chassis lube.

The thin hardened level will wear away followed by gear (and bearing) failure.

It will take yers but it will happen.

Dean
 
When I rebuilt the steering, bushings for the bolster and new worm gear for the gearbox I tried an experiment. I made a pourable solution of wheel bearing grease and 90 wt gear oil. I mixed it up with the electric drill and an egg beater and watched it for a couple of days. It did not separate so I used it. It appears to still be in solution a year later. Ellis
 
I don't know if you have heard of Asplundh Tree Experts, but they maintain thousands of miles of power line right-of-way on the East Coast. When they get a new rotary mower, they pump the gearbox full of gun grease and go because they can't keep seals in them in those conditions. Gearbox failures are extremely rare except for impact breakage.
 
I have packed steering box full of the grease used on the gears on bottom of a straight shaft weedeater. Its a lithiem-based grease and will not take on water, doesn't get stiff like wheel bearing grease and does not get watery when hot. I figured if it works in that high speed gear box it should work for a steering box.
 
Yea 'only' 20 years machine is over 40 years old.So why is it that lots of bearing come so they can only be greased? If grease let things wear out it'd be useless.
 
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