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08-29-2023, 11:41 AM | #1 |
Junior Member
Join Date: May 2010
Posts: 27
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Corn Head Grease in Model A trans?
Has anyone had successful experience using John Deere Corn Head Grease in a Model A transmission?
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08-29-2023, 11:58 AM | #2 |
Senior Member
Join Date: Nov 2018
Location: Farmington MI
Posts: 284
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Re: Corn Head Grease in Model A trans?
Good for the steering box but not the trans. Although a "flowable grease" still way to thick for the trans.... My $0.02 worth
Joe B |
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08-29-2023, 12:48 PM | #3 |
Senior Member
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Re: Corn Head Grease in Model A trans?
It might work in Death Valley where it was 139 degrees this summer or Palm Springs where it was 118 degrees a few days ago but I doubt it would work anywhere else except maybe Saudi Arabia. The Saudis don’t change the oil and transmission fluids, they change cars every 5,000 miles.
David Serrano |
08-29-2023, 12:50 PM | #4 |
Senior Member
Join Date: Jan 2012
Location: Western North Carolina
Posts: 3,903
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Re: Corn Head Grease in Model A trans?
It is going to be hard to beat modern 85W-140 G5 gear oil. The oil has an additive that attaches to the surface of the parts, gears and bearings, and wears without allowing the underlying material to wear. If you buy the end seal parts with the tubes, the steering box will not leak so the modern gear oil can be used there too.
Here is an old story that some of you may have heard. It is from the 50's and 60's. I don't know how true it is. The story goes that unscrupulous sellers of Model A's would put sawdust in the worn out transmissions to quiet them down. Anyone else heard this?
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
08-29-2023, 01:07 PM | #5 |
Senior Member
Join Date: May 2010
Location: Southern California
Posts: 3,131
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Re: Corn Head Grease in Model A trans?
I heard that story back in the 50's. They would also put sawdust in a noisy rear end. I also heard they used banana peels.
Tom Endy |
08-29-2023, 01:30 PM | #6 |
Senior Member
Join Date: Jan 2020
Location: SF Bay Area
Posts: 1,079
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Re: Corn Head Grease in Model A trans?
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JayJay San Francisco Bay Area ------------------------ 1930 Murray Town Sedan 1931 Briggs S/W Town Sedan |
08-29-2023, 02:30 PM | #7 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,440
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Re: Corn Head Grease in Model A trans?
All true but none worth a darn. John Deere helped to develope their thixotropic corn header gearbox grease to add life to the header gearbox. That gearbox is a very complicated unit. It has one input and multiple output shafts. None turn at real high rpm. Seepage can kill a unit like that unless operators check it for fluid level on a regular schedule. A lot of them didn't and they would fail. The new lubricant didn't totally foolproof the unit but it would get it out of warranty.
Steering gears and torque tube U-joints benefit from using it but I wouldn't recommend it for spur or helical gears. |
08-31-2023, 10:15 AM | #8 |
Senior Member
Join Date: May 2010
Location: Bucks Co, Pa
Posts: 3,740
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Re: Corn Head Grease in Model A trans?
My rule is; If power runs through it, it wants thinner oil! The exception being a Model A transmission.The model A transmission has to be shifted and thick oil helps with the shifting and the sealing, aside from lubrication. I have tried Lucas Hub Oil, STP, and various concoctions, and like the engine, the model A is so forgiving and they all seem to work fine. While, I use a thinner rear end lube, too thick a lube kills HP. I tend to default to the heavier oils where shifting is involved.
Terry |
08-31-2023, 03:35 PM | #9 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,440
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Re: Corn Head Grease in Model A trans?
I agree with the previous post. The spur gear transmissions needed thicker lube to aid in rpm control for shifting. When the semi synchronized transmissions showed up in 1932, it allowed for less viscosity since most folks wouldn't downshift to low gear. The big truck transmissions were an exception since they kept spur gear transmissions till well after the war.
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09-02-2023, 11:57 PM | #10 |
Senior Member
Join Date: Feb 2011
Location: Chicopee, MA
Posts: 1,402
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Re: Corn Head Grease in Model A trans?
Don't tell my wife about the Banana Peel method because I fart a lot. Or do you mean a Model A rear end because that hole is pretty small too!
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