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07-17-2022, 01:16 PM | #21 |
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Re: Transmision oil
You won't go broke if you buy some known good gear oil and use the unknown mystery stuff to oil your tools.
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07-17-2022, 07:37 PM | #22 |
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Re: Transmision oil
I asked " how can I test"
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07-17-2022, 11:02 PM | #23 |
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Re: Transmision oil
Are you a chemist? Do you know one? Or a lab? I don't have a better answer for you.
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07-18-2022, 02:00 AM | #24 |
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Location: Along the Red River, Texas
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Re: Transmision oil
For better or worse I was told to put STP in the trans when we got the 30 model. It hasn't had any leaks and shifts fairly well, but I don't have another A to compare it to.
Dad was a firm believer in STP in the crankcase on an old motor, I've used it myself over the years for same reason. I guess the drain test NKAMINAR suggested is as good as any unless you have access to a chemist. You said its thin...If it walks like a duck...its probably a duck. |
07-18-2022, 07:22 AM | #25 |
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Re: Transmision oil
I have not seen any factory document that indicates 600W as a lubricant for the Model "A" Ford. However, finally in the 1932 November Service Bulletin, on Page 76 Ford dedicates a whole page to "Lubrication Specifications" using SAE designated products. The bulletin states for "Gear Oil - Winter SAE 110** - Summer 250**.
**Due to the overlapping viscosity for gear oils SAE No. 90 can satisfactorily be substituted for SAE No. 110 when SAE No. 110 is not available. SAE viscosity No. 160 can be substituted for SAE No. 250 when SAE No. 250 is not available." Also noteworthy is the 1932 Bulletin specifies, "Engine Oil - Winter SAE 20 - Summer SAE 40." Lubricants today are greatly superior to what was available when the Model "A" was in production. In my locale, GL5 SAE 75W140 Gear Oil is readily available, so that is what I have been successfully using in the transmissions and differentials of my Model "A's" for many years & thousands of miles. If you find that SAE 75W140 Gear Oil does not have enough viscosity for your technique of shifting (so it is difficult to shift gears without grinding), blend it with STP which is a viscosity improver.
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Bob Bidonde Last edited by Bob Bidonde; 07-18-2022 at 07:34 AM. |
07-18-2022, 11:18 AM | #26 |
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Re: Transmision oil
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I find 90 and the synthetics too light, at least for me. |
07-18-2022, 08:19 PM | #27 |
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Re: Transmision oil
I don't like the "one oil for everything" policy. I use corn head grease in the steering box. I use a standard rear end grease for the constant mesh reargears. (with a little STP, sorry guys, I believe in the stuff! ). And Lucas Hub Oil in the transmission. I think constant mesh and shifting gears should have different lubricants. Show me where I'm wrong! I'll listen!
Terry |
07-22-2022, 06:42 PM | #28 | |
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Re: Transmision oil
Quote:
Patrick, I just changed my differential oil with Bratton’s 600W because that was what I had on hand, but I’ll probably be looking for similar modern oil for my next differential oil change. Where do you find what you use? Sent from my iPhone using Tapatalk |
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07-22-2022, 06:50 PM | #29 |
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Re: Transmision oil
Brattons 600W is 140 gear lube, from the website
This is a 140 SAE industrial gear lube. This product is the accepted oil for the old 600W oil. Transmission: 1 1/2 pint; Rear end: 1 1/2 pint; 7 Tooth steering box: 7 3/4 oz.; 2 Tooth steer. box: 4 1/2 oz. QUART BOTTLE. |
07-22-2022, 07:27 PM | #30 | |
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Re: Transmision oil
Quote:
The differential really doesn't need a 'heavy' oil and any good gear oil such as 90 or 140 will work fine. I get what I use at the auto parts store. |
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07-22-2022, 07:35 PM | #31 | |
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Re: Transmision oil
Quote:
I've not noticed this before. I wonder if this is something the Brattons has started recently. It does say this/their oil is thinner than the original 600W. But 140 works just fine. Its what we have used in old transmitters since I was a kid. [ before everyone switched to 90.] |
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07-22-2022, 08:01 PM | #32 | |
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Re: Transmision oil
Quote:
Hmmm… Here is what is on the bottle label that I have. I bought it about a year ago. Sent from my iPhone using Tapatalk |
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07-22-2022, 08:09 PM | #33 |
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Transmision oil
Wow! This is a bit pricey, and it is out of stock.
250W Pro Gear Oil - 1 gal https://www.walmart.com/ip/839748789 Sent from my iPhone using Tapatalk |
07-22-2022, 08:14 PM | #34 |
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Transmision oil
Similar price for a smaller volume. Plus it’s synthetic—I don’t know if that would be more prone to leak or not.
Super Lube 54100 Synthetic Gear Oil ISO 150, 1 Quart Bottle, Translucent https://a.co/drOG0Aq Sent from my iPhone using Tapatalk |
07-22-2022, 09:25 PM | #35 |
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Re: Transmision oil
Stalube 140, I get it at Napa, amazon has it also.
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07-23-2022, 05:09 AM | #36 |
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Transmision oil
Thanks, I found it.
Sta-Lube GL-4 Multi-Purpose Gear Oil SAE 140 SL24228 – 32 Fl. Oz. Hypoid Gear Oil w/ High-Temperature Properties https://a.co/6f4oG8o https://www.google.com/aclk?sa=l&ai=...ww8IsRA&adurl= Sent from my iPhone using Tapatalk |
07-23-2022, 11:18 AM | #37 |
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Re: Transmision oil
You know what it's like at room temperature, put it in the freezer overnight and see what it's like in the morning.
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07-23-2022, 04:13 PM | #38 |
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Re: Transmision oil
As I said before, Different lubes for different jobs! I don't believe a dofferential Needs the thick oil that a transmission needs. A lighter oil is fine. However, when you are stopping the gears from spinning for shifting, heavier oil is needed. In all cases, an oil that won't leak out is needed. If you have ever taken the front of an electric drill off and looked inside, you noticed that the grease have been slung around the outside of the case and doesn't seem to be doing much good. This is why I like JD Cornhead grease. This grease is "Thixotropic" ( their word, not mine!) think it means, although it's a grease, It flows. Slowly but it moves on its own. It doesn't lay up around the case and not get into the steering gears, which are constantly being relubed with doses of fresh lubricant. The stuff is thick enough that it won't leak out of seals etc.
Terry |
07-23-2022, 08:42 PM | #39 |
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Re: Transmision oil
Thanks to all replies.
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07-23-2022, 10:47 PM | #40 |
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Location: Along the Red River, Texas
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Re: Transmision oil
I just checked the TSC website. They have 80w-90w, and 85w-140w in stock from quarts to 5 gallon pales.
https://www.tractorsupply.com/tsc/se...0oil?orderBy=4 |
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